2013-06-04 17:32:35 +08:00
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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//
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//M*/
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2013-07-23 20:59:34 +08:00
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#ifndef __OPENCV_CUDAIMGPROC_HPP__
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#define __OPENCV_CUDAIMGPROC_HPP__
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2013-06-04 17:32:35 +08:00
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#ifndef __cplusplus
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2013-07-23 20:59:34 +08:00
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# error cudaimgproc.hpp header must be compiled as C++
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2013-06-04 17:32:35 +08:00
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#endif
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2013-07-23 18:12:04 +08:00
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#include "opencv2/core/cuda.hpp"
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2013-06-04 17:32:35 +08:00
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#include "opencv2/imgproc.hpp"
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2013-04-30 15:47:33 +08:00
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2014-11-20 21:42:06 +08:00
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/**
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@addtogroup cuda
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@{
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@defgroup cudaimgproc Image Processing
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@{
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@defgroup cudaimgproc_color Color space processing
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@defgroup cudaimgproc_hist Histogram Calculation
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@defgroup cudaimgproc_hough Hough Transform
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@defgroup cudaimgproc_feature Feature Detection
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@}
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@}
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*/
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2013-08-28 19:45:13 +08:00
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namespace cv { namespace cuda {
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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//! @addtogroup cudaimgproc
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//! @{
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2013-06-04 17:32:35 +08:00
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/////////////////////////// Color Processing ///////////////////////////
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2014-11-20 21:42:06 +08:00
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//! @addtogroup cudaimgproc_color
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//! @{
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/** @brief Converts an image from one color space to another.
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2014-11-21 16:28:14 +08:00
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@param src Source image with CV_8U , CV_16U , or CV_32F depth and 1, 3, or 4 channels.
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2014-11-20 21:42:06 +08:00
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@param dst Destination image.
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@param code Color space conversion code. For details, see cvtColor .
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@param dcn Number of channels in the destination image. If the parameter is 0, the number of the
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channels is derived automatically from src and the code .
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@param stream Stream for the asynchronous version.
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3-channel color spaces (like HSV, XYZ, and so on) can be stored in a 4-channel image for better
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performance.
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@sa cvtColor
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*/
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2013-04-29 22:01:57 +08:00
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CV_EXPORTS void cvtColor(InputArray src, OutputArray dst, int code, int dcn = 0, Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-12-26 23:39:40 +08:00
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enum DemosaicTypes
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2013-06-04 17:32:35 +08:00
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{
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2014-11-20 21:42:06 +08:00
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//! Bayer Demosaicing (Malvar, He, and Cutler)
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2013-06-04 17:32:35 +08:00
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COLOR_BayerBG2BGR_MHT = 256,
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COLOR_BayerGB2BGR_MHT = 257,
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COLOR_BayerRG2BGR_MHT = 258,
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COLOR_BayerGR2BGR_MHT = 259,
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COLOR_BayerBG2RGB_MHT = COLOR_BayerRG2BGR_MHT,
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COLOR_BayerGB2RGB_MHT = COLOR_BayerGR2BGR_MHT,
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COLOR_BayerRG2RGB_MHT = COLOR_BayerBG2BGR_MHT,
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COLOR_BayerGR2RGB_MHT = COLOR_BayerGB2BGR_MHT,
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COLOR_BayerBG2GRAY_MHT = 260,
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COLOR_BayerGB2GRAY_MHT = 261,
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COLOR_BayerRG2GRAY_MHT = 262,
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COLOR_BayerGR2GRAY_MHT = 263
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};
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2014-11-20 21:42:06 +08:00
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/** @brief Converts an image from Bayer pattern to RGB or grayscale.
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@param src Source image (8-bit or 16-bit single channel).
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@param dst Destination image.
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@param code Color space conversion code (see the description below).
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@param dcn Number of channels in the destination image. If the parameter is 0, the number of the
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channels is derived automatically from src and the code .
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@param stream Stream for the asynchronous version.
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The function can do the following transformations:
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- Demosaicing using bilinear interpolation
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2014-11-21 16:28:14 +08:00
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> - COLOR_BayerBG2GRAY , COLOR_BayerGB2GRAY , COLOR_BayerRG2GRAY , COLOR_BayerGR2GRAY
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> - COLOR_BayerBG2BGR , COLOR_BayerGB2BGR , COLOR_BayerRG2BGR , COLOR_BayerGR2BGR
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2014-11-20 21:42:06 +08:00
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- Demosaicing using Malvar-He-Cutler algorithm (@cite MHT2011)
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2014-11-21 16:28:14 +08:00
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> - COLOR_BayerBG2GRAY_MHT , COLOR_BayerGB2GRAY_MHT , COLOR_BayerRG2GRAY_MHT ,
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> COLOR_BayerGR2GRAY_MHT
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> - COLOR_BayerBG2BGR_MHT , COLOR_BayerGB2BGR_MHT , COLOR_BayerRG2BGR_MHT ,
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> COLOR_BayerGR2BGR_MHT
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2014-11-20 21:42:06 +08:00
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@sa cvtColor
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*/
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2013-04-29 22:01:57 +08:00
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CV_EXPORTS void demosaicing(InputArray src, OutputArray dst, int code, int dcn = -1, Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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/** @brief Exchanges the color channels of an image in-place.
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2014-11-21 16:28:14 +08:00
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@param image Source image. Supports only CV_8UC4 type.
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2014-11-20 21:42:06 +08:00
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@param dstOrder Integer array describing how channel values are permutated. The n-th entry of the
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array contains the number of the channel that is stored in the n-th channel of the output image.
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E.g. Given an RGBA image, aDstOrder = [3,2,1,0] converts this to ABGR channel order.
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@param stream Stream for the asynchronous version.
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The methods support arbitrary permutations of the original channels, including replication.
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*/
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2013-04-29 22:01:57 +08:00
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CV_EXPORTS void swapChannels(InputOutputArray image, const int dstOrder[4], Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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/** @brief Routines for correcting image color gamma.
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@param src Source image (3- or 4-channel 8 bit).
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@param dst Destination image.
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@param forward true for forward gamma correction or false for inverse gamma correction.
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@param stream Stream for the asynchronous version.
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*/
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2013-04-29 22:01:57 +08:00
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CV_EXPORTS void gammaCorrection(InputArray src, OutputArray dst, bool forward = true, Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-12-26 23:39:40 +08:00
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enum AlphaCompTypes { ALPHA_OVER, ALPHA_IN, ALPHA_OUT, ALPHA_ATOP, ALPHA_XOR, ALPHA_PLUS, ALPHA_OVER_PREMUL, ALPHA_IN_PREMUL, ALPHA_OUT_PREMUL,
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2013-06-04 17:32:35 +08:00
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ALPHA_ATOP_PREMUL, ALPHA_XOR_PREMUL, ALPHA_PLUS_PREMUL, ALPHA_PREMUL};
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2014-11-20 21:42:06 +08:00
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/** @brief Composites two images using alpha opacity values contained in each image.
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2014-11-21 16:28:14 +08:00
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@param img1 First image. Supports CV_8UC4 , CV_16UC4 , CV_32SC4 and CV_32FC4 types.
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2014-11-20 21:42:06 +08:00
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@param img2 Second image. Must have the same size and the same type as img1 .
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@param dst Destination image.
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2014-11-21 16:28:14 +08:00
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@param alpha_op Flag specifying the alpha-blending operation:
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- **ALPHA_OVER**
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- **ALPHA_IN**
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- **ALPHA_OUT**
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- **ALPHA_ATOP**
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- **ALPHA_XOR**
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- **ALPHA_PLUS**
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- **ALPHA_OVER_PREMUL**
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- **ALPHA_IN_PREMUL**
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- **ALPHA_OUT_PREMUL**
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- **ALPHA_ATOP_PREMUL**
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- **ALPHA_XOR_PREMUL**
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- **ALPHA_PLUS_PREMUL**
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- **ALPHA_PREMUL**
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2014-11-20 21:42:06 +08:00
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@param stream Stream for the asynchronous version.
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@note
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- An example demonstrating the use of alphaComp can be found at
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2014-11-21 16:28:14 +08:00
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opencv_source_code/samples/gpu/alpha_comp.cpp
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2014-11-20 21:42:06 +08:00
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*/
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2013-04-29 22:01:57 +08:00
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CV_EXPORTS void alphaComp(InputArray img1, InputArray img2, OutputArray dst, int alpha_op, Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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//! @} cudaimgproc_color
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2013-06-04 17:32:35 +08:00
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////////////////////////////// Histogram ///////////////////////////////
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2014-11-20 21:42:06 +08:00
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//! @addtogroup cudaimgproc_hist
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//! @{
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/** @brief Calculates histogram for one channel 8-bit image.
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2014-11-21 16:28:14 +08:00
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@param src Source image with CV_8UC1 type.
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@param hist Destination histogram with one row, 256 columns, and the CV_32SC1 type.
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2014-11-20 21:42:06 +08:00
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@param stream Stream for the asynchronous version.
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*/
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2013-04-30 14:59:13 +08:00
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CV_EXPORTS void calcHist(InputArray src, OutputArray hist, Stream& stream = Stream::Null());
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2014-11-20 21:42:06 +08:00
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/** @brief Equalizes the histogram of a grayscale image.
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2014-11-21 16:28:14 +08:00
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@param src Source image with CV_8UC1 type.
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2014-11-20 21:42:06 +08:00
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@param dst Destination image.
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@param stream Stream for the asynchronous version.
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@sa equalizeHist
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*/
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2014-12-30 20:36:58 +08:00
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CV_EXPORTS void equalizeHist(InputArray src, OutputArray dst, Stream& stream = Stream::Null());
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2013-04-30 14:59:13 +08:00
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2014-11-20 21:42:06 +08:00
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/** @brief Base class for Contrast Limited Adaptive Histogram Equalization. :
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*/
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2013-04-30 14:59:13 +08:00
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class CV_EXPORTS CLAHE : public cv::CLAHE
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{
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public:
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using cv::CLAHE::apply;
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2014-11-20 21:42:06 +08:00
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/** @brief Equalizes the histogram of a grayscale image using Contrast Limited Adaptive Histogram Equalization.
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2014-11-21 16:28:14 +08:00
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@param src Source image with CV_8UC1 type.
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2014-11-20 21:42:06 +08:00
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@param dst Destination image.
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@param stream Stream for the asynchronous version.
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*/
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2013-04-30 14:59:13 +08:00
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virtual void apply(InputArray src, OutputArray dst, Stream& stream) = 0;
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};
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2014-11-20 21:42:06 +08:00
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/** @brief Creates implementation for cuda::CLAHE .
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@param clipLimit Threshold for contrast limiting.
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@param tileGridSize Size of grid for histogram equalization. Input image will be divided into
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equally sized rectangular tiles. tileGridSize defines the number of tiles in row and column.
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*/
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2013-08-28 19:45:13 +08:00
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CV_EXPORTS Ptr<cuda::CLAHE> createCLAHE(double clipLimit = 40.0, Size tileGridSize = Size(8, 8));
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2013-04-30 14:59:13 +08:00
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2014-11-20 21:42:06 +08:00
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/** @brief Computes levels with even distribution.
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2014-11-21 16:28:14 +08:00
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@param levels Destination array. levels has 1 row, nLevels columns, and the CV_32SC1 type.
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2014-11-20 21:42:06 +08:00
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@param nLevels Number of computed levels. nLevels must be at least 2.
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@param lowerLevel Lower boundary value of the lowest level.
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@param upperLevel Upper boundary value of the greatest level.
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2014-12-30 20:37:14 +08:00
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@param stream Stream for the asynchronous version.
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2014-11-20 21:42:06 +08:00
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*/
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2014-12-30 20:37:14 +08:00
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CV_EXPORTS void evenLevels(OutputArray levels, int nLevels, int lowerLevel, int upperLevel, Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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/** @brief Calculates a histogram with evenly distributed bins.
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2014-11-21 16:28:14 +08:00
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@param src Source image. CV_8U, CV_16U, or CV_16S depth and 1 or 4 channels are supported. For
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2014-11-20 21:42:06 +08:00
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a four-channel image, all channels are processed separately.
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2014-11-21 16:28:14 +08:00
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@param hist Destination histogram with one row, histSize columns, and the CV_32S type.
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2014-11-20 21:42:06 +08:00
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@param histSize Size of the histogram.
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@param lowerLevel Lower boundary of lowest-level bin.
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@param upperLevel Upper boundary of highest-level bin.
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@param stream Stream for the asynchronous version.
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*/
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2014-12-30 20:36:58 +08:00
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CV_EXPORTS void histEven(InputArray src, OutputArray hist, int histSize, int lowerLevel, int upperLevel, Stream& stream = Stream::Null());
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2014-11-20 21:42:06 +08:00
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/** @overload */
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2014-12-30 20:36:58 +08:00
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CV_EXPORTS void histEven(InputArray src, GpuMat hist[4], int histSize[4], int lowerLevel[4], int upperLevel[4], Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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/** @brief Calculates a histogram with bins determined by the levels array.
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2014-11-21 16:28:14 +08:00
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@param src Source image. CV_8U , CV_16U , or CV_16S depth and 1 or 4 channels are supported.
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2014-11-20 21:42:06 +08:00
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For a four-channel image, all channels are processed separately.
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2014-11-21 16:28:14 +08:00
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@param hist Destination histogram with one row, (levels.cols-1) columns, and the CV_32SC1 type.
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2014-11-20 21:42:06 +08:00
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@param levels Number of levels in the histogram.
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@param stream Stream for the asynchronous version.
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*/
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2014-12-30 20:36:58 +08:00
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CV_EXPORTS void histRange(InputArray src, OutputArray hist, InputArray levels, Stream& stream = Stream::Null());
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2014-11-20 21:42:06 +08:00
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/** @overload */
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2014-12-30 20:36:58 +08:00
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CV_EXPORTS void histRange(InputArray src, GpuMat hist[4], const GpuMat levels[4], Stream& stream = Stream::Null());
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2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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//! @} cudaimgproc_hist
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2013-06-04 17:32:35 +08:00
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//////////////////////////////// Canny ////////////////////////////////
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2014-11-20 21:42:06 +08:00
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/** @brief Base class for Canny Edge Detector. :
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*/
|
2013-04-30 15:47:33 +08:00
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class CV_EXPORTS CannyEdgeDetector : public Algorithm
|
2013-06-04 17:32:35 +08:00
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{
|
2013-04-30 15:47:33 +08:00
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public:
|
2014-11-20 21:42:06 +08:00
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/** @brief Finds edges in an image using the @cite Canny86 algorithm.
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@param image Single-channel 8-bit input image.
|
2014-12-30 20:37:14 +08:00
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@param edges Output edge map. It has the same size and type as image.
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@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
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|
*/
|
2014-12-30 20:37:14 +08:00
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virtual void detect(InputArray image, OutputArray edges, Stream& stream = Stream::Null()) = 0;
|
2014-11-20 21:42:06 +08:00
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/** @overload
|
2014-11-21 16:28:14 +08:00
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@param dx First derivative of image in the vertical direction. Support only CV_32S type.
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@param dy First derivative of image in the horizontal direction. Support only CV_32S type.
|
2014-12-30 20:37:14 +08:00
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@param edges Output edge map. It has the same size and type as image.
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@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
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|
|
*/
|
2014-12-30 20:37:14 +08:00
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virtual void detect(InputArray dx, InputArray dy, OutputArray edges, Stream& stream = Stream::Null()) = 0;
|
2013-06-04 17:32:35 +08:00
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2013-04-30 15:47:33 +08:00
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virtual void setLowThreshold(double low_thresh) = 0;
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virtual double getLowThreshold() const = 0;
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virtual void setHighThreshold(double high_thresh) = 0;
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virtual double getHighThreshold() const = 0;
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virtual void setAppertureSize(int apperture_size) = 0;
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virtual int getAppertureSize() const = 0;
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virtual void setL2Gradient(bool L2gradient) = 0;
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virtual bool getL2Gradient() const = 0;
|
2013-06-04 17:32:35 +08:00
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|
};
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|
2014-11-20 21:42:06 +08:00
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/** @brief Creates implementation for cuda::CannyEdgeDetector .
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|
2014-11-21 16:28:14 +08:00
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@param low_thresh First threshold for the hysteresis procedure.
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@param high_thresh Second threshold for the hysteresis procedure.
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@param apperture_size Aperture size for the Sobel operator.
|
2014-11-20 21:42:06 +08:00
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@param L2gradient Flag indicating whether a more accurate \f$L_2\f$ norm
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\f$=\sqrt{(dI/dx)^2 + (dI/dy)^2}\f$ should be used to compute the image gradient magnitude (
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|
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L2gradient=true ), or a faster default \f$L_1\f$ norm \f$=|dI/dx|+|dI/dy|\f$ is enough ( L2gradient=false
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|
).
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|
*/
|
2013-04-30 15:47:33 +08:00
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|
|
CV_EXPORTS Ptr<CannyEdgeDetector> createCannyEdgeDetector(double low_thresh, double high_thresh, int apperture_size = 3, bool L2gradient = false);
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|
2013-06-04 17:32:35 +08:00
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/////////////////////////// Hough Transform ////////////////////////////
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|
2013-04-30 16:51:33 +08:00
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|
//////////////////////////////////////
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// HoughLines
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|
2014-11-20 21:42:06 +08:00
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//! @addtogroup cudaimgproc_hough
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|
//! @{
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/** @brief Base class for lines detector algorithm. :
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*/
|
2013-04-30 16:51:33 +08:00
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|
|
class CV_EXPORTS HoughLinesDetector : public Algorithm
|
2013-06-04 17:32:35 +08:00
|
|
|
{
|
2013-04-30 16:51:33 +08:00
|
|
|
public:
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Finds lines in a binary image using the classical Hough transform.
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|
@param src 8-bit, single-channel binary source image.
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@param lines Output vector of lines. Each line is represented by a two-element vector
|
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|
|
\f$(\rho, \theta)\f$ . \f$\rho\f$ is the distance from the coordinate origin \f$(0,0)\f$ (top-left corner of
|
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|
|
the image). \f$\theta\f$ is the line rotation angle in radians (
|
|
|
|
\f$0 \sim \textrm{vertical line}, \pi/2 \sim \textrm{horizontal line}\f$ ).
|
2014-12-30 20:37:14 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
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|
|
@sa HoughLines
|
|
|
|
*/
|
2014-12-30 20:37:14 +08:00
|
|
|
virtual void detect(InputArray src, OutputArray lines, Stream& stream = Stream::Null()) = 0;
|
2014-11-20 21:42:06 +08:00
|
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|
|
/** @brief Downloads results from cuda::HoughLinesDetector::detect to host memory.
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|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param d_lines Result of cuda::HoughLinesDetector::detect .
|
|
|
|
@param h_lines Output host array.
|
|
|
|
@param h_votes Optional output array for line's votes.
|
2014-12-30 20:37:14 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
|
|
*/
|
2014-12-30 20:37:14 +08:00
|
|
|
virtual void downloadResults(InputArray d_lines, OutputArray h_lines, OutputArray h_votes = noArray(), Stream& stream = Stream::Null()) = 0;
|
2013-04-30 16:51:33 +08:00
|
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|
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|
|
virtual void setRho(float rho) = 0;
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|
|
virtual float getRho() const = 0;
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|
|
virtual void setTheta(float theta) = 0;
|
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|
|
virtual float getTheta() const = 0;
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|
|
virtual void setThreshold(int threshold) = 0;
|
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|
|
virtual int getThreshold() const = 0;
|
|
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|
|
virtual void setDoSort(bool doSort) = 0;
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|
|
virtual bool getDoSort() const = 0;
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|
|
virtual void setMaxLines(int maxLines) = 0;
|
|
|
|
virtual int getMaxLines() const = 0;
|
2013-06-04 17:32:35 +08:00
|
|
|
};
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for cuda::HoughLinesDetector .
|
|
|
|
|
|
|
|
@param rho Distance resolution of the accumulator in pixels.
|
|
|
|
@param theta Angle resolution of the accumulator in radians.
|
|
|
|
@param threshold Accumulator threshold parameter. Only those lines are returned that get enough
|
|
|
|
votes ( \f$>\texttt{threshold}\f$ ).
|
|
|
|
@param doSort Performs lines sort by votes.
|
|
|
|
@param maxLines Maximum number of output lines.
|
|
|
|
*/
|
2013-04-30 16:51:33 +08:00
|
|
|
CV_EXPORTS Ptr<HoughLinesDetector> createHoughLinesDetector(float rho, float theta, int threshold, bool doSort = false, int maxLines = 4096);
|
|
|
|
|
|
|
|
|
|
|
|
//////////////////////////////////////
|
|
|
|
// HoughLinesP
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Base class for line segments detector algorithm. :
|
|
|
|
*/
|
2013-04-30 16:51:33 +08:00
|
|
|
class CV_EXPORTS HoughSegmentDetector : public Algorithm
|
|
|
|
{
|
|
|
|
public:
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Finds line segments in a binary image using the probabilistic Hough transform.
|
|
|
|
|
|
|
|
@param src 8-bit, single-channel binary source image.
|
|
|
|
@param lines Output vector of lines. Each line is represented by a 4-element vector
|
|
|
|
\f$(x_1, y_1, x_2, y_2)\f$ , where \f$(x_1,y_1)\f$ and \f$(x_2, y_2)\f$ are the ending points of each detected
|
|
|
|
line segment.
|
2014-12-30 20:37:14 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
|
|
|
|
|
|
@sa HoughLinesP
|
|
|
|
*/
|
2014-12-30 20:37:14 +08:00
|
|
|
virtual void detect(InputArray src, OutputArray lines, Stream& stream = Stream::Null()) = 0;
|
2013-04-30 16:51:33 +08:00
|
|
|
|
|
|
|
virtual void setRho(float rho) = 0;
|
|
|
|
virtual float getRho() const = 0;
|
|
|
|
|
|
|
|
virtual void setTheta(float theta) = 0;
|
|
|
|
virtual float getTheta() const = 0;
|
|
|
|
|
|
|
|
virtual void setMinLineLength(int minLineLength) = 0;
|
|
|
|
virtual int getMinLineLength() const = 0;
|
|
|
|
|
|
|
|
virtual void setMaxLineGap(int maxLineGap) = 0;
|
|
|
|
virtual int getMaxLineGap() const = 0;
|
|
|
|
|
|
|
|
virtual void setMaxLines(int maxLines) = 0;
|
|
|
|
virtual int getMaxLines() const = 0;
|
|
|
|
};
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for cuda::HoughSegmentDetector .
|
|
|
|
|
|
|
|
@param rho Distance resolution of the accumulator in pixels.
|
|
|
|
@param theta Angle resolution of the accumulator in radians.
|
|
|
|
@param minLineLength Minimum line length. Line segments shorter than that are rejected.
|
|
|
|
@param maxLineGap Maximum allowed gap between points on the same line to link them.
|
|
|
|
@param maxLines Maximum number of output lines.
|
|
|
|
*/
|
2013-04-30 16:51:33 +08:00
|
|
|
CV_EXPORTS Ptr<HoughSegmentDetector> createHoughSegmentDetector(float rho, float theta, int minLineLength, int maxLineGap, int maxLines = 4096);
|
|
|
|
|
|
|
|
//////////////////////////////////////
|
|
|
|
// HoughCircles
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Base class for circles detector algorithm. :
|
|
|
|
*/
|
2013-04-30 17:33:44 +08:00
|
|
|
class CV_EXPORTS HoughCirclesDetector : public Algorithm
|
2013-06-04 17:32:35 +08:00
|
|
|
{
|
2013-04-30 17:33:44 +08:00
|
|
|
public:
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Finds circles in a grayscale image using the Hough transform.
|
|
|
|
|
|
|
|
@param src 8-bit, single-channel grayscale input image.
|
|
|
|
@param circles Output vector of found circles. Each vector is encoded as a 3-element
|
|
|
|
floating-point vector \f$(x, y, radius)\f$ .
|
2014-12-30 20:37:14 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
|
|
|
|
|
|
@sa HoughCircles
|
|
|
|
*/
|
2014-12-30 20:37:14 +08:00
|
|
|
virtual void detect(InputArray src, OutputArray circles, Stream& stream = Stream::Null()) = 0;
|
2013-04-30 17:33:44 +08:00
|
|
|
|
|
|
|
virtual void setDp(float dp) = 0;
|
|
|
|
virtual float getDp() const = 0;
|
|
|
|
|
|
|
|
virtual void setMinDist(float minDist) = 0;
|
|
|
|
virtual float getMinDist() const = 0;
|
|
|
|
|
|
|
|
virtual void setCannyThreshold(int cannyThreshold) = 0;
|
|
|
|
virtual int getCannyThreshold() const = 0;
|
|
|
|
|
|
|
|
virtual void setVotesThreshold(int votesThreshold) = 0;
|
|
|
|
virtual int getVotesThreshold() const = 0;
|
|
|
|
|
|
|
|
virtual void setMinRadius(int minRadius) = 0;
|
|
|
|
virtual int getMinRadius() const = 0;
|
|
|
|
|
|
|
|
virtual void setMaxRadius(int maxRadius) = 0;
|
|
|
|
virtual int getMaxRadius() const = 0;
|
|
|
|
|
|
|
|
virtual void setMaxCircles(int maxCircles) = 0;
|
|
|
|
virtual int getMaxCircles() const = 0;
|
2013-06-04 17:32:35 +08:00
|
|
|
};
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for cuda::HoughCirclesDetector .
|
|
|
|
|
|
|
|
@param dp Inverse ratio of the accumulator resolution to the image resolution. For example, if
|
|
|
|
dp=1 , the accumulator has the same resolution as the input image. If dp=2 , the accumulator has
|
|
|
|
half as big width and height.
|
|
|
|
@param minDist Minimum distance between the centers of the detected circles. If the parameter is
|
|
|
|
too small, multiple neighbor circles may be falsely detected in addition to a true one. If it is
|
|
|
|
too large, some circles may be missed.
|
|
|
|
@param cannyThreshold The higher threshold of the two passed to Canny edge detector (the lower one
|
|
|
|
is twice smaller).
|
|
|
|
@param votesThreshold The accumulator threshold for the circle centers at the detection stage. The
|
|
|
|
smaller it is, the more false circles may be detected.
|
|
|
|
@param minRadius Minimum circle radius.
|
|
|
|
@param maxRadius Maximum circle radius.
|
|
|
|
@param maxCircles Maximum number of output circles.
|
|
|
|
*/
|
2013-04-30 17:33:44 +08:00
|
|
|
CV_EXPORTS Ptr<HoughCirclesDetector> createHoughCirclesDetector(float dp, float minDist, int cannyThreshold, int votesThreshold, int minRadius, int maxRadius, int maxCircles = 4096);
|
|
|
|
|
2013-04-30 16:51:33 +08:00
|
|
|
//////////////////////////////////////
|
|
|
|
// GeneralizedHough
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for generalized hough transform from @cite Ballard1981 .
|
|
|
|
*/
|
2013-06-25 21:39:05 +08:00
|
|
|
CV_EXPORTS Ptr<GeneralizedHoughBallard> createGeneralizedHoughBallard();
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for generalized hough transform from @cite Guil1999 .
|
|
|
|
*/
|
2013-06-25 21:39:05 +08:00
|
|
|
CV_EXPORTS Ptr<GeneralizedHoughGuil> createGeneralizedHoughGuil();
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
//! @} cudaimgproc_hough
|
|
|
|
|
2013-06-04 17:32:35 +08:00
|
|
|
////////////////////////// Corners Detection ///////////////////////////
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
//! @addtogroup cudaimgproc_feature
|
|
|
|
//! @{
|
|
|
|
|
|
|
|
/** @brief Base class for Cornerness Criteria computation. :
|
|
|
|
*/
|
2013-04-30 19:00:25 +08:00
|
|
|
class CV_EXPORTS CornernessCriteria : public Algorithm
|
|
|
|
{
|
|
|
|
public:
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Computes the cornerness criteria at each image pixel.
|
|
|
|
|
|
|
|
@param src Source image.
|
|
|
|
@param dst Destination image containing cornerness values. It will have the same size as src and
|
2014-11-21 16:28:14 +08:00
|
|
|
CV_32FC1 type.
|
2014-11-20 21:42:06 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
|
|
|
*/
|
2013-04-30 19:00:25 +08:00
|
|
|
virtual void compute(InputArray src, OutputArray dst, Stream& stream = Stream::Null()) = 0;
|
|
|
|
};
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for Harris cornerness criteria.
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param srcType Input source type. Only CV_8UC1 and CV_32FC1 are supported for now.
|
2014-11-20 21:42:06 +08:00
|
|
|
@param blockSize Neighborhood size.
|
|
|
|
@param ksize Aperture parameter for the Sobel operator.
|
|
|
|
@param k Harris detector free parameter.
|
2014-11-21 16:28:14 +08:00
|
|
|
@param borderType Pixel extrapolation method. Only BORDER_REFLECT101 and BORDER_REPLICATE are
|
2014-11-20 21:42:06 +08:00
|
|
|
supported for now.
|
|
|
|
|
|
|
|
@sa cornerHarris
|
|
|
|
*/
|
2013-04-30 19:00:25 +08:00
|
|
|
CV_EXPORTS Ptr<CornernessCriteria> createHarrisCorner(int srcType, int blockSize, int ksize, double k, int borderType = BORDER_REFLECT101);
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for the minimum eigen value of a 2x2 derivative covariation matrix (the
|
|
|
|
cornerness criteria).
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param srcType Input source type. Only CV_8UC1 and CV_32FC1 are supported for now.
|
2014-11-20 21:42:06 +08:00
|
|
|
@param blockSize Neighborhood size.
|
|
|
|
@param ksize Aperture parameter for the Sobel operator.
|
2014-11-21 16:28:14 +08:00
|
|
|
@param borderType Pixel extrapolation method. Only BORDER_REFLECT101 and BORDER_REPLICATE are
|
2014-11-20 21:42:06 +08:00
|
|
|
supported for now.
|
|
|
|
|
|
|
|
@sa cornerMinEigenVal
|
|
|
|
*/
|
2013-04-30 19:00:25 +08:00
|
|
|
CV_EXPORTS Ptr<CornernessCriteria> createMinEigenValCorner(int srcType, int blockSize, int ksize, int borderType = BORDER_REFLECT101);
|
|
|
|
|
2013-04-30 20:07:56 +08:00
|
|
|
////////////////////////// Corners Detection ///////////////////////////
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Base class for Corners Detector. :
|
|
|
|
*/
|
2013-04-30 20:07:56 +08:00
|
|
|
class CV_EXPORTS CornersDetector : public Algorithm
|
2013-06-04 17:32:35 +08:00
|
|
|
{
|
|
|
|
public:
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Determines strong corners on an image.
|
|
|
|
|
|
|
|
@param image Input 8-bit or floating-point 32-bit, single-channel image.
|
2014-11-21 16:28:14 +08:00
|
|
|
@param corners Output vector of detected corners (1-row matrix with CV_32FC2 type with corners
|
2014-11-20 21:42:06 +08:00
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positions).
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@param mask Optional region of interest. If the image is not empty (it needs to have the type
|
2014-11-21 16:28:14 +08:00
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CV_8UC1 and the same size as image ), it specifies the region in which the corners are detected.
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2014-12-30 20:37:14 +08:00
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@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
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*/
|
2014-12-30 20:37:14 +08:00
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virtual void detect(InputArray image, OutputArray corners, InputArray mask = noArray(), Stream& stream = Stream::Null()) = 0;
|
2013-06-04 17:32:35 +08:00
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};
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2014-11-20 21:42:06 +08:00
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/** @brief Creates implementation for cuda::CornersDetector .
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2014-11-21 16:28:14 +08:00
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@param srcType Input source type. Only CV_8UC1 and CV_32FC1 are supported for now.
|
2014-11-20 21:42:06 +08:00
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@param maxCorners Maximum number of corners to return. If there are more corners than are found,
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the strongest of them is returned.
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@param qualityLevel Parameter characterizing the minimal accepted quality of image corners. The
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parameter value is multiplied by the best corner quality measure, which is the minimal eigenvalue
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(see cornerMinEigenVal ) or the Harris function response (see cornerHarris ). The corners with the
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quality measure less than the product are rejected. For example, if the best corner has the
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quality measure = 1500, and the qualityLevel=0.01 , then all the corners with the quality measure
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less than 15 are rejected.
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@param minDistance Minimum possible Euclidean distance between the returned corners.
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@param blockSize Size of an average block for computing a derivative covariation matrix over each
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pixel neighborhood. See cornerEigenValsAndVecs .
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@param useHarrisDetector Parameter indicating whether to use a Harris detector (see cornerHarris)
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or cornerMinEigenVal.
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@param harrisK Free parameter of the Harris detector.
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*/
|
2013-04-30 20:07:56 +08:00
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CV_EXPORTS Ptr<CornersDetector> createGoodFeaturesToTrackDetector(int srcType, int maxCorners = 1000, double qualityLevel = 0.01, double minDistance = 0.0,
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int blockSize = 3, bool useHarrisDetector = false, double harrisK = 0.04);
|
2013-06-04 17:32:35 +08:00
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2014-11-20 21:42:06 +08:00
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//! @} cudaimgproc_feature
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2016-01-30 09:05:40 +08:00
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2013-06-04 17:32:35 +08:00
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///////////////////////////// Mean Shift //////////////////////////////
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2014-11-20 21:42:06 +08:00
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/** @brief Performs mean-shift filtering for each point of the source image.
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|
2014-11-21 16:28:14 +08:00
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@param src Source image. Only CV_8UC4 images are supported for now.
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2014-11-20 21:42:06 +08:00
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@param dst Destination image containing the color of mapped points. It has the same size and type
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as src .
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@param sp Spatial window radius.
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@param sr Color window radius.
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@param criteria Termination criteria. See TermCriteria.
|
2014-12-30 20:37:14 +08:00
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@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
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It maps each point of the source image into another point. As a result, you have a new color and new
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|
position of each point.
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|
*/
|
2013-04-30 20:29:23 +08:00
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CV_EXPORTS void meanShiftFiltering(InputArray src, OutputArray dst, int sp, int sr,
|
2013-06-04 17:32:35 +08:00
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|
TermCriteria criteria = TermCriteria(TermCriteria::MAX_ITER + TermCriteria::EPS, 5, 1),
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|
Stream& stream = Stream::Null());
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|
2014-11-20 21:42:06 +08:00
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|
/** @brief Performs a mean-shift procedure and stores information about processed points (their colors and
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|
positions) in two images.
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|
2014-11-21 16:28:14 +08:00
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|
@param src Source image. Only CV_8UC4 images are supported for now.
|
2014-11-20 21:42:06 +08:00
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|
@param dstr Destination image containing the color of mapped points. The size and type is the same
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|
as src .
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|
@param dstsp Destination image containing the position of mapped points. The size is the same as
|
2014-11-21 16:28:14 +08:00
|
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|
src size. The type is CV_16SC2 .
|
2014-11-20 21:42:06 +08:00
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|
@param sp Spatial window radius.
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|
@param sr Color window radius.
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|
@param criteria Termination criteria. See TermCriteria.
|
2014-12-30 20:37:14 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
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|
|
|
|
@sa cuda::meanShiftFiltering
|
|
|
|
*/
|
2013-04-30 20:29:23 +08:00
|
|
|
CV_EXPORTS void meanShiftProc(InputArray src, OutputArray dstr, OutputArray dstsp, int sp, int sr,
|
2013-06-04 17:32:35 +08:00
|
|
|
TermCriteria criteria = TermCriteria(TermCriteria::MAX_ITER + TermCriteria::EPS, 5, 1),
|
|
|
|
Stream& stream = Stream::Null());
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Performs a mean-shift segmentation of the source image and eliminates small segments.
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param src Source image. Only CV_8UC4 images are supported for now.
|
2014-11-20 21:42:06 +08:00
|
|
|
@param dst Segmented image with the same size and type as src (host memory).
|
|
|
|
@param sp Spatial window radius.
|
|
|
|
@param sr Color window radius.
|
|
|
|
@param minsize Minimum segment size. Smaller segments are merged.
|
|
|
|
@param criteria Termination criteria. See TermCriteria.
|
2014-12-30 20:37:14 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
2014-11-20 21:42:06 +08:00
|
|
|
*/
|
2013-04-30 20:29:23 +08:00
|
|
|
CV_EXPORTS void meanShiftSegmentation(InputArray src, OutputArray dst, int sp, int sr, int minsize,
|
2014-12-30 20:37:14 +08:00
|
|
|
TermCriteria criteria = TermCriteria(TermCriteria::MAX_ITER + TermCriteria::EPS, 5, 1),
|
|
|
|
Stream& stream = Stream::Null());
|
2013-06-04 17:32:35 +08:00
|
|
|
|
|
|
|
/////////////////////////// Match Template ////////////////////////////
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Base class for Template Matching. :
|
|
|
|
*/
|
2013-04-30 21:27:06 +08:00
|
|
|
class CV_EXPORTS TemplateMatching : public Algorithm
|
2013-06-04 17:32:35 +08:00
|
|
|
{
|
2013-04-30 21:27:06 +08:00
|
|
|
public:
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Computes a proximity map for a raster template and an image where the template is searched for.
|
|
|
|
|
|
|
|
@param image Source image.
|
|
|
|
@param templ Template image with the size and type the same as image .
|
2014-11-21 16:28:14 +08:00
|
|
|
@param result Map containing comparison results ( CV_32FC1 ). If image is *W x H* and templ is *w
|
2014-11-20 21:42:06 +08:00
|
|
|
x h*, then result must be *W-w+1 x H-h+1*.
|
|
|
|
@param stream Stream for the asynchronous version.
|
|
|
|
*/
|
2013-04-30 21:27:06 +08:00
|
|
|
virtual void match(InputArray image, InputArray templ, OutputArray result, Stream& stream = Stream::Null()) = 0;
|
2013-06-04 17:32:35 +08:00
|
|
|
};
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Creates implementation for cuda::TemplateMatching .
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param srcType Input source type. CV_32F and CV_8U depth images (1..4 channels) are supported
|
2014-11-20 21:42:06 +08:00
|
|
|
for now.
|
|
|
|
@param method Specifies the way to compare the template with the image.
|
2014-11-21 16:28:14 +08:00
|
|
|
@param user_block_size You can use field user_block_size to set specific block size. If you
|
2014-11-20 21:42:06 +08:00
|
|
|
leave its default value Size(0,0) then automatic estimation of block size will be used (which is
|
2014-11-21 16:28:14 +08:00
|
|
|
optimized for speed). By varying user_block_size you can reduce memory requirements at the cost
|
2014-11-20 21:42:06 +08:00
|
|
|
of speed.
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
The following methods are supported for the CV_8U depth images for now:
|
2014-11-20 21:42:06 +08:00
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
- CV_TM_SQDIFF
|
|
|
|
- CV_TM_SQDIFF_NORMED
|
|
|
|
- CV_TM_CCORR
|
|
|
|
- CV_TM_CCORR_NORMED
|
|
|
|
- CV_TM_CCOEFF
|
|
|
|
- CV_TM_CCOEFF_NORMED
|
2014-11-20 21:42:06 +08:00
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
The following methods are supported for the CV_32F images for now:
|
2014-11-20 21:42:06 +08:00
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
- CV_TM_SQDIFF
|
|
|
|
- CV_TM_CCORR
|
2014-11-20 21:42:06 +08:00
|
|
|
|
|
|
|
@sa matchTemplate
|
|
|
|
*/
|
2013-04-30 21:27:06 +08:00
|
|
|
CV_EXPORTS Ptr<TemplateMatching> createTemplateMatching(int srcType, int method, Size user_block_size = Size());
|
2013-06-04 17:32:35 +08:00
|
|
|
|
|
|
|
////////////////////////// Bilateral Filter ///////////////////////////
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Performs bilateral filtering of passed image
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param src Source image. Supports only (channles != 2 && depth() != CV_8S && depth() != CV_32S
|
|
|
|
&& depth() != CV_64F).
|
2014-11-20 21:42:06 +08:00
|
|
|
@param dst Destination imagwe.
|
2014-11-21 16:28:14 +08:00
|
|
|
@param kernel_size Kernel window size.
|
|
|
|
@param sigma_color Filter sigma in the color space.
|
|
|
|
@param sigma_spatial Filter sigma in the coordinate space.
|
|
|
|
@param borderMode Border type. See borderInterpolate for details. BORDER_REFLECT101 ,
|
|
|
|
BORDER_REPLICATE , BORDER_CONSTANT , BORDER_REFLECT and BORDER_WRAP are supported for now.
|
2014-11-20 21:42:06 +08:00
|
|
|
@param stream Stream for the asynchronous version.
|
|
|
|
|
|
|
|
@sa bilateralFilter
|
|
|
|
*/
|
2013-05-06 14:58:09 +08:00
|
|
|
CV_EXPORTS void bilateralFilter(InputArray src, OutputArray dst, int kernel_size, float sigma_color, float sigma_spatial,
|
2013-06-04 17:32:35 +08:00
|
|
|
int borderMode = BORDER_DEFAULT, Stream& stream = Stream::Null());
|
|
|
|
|
|
|
|
///////////////////////////// Blending ////////////////////////////////
|
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
/** @brief Performs linear blending of two images.
|
|
|
|
|
2014-11-21 16:28:14 +08:00
|
|
|
@param img1 First image. Supports only CV_8U and CV_32F depth.
|
2014-11-20 21:42:06 +08:00
|
|
|
@param img2 Second image. Must have the same size and the same type as img1 .
|
2014-11-21 16:28:14 +08:00
|
|
|
@param weights1 Weights for first image. Must have tha same size as img1 . Supports only CV_32F
|
2014-11-20 21:42:06 +08:00
|
|
|
type.
|
2014-11-21 16:28:14 +08:00
|
|
|
@param weights2 Weights for second image. Must have tha same size as img2 . Supports only CV_32F
|
2014-11-20 21:42:06 +08:00
|
|
|
type.
|
|
|
|
@param result Destination image.
|
|
|
|
@param stream Stream for the asynchronous version.
|
|
|
|
*/
|
2013-05-06 14:58:09 +08:00
|
|
|
CV_EXPORTS void blendLinear(InputArray img1, InputArray img2, InputArray weights1, InputArray weights2,
|
|
|
|
OutputArray result, Stream& stream = Stream::Null());
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2014-11-20 21:42:06 +08:00
|
|
|
//! @}
|
|
|
|
|
2013-08-28 19:45:13 +08:00
|
|
|
}} // namespace cv { namespace cuda {
|
2013-06-04 17:32:35 +08:00
|
|
|
|
2013-07-23 20:59:34 +08:00
|
|
|
#endif /* __OPENCV_CUDAIMGPROC_HPP__ */
|