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217 lines
9.0 KiB
C++
217 lines
9.0 KiB
C++
/*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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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef OPENCV_CUDAWARPING_HPP
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#define OPENCV_CUDAWARPING_HPP
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#ifndef __cplusplus
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# error cudawarping.hpp header must be compiled as C++
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#endif
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#include "opencv2/core/cuda.hpp"
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#include "opencv2/imgproc.hpp"
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/**
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@addtogroup cuda
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@{
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@defgroup cudawarping Image Warping
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@}
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*/
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namespace cv { namespace cuda {
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//! @addtogroup cudawarping
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//! @{
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/** @brief Applies a generic geometrical transformation to an image.
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@param src Source image.
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@param dst Destination image with the size the same as xmap and the type the same as src .
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@param xmap X values. Only CV_32FC1 type is supported.
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@param ymap Y values. Only CV_32FC1 type is supported.
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@param interpolation Interpolation method (see resize ). INTER_NEAREST , INTER_LINEAR and
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INTER_CUBIC are supported for now.
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@param borderMode Pixel extrapolation method (see borderInterpolate ). BORDER_REFLECT101 ,
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BORDER_REPLICATE , BORDER_CONSTANT , BORDER_REFLECT and BORDER_WRAP are supported for now.
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@param borderValue Value used in case of a constant border. By default, it is 0.
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@param stream Stream for the asynchronous version.
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The function transforms the source image using the specified map:
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\f[\texttt{dst} (x,y) = \texttt{src} (xmap(x,y), ymap(x,y))\f]
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Values of pixels with non-integer coordinates are computed using the bilinear interpolation.
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@sa remap
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*/
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CV_EXPORTS void remap(InputArray src, OutputArray dst, InputArray xmap, InputArray ymap,
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int interpolation, int borderMode = BORDER_CONSTANT, Scalar borderValue = Scalar(),
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Stream& stream = Stream::Null());
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/** @brief Resizes an image.
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@param src Source image.
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@param dst Destination image with the same type as src . The size is dsize (when it is non-zero)
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or the size is computed from src.size() , fx , and fy .
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@param dsize Destination image size. If it is zero, it is computed as:
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\f[\texttt{dsize = Size(round(fx*src.cols), round(fy*src.rows))}\f]
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Either dsize or both fx and fy must be non-zero.
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@param fx Scale factor along the horizontal axis. If it is zero, it is computed as:
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\f[\texttt{(double)dsize.width/src.cols}\f]
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@param fy Scale factor along the vertical axis. If it is zero, it is computed as:
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\f[\texttt{(double)dsize.height/src.rows}\f]
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@param interpolation Interpolation method. INTER_NEAREST , INTER_LINEAR and INTER_CUBIC are
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supported for now.
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@param stream Stream for the asynchronous version.
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@sa resize
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*/
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CV_EXPORTS void resize(InputArray src, OutputArray dst, Size dsize, double fx=0, double fy=0, int interpolation = INTER_LINEAR, Stream& stream = Stream::Null());
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/** @brief Applies an affine transformation to an image.
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@param src Source image. CV_8U , CV_16U , CV_32S , or CV_32F depth and 1, 3, or 4 channels are
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supported.
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@param dst Destination image with the same type as src . The size is dsize .
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@param M *2x3* transformation matrix.
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@param dsize Size of the destination image.
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@param flags Combination of interpolation methods (see resize) and the optional flag
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WARP_INVERSE_MAP specifying that M is an inverse transformation ( dst=\>src ). Only
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INTER_NEAREST , INTER_LINEAR , and INTER_CUBIC interpolation methods are supported.
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@param borderMode
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@param borderValue
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@param stream Stream for the asynchronous version.
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@sa warpAffine
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*/
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CV_EXPORTS void warpAffine(InputArray src, OutputArray dst, InputArray M, Size dsize, int flags = INTER_LINEAR,
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int borderMode = BORDER_CONSTANT, Scalar borderValue = Scalar(), Stream& stream = Stream::Null());
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/** @brief Builds transformation maps for affine transformation.
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@param M *2x3* transformation matrix.
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@param inverse Flag specifying that M is an inverse transformation ( dst=\>src ).
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@param dsize Size of the destination image.
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@param xmap X values with CV_32FC1 type.
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@param ymap Y values with CV_32FC1 type.
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@param stream Stream for the asynchronous version.
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@sa cuda::warpAffine , cuda::remap
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*/
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CV_EXPORTS void buildWarpAffineMaps(InputArray M, bool inverse, Size dsize, OutputArray xmap, OutputArray ymap, Stream& stream = Stream::Null());
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/** @brief Applies a perspective transformation to an image.
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@param src Source image. CV_8U , CV_16U , CV_32S , or CV_32F depth and 1, 3, or 4 channels are
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supported.
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@param dst Destination image with the same type as src . The size is dsize .
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@param M *3x3* transformation matrix.
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@param dsize Size of the destination image.
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@param flags Combination of interpolation methods (see resize ) and the optional flag
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WARP_INVERSE_MAP specifying that M is the inverse transformation ( dst =\> src ). Only
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INTER_NEAREST , INTER_LINEAR , and INTER_CUBIC interpolation methods are supported.
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@param borderMode
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@param borderValue
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@param stream Stream for the asynchronous version.
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@sa warpPerspective
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*/
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CV_EXPORTS void warpPerspective(InputArray src, OutputArray dst, InputArray M, Size dsize, int flags = INTER_LINEAR,
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int borderMode = BORDER_CONSTANT, Scalar borderValue = Scalar(), Stream& stream = Stream::Null());
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/** @brief Builds transformation maps for perspective transformation.
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@param M *3x3* transformation matrix.
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@param inverse Flag specifying that M is an inverse transformation ( dst=\>src ).
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@param dsize Size of the destination image.
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@param xmap X values with CV_32FC1 type.
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@param ymap Y values with CV_32FC1 type.
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@param stream Stream for the asynchronous version.
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@sa cuda::warpPerspective , cuda::remap
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*/
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CV_EXPORTS void buildWarpPerspectiveMaps(InputArray M, bool inverse, Size dsize, OutputArray xmap, OutputArray ymap, Stream& stream = Stream::Null());
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/** @brief Rotates an image around the origin (0,0) and then shifts it.
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@param src Source image. Supports 1, 3 or 4 channels images with CV_8U , CV_16U or CV_32F
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depth.
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@param dst Destination image with the same type as src . The size is dsize .
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@param dsize Size of the destination image.
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@param angle Angle of rotation in degrees.
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@param xShift Shift along the horizontal axis.
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@param yShift Shift along the vertical axis.
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@param interpolation Interpolation method. Only INTER_NEAREST , INTER_LINEAR , and INTER_CUBIC
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are supported.
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@param stream Stream for the asynchronous version.
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@sa cuda::warpAffine
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*/
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CV_EXPORTS void rotate(InputArray src, OutputArray dst, Size dsize, double angle, double xShift = 0, double yShift = 0,
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int interpolation = INTER_LINEAR, Stream& stream = Stream::Null());
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/** @brief Smoothes an image and downsamples it.
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@param src Source image.
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@param dst Destination image. Will have Size((src.cols+1)/2, (src.rows+1)/2) size and the same
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type as src .
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@param stream Stream for the asynchronous version.
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@sa pyrDown
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*/
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CV_EXPORTS void pyrDown(InputArray src, OutputArray dst, Stream& stream = Stream::Null());
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/** @brief Upsamples an image and then smoothes it.
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@param src Source image.
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@param dst Destination image. Will have Size(src.cols\*2, src.rows\*2) size and the same type as
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src .
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@param stream Stream for the asynchronous version.
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*/
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CV_EXPORTS void pyrUp(InputArray src, OutputArray dst, Stream& stream = Stream::Null());
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//! @}
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}} // namespace cv { namespace cuda {
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#endif /* OPENCV_CUDAWARPING_HPP */
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