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https://github.com/opencv/opencv.git
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3ebec7448d
moved lbp.hpp to src/cuda folder added missing cv::gpu::device namespace deleted whitespaces
112 lines
3.9 KiB
C++
112 lines
3.9 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 bpied warranties, including, but not limited to, the bpied
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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_GPU_DEVICE_LBP_HPP_
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#define __OPENCV_GPU_DEVICE_LBP_HPP_
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#include "internal_shared.hpp"
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#include <opencv2/gpu/device/emulation.hpp>
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namespace cv { namespace gpu { namespace device {
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namespace lbp {
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struct Stage
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{
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int first;
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int ntrees;
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float threshold;
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};
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struct ClNode
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{
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int left;
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int right;
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int featureIdx;
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};
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struct InSameComponint
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{
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public:
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__device__ __forceinline__ InSameComponint(float _eps) : eps(_eps) {}
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__device__ __forceinline__ InSameComponint(const InSameComponint& other) : eps(other.eps) {}
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__device__ __forceinline__ bool operator()(const int4& r1, const int4& r2) const
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{
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float delta = eps * (min(r1.z, r2.z) + min(r1.w, r2.w)) * 0.5f;
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return abs(r1.x - r2.x) <= delta && abs(r1.y - r2.y) <= delta
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&& abs(r1.x + r1.z - r2.x - r2.z) <= delta && abs(r1.y + r1.w - r2.y - r2.w) <= delta;
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}
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float eps;
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};
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template<typename Pr>
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__device__ __forceinline__ void partition(int4* vec, unsigned int n, int* labels, Pr predicate)
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{
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unsigned tid = threadIdx.x;
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labels[tid] = tid;
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__syncthreads();
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for (unsigned int id = 0; id < n; id++)
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{
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if (tid != id && predicate(vec[tid], vec[id]))
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{
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int p = labels[tid];
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int q = labels[id];
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if (p < q)
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{
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Emulation::smem::atomicMin(labels + id, p);
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}
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else if (p > q)
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{
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Emulation::smem::atomicMin(labels + tid, q);
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}
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}
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}
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__syncthreads();
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}
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} // lbp
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} } }// namespaces
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#endif |