/*M/////////////////////////////////////////////////////////////////////////////////////// // // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. // // By downloading, copying, installing or using the software you agree to this license. // If you do not agree to this license, do not download, install, // copy or use the software. // // // License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. // Copyright (C) 2009, Willow Garage Inc., all rights reserved. // Third party copyrights are property of their respective owners. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // // * Redistribution's of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // * Redistribution's in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // * The name of the copyright holders may not be used to endorse or promote products // derived from this software without specific prior written permission. // // This software is provided by the copyright holders and contributors "as is" and // any express or implied warranties, including, but not limited to, the implied // warranties of merchantability and fitness for a particular purpose are disclaimed. // In no event shall the Intel Corporation or contributors be liable for any direct, // indirect, incidental, special, exemplary, or consequential damages // (including, but not limited to, procurement of substitute goods or services; // loss of use, data, or profits; or business interruption) however caused // and on any theory of liability, whether in contract, strict liability, // or tort (including negligence or otherwise) arising in any way out of // the use of this software, even if advised of the possibility of such damage. // //M*/ #ifndef __OPENCV_CUDA_DEVICE_LBP_HPP_ #define __OPENCV_CUDA_DEVICE_LBP_HPP_ #include "opencv2/core/cuda/common.hpp" #include "opencv2/core/cuda/emulation.hpp" namespace cv { namespace cuda { namespace device { namespace lbp { struct Stage { int first; int ntrees; float threshold; }; struct ClNode { int left; int right; int featureIdx; }; struct InSameComponint { public: __device__ __forceinline__ InSameComponint(float _eps) : eps(_eps) {} __device__ __forceinline__ InSameComponint(const InSameComponint& other) : eps(other.eps) {} __device__ __forceinline__ bool operator()(const int4& r1, const int4& r2) const { float delta = eps * (::min(r1.z, r2.z) + ::min(r1.w, r2.w)) * 0.5f; return ::abs(r1.x - r2.x) <= delta && ::abs(r1.y - r2.y) <= delta && ::abs(r1.x + r1.z - r2.x - r2.z) <= delta && ::abs(r1.y + r1.w - r2.y - r2.w) <= delta; } float eps; }; template<typename Pr> __device__ __forceinline__ void partition(int4* vec, unsigned int n, int* labels, Pr predicate) { unsigned tid = threadIdx.x; labels[tid] = tid; __syncthreads(); for (unsigned int id = 0; id < n; id++) { if (tid != id && predicate(vec[tid], vec[id])) { int p = labels[tid]; int q = labels[id]; if (p < q) { Emulation::smem::atomicMin(labels + id, p); } else if (p > q) { Emulation::smem::atomicMin(labels + tid, q); } } } __syncthreads(); } } // lbp } } }// namespaces #endif