1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #include "opencv2/opencv_modules.hpp" 44 45 #ifndef HAVE_OPENCV_CUDEV 46 47 #error "opencv_cudev is required" 48 49 #else 50 51 #include "opencv2/cudaarithm.hpp" 52 #include "opencv2/cudev.hpp" 53 #include "opencv2/core/private.cuda.hpp" 54 55 using namespace cv; 56 using namespace cv::cuda; 57 using namespace cv::cudev; 58 59 //////////////////////////////////////////////////////////////////////// 60 // integral 61 62 void cv::cuda::integral(InputArray _src, OutputArray _dst, Stream& stream) 63 { 64 GpuMat src = getInputMat(_src, stream); 65 66 CV_Assert( src.type() == CV_8UC1 ); 67 68 BufferPool pool(stream); 69 GpuMat_<int> res(src.size(), pool.getAllocator()); 70 71 gridIntegral(globPtr<uchar>(src), res, stream); 72 73 GpuMat dst = getOutputMat(_dst, src.rows + 1, src.cols + 1, CV_32SC1, stream); 74 75 dst.setTo(Scalar::all(0), stream); 76 77 GpuMat inner = dst(Rect(1, 1, src.cols, src.rows)); 78 res.copyTo(inner, stream); 79 80 syncOutput(dst, _dst, stream); 81 } 82 83 ////////////////////////////////////////////////////////////////////////////// 84 // sqrIntegral 85 86 void cv::cuda::sqrIntegral(InputArray _src, OutputArray _dst, Stream& stream) 87 { 88 GpuMat src = getInputMat(_src, stream); 89 90 CV_Assert( src.type() == CV_8UC1 ); 91 92 BufferPool pool(Stream::Null()); 93 GpuMat_<double> res(pool.getBuffer(src.size(), CV_64FC1)); 94 95 gridIntegral(sqr_(cvt_<int>(globPtr<uchar>(src))), res, stream); 96 97 GpuMat dst = getOutputMat(_dst, src.rows + 1, src.cols + 1, CV_64FC1, stream); 98 99 dst.setTo(Scalar::all(0), stream); 100 101 GpuMat inner = dst(Rect(1, 1, src.cols, src.rows)); 102 res.copyTo(inner, stream); 103 104 syncOutput(dst, _dst, stream); 105 } 106 107 #endif 108