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      1 /*M///////////////////////////////////////////////////////////////////////////////////////
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      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.
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     21 //     this list of conditions and the following disclaimer.
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     24 //     this list of conditions and the following disclaimer in the documentation
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     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