855 lines
33 KiB
C++
855 lines
33 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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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Copyright (C) 2014, Itseez, 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 Intel Corporation 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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#include "precomp.hpp"
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#include "opencl_kernels.hpp"
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#if defined (HAVE_IPP) && (IPP_VERSION_MAJOR >= 7)
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static IppStatus sts = ippInit();
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#endif
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/****************************************************************************************\
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Sobel & Scharr Derivative Filters
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\****************************************************************************************/
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namespace cv
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{
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static void getScharrKernels( OutputArray _kx, OutputArray _ky,
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int dx, int dy, bool normalize, int ktype )
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{
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const int ksize = 3;
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CV_Assert( ktype == CV_32F || ktype == CV_64F );
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_kx.create(ksize, 1, ktype, -1, true);
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_ky.create(ksize, 1, ktype, -1, true);
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Mat kx = _kx.getMat();
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Mat ky = _ky.getMat();
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CV_Assert( dx >= 0 && dy >= 0 && dx+dy == 1 );
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for( int k = 0; k < 2; k++ )
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{
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Mat* kernel = k == 0 ? &kx : &ky;
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int order = k == 0 ? dx : dy;
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int kerI[3];
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if( order == 0 )
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kerI[0] = 3, kerI[1] = 10, kerI[2] = 3;
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else if( order == 1 )
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kerI[0] = -1, kerI[1] = 0, kerI[2] = 1;
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Mat temp(kernel->rows, kernel->cols, CV_32S, &kerI[0]);
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double scale = !normalize || order == 1 ? 1. : 1./32;
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temp.convertTo(*kernel, ktype, scale);
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}
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}
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static void getSobelKernels( OutputArray _kx, OutputArray _ky,
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int dx, int dy, int _ksize, bool normalize, int ktype )
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{
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int i, j, ksizeX = _ksize, ksizeY = _ksize;
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if( ksizeX == 1 && dx > 0 )
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ksizeX = 3;
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if( ksizeY == 1 && dy > 0 )
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ksizeY = 3;
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CV_Assert( ktype == CV_32F || ktype == CV_64F );
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_kx.create(ksizeX, 1, ktype, -1, true);
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_ky.create(ksizeY, 1, ktype, -1, true);
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Mat kx = _kx.getMat();
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Mat ky = _ky.getMat();
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if( _ksize % 2 == 0 || _ksize > 31 )
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CV_Error( CV_StsOutOfRange, "The kernel size must be odd and not larger than 31" );
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std::vector<int> kerI(std::max(ksizeX, ksizeY) + 1);
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CV_Assert( dx >= 0 && dy >= 0 && dx+dy > 0 );
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for( int k = 0; k < 2; k++ )
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{
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Mat* kernel = k == 0 ? &kx : &ky;
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int order = k == 0 ? dx : dy;
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int ksize = k == 0 ? ksizeX : ksizeY;
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CV_Assert( ksize > order );
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if( ksize == 1 )
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kerI[0] = 1;
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else if( ksize == 3 )
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{
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if( order == 0 )
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kerI[0] = 1, kerI[1] = 2, kerI[2] = 1;
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else if( order == 1 )
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kerI[0] = -1, kerI[1] = 0, kerI[2] = 1;
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else
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kerI[0] = 1, kerI[1] = -2, kerI[2] = 1;
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}
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else
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{
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int oldval, newval;
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kerI[0] = 1;
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for( i = 0; i < ksize; i++ )
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kerI[i+1] = 0;
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for( i = 0; i < ksize - order - 1; i++ )
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{
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oldval = kerI[0];
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for( j = 1; j <= ksize; j++ )
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{
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newval = kerI[j]+kerI[j-1];
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kerI[j-1] = oldval;
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oldval = newval;
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}
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}
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for( i = 0; i < order; i++ )
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{
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oldval = -kerI[0];
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for( j = 1; j <= ksize; j++ )
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{
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newval = kerI[j-1] - kerI[j];
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kerI[j-1] = oldval;
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oldval = newval;
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}
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}
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}
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Mat temp(kernel->rows, kernel->cols, CV_32S, &kerI[0]);
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double scale = !normalize ? 1. : 1./(1 << (ksize-order-1));
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temp.convertTo(*kernel, ktype, scale);
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}
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}
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}
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void cv::getDerivKernels( OutputArray kx, OutputArray ky, int dx, int dy,
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int ksize, bool normalize, int ktype )
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{
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if( ksize <= 0 )
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getScharrKernels( kx, ky, dx, dy, normalize, ktype );
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else
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getSobelKernels( kx, ky, dx, dy, ksize, normalize, ktype );
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}
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cv::Ptr<cv::FilterEngine> cv::createDerivFilter(int srcType, int dstType,
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int dx, int dy, int ksize, int borderType )
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{
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Mat kx, ky;
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getDerivKernels( kx, ky, dx, dy, ksize, false, CV_32F );
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return createSeparableLinearFilter(srcType, dstType,
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kx, ky, Point(-1,-1), 0, borderType );
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}
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#if defined (HAVE_IPP) && (IPP_VERSION_MAJOR >= 7)
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#define IPP_RETURN_ERROR {setIppErrorStatus(); return false;}
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namespace cv
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{
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#if IPP_VERSION_X100 >= 801
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static bool IPPDerivScharr(InputArray _src, OutputArray _dst, int ddepth, int dx, int dy, double scale, double delta, int borderType)
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{
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if ((0 > dx) || (0 > dy) || (1 != dx + dy))
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return false;
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if (fabs(delta) > FLT_EPSILON)
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return false;
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IppiBorderType ippiBorderType = ippiGetBorderType(borderType & (~BORDER_ISOLATED));
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if ((int)ippiBorderType < 0)
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return false;
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int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
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if (ddepth < 0)
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ddepth = sdepth;
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int dtype = CV_MAKETYPE(ddepth, cn);
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Mat src = _src.getMat();
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if (0 == (BORDER_ISOLATED & borderType))
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{
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Size size; Point offset;
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src.locateROI(size, offset);
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if (0 < offset.x)
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ippiBorderType = (IppiBorderType)(ippiBorderType | ippBorderInMemLeft);
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if (0 < offset.y)
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ippiBorderType = (IppiBorderType)(ippiBorderType | ippBorderInMemTop);
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if (offset.x + src.cols < size.width)
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ippiBorderType = (IppiBorderType)(ippiBorderType | ippBorderInMemRight);
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if (offset.y + src.rows < size.height)
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ippiBorderType = (IppiBorderType)(ippiBorderType | ippBorderInMemBottom);
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}
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bool horz = (0 == dx) && (1 == dy);
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IppiSize roiSize = {src.cols, src.rows};
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_dst.create( _src.size(), dtype);
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Mat dst = _dst.getMat();
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IppStatus sts = ippStsErr;
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if ((CV_8U == stype) && (CV_16S == dtype))
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{
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int bufferSize = 0; Ipp8u *pBuffer;
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if (horz)
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{
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if (0 > ippiFilterScharrHorizMaskBorderGetBufferSize(roiSize, ippMskSize3x3, ipp8u, ipp16s, 1, &bufferSize))
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IPP_RETURN_ERROR
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pBuffer = ippsMalloc_8u(bufferSize);
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if (NULL == pBuffer)
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IPP_RETURN_ERROR
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sts = ippiFilterScharrHorizMaskBorder_8u16s_C1R(src.data, (int)src.step, (Ipp16s *)dst.data, (int)dst.step, roiSize, ippMskSize3x3, ippiBorderType, 0, pBuffer);
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}
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else
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{
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if (0 > ippiFilterScharrVertMaskBorderGetBufferSize(roiSize, ippMskSize3x3, ipp8u, ipp16s, 1, &bufferSize))
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IPP_RETURN_ERROR
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pBuffer = ippsMalloc_8u(bufferSize);
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if (NULL == pBuffer)
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IPP_RETURN_ERROR
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sts = ippiFilterScharrVertMaskBorder_8u16s_C1R(src.data, (int)src.step, (Ipp16s *)dst.data, (int)dst.step, roiSize, ippMskSize3x3, ippiBorderType, 0, pBuffer);
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}
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ippsFree(pBuffer);
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}
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else if ((CV_16S == stype) && (CV_16S == dtype))
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{
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int bufferSize = 0; Ipp8u *pBuffer;
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if (horz)
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{
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if (0 > ippiFilterScharrHorizMaskBorderGetBufferSize(roiSize, ippMskSize3x3, ipp16s, ipp16s, 1, &bufferSize))
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IPP_RETURN_ERROR
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pBuffer = ippsMalloc_8u(bufferSize);
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if (NULL == pBuffer)
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IPP_RETURN_ERROR
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sts = ippiFilterScharrHorizMaskBorder_16s_C1R((Ipp16s *)src.data, (int)src.step, (Ipp16s *)dst.data, (int)dst.step, roiSize, ippMskSize3x3, ippiBorderType, 0, pBuffer);
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}
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else
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{
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if (0 > ippiFilterScharrVertMaskBorderGetBufferSize(roiSize, ippMskSize3x3, ipp16s, ipp16s, 1, &bufferSize))
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IPP_RETURN_ERROR
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pBuffer = ippsMalloc_8u(bufferSize);
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if (NULL == pBuffer)
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IPP_RETURN_ERROR
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sts = ippiFilterScharrVertMaskBorder_16s_C1R((Ipp16s *)src.data, (int)src.step, (Ipp16s *)dst.data, (int)dst.step, roiSize, ippMskSize3x3, ippiBorderType, 0, pBuffer);
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}
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ippsFree(pBuffer);
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}
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else if ((CV_32F == stype) && (CV_32F == dtype))
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{
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int bufferSize = 0; Ipp8u *pBuffer;
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if (horz)
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{
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if (0 > ippiFilterScharrHorizMaskBorderGetBufferSize(roiSize, ippMskSize3x3, ipp32f, ipp32f, 1, &bufferSize))
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IPP_RETURN_ERROR
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pBuffer = ippsMalloc_8u(bufferSize);
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if (NULL == pBuffer)
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IPP_RETURN_ERROR
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sts = ippiFilterScharrHorizMaskBorder_32f_C1R((Ipp32f *)src.data, (int)src.step, (Ipp32f *)dst.data, (int)dst.step, roiSize, ippMskSize3x3, ippiBorderType, 0, pBuffer);
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}
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else
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{
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if (0 > ippiFilterScharrVertMaskBorderGetBufferSize(roiSize, ippMskSize3x3, ipp32f, ipp32f, 1, &bufferSize))
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IPP_RETURN_ERROR
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pBuffer = ippsMalloc_8u(bufferSize);
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if (NULL == pBuffer)
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IPP_RETURN_ERROR
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sts = ippiFilterScharrVertMaskBorder_32f_C1R((Ipp32f *)src.data, (int)src.step, (Ipp32f *)dst.data, (int)dst.step, roiSize, ippMskSize3x3, ippiBorderType, 0, pBuffer);
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}
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ippsFree(pBuffer);
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if (sts < 0)
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IPP_RETURN_ERROR;
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if (FLT_EPSILON < fabs(scale - 1.0))
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sts = ippiMulC_32f_C1R((Ipp32f *)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, roiSize);
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}
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return (0 <= sts);
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}
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#elif IPP_VERSION_X100 >= 700
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static bool IPPDerivScharr(InputArray _src, OutputArray _dst, int ddepth, int dx, int dy, double scale, double delta, int borderType)
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{
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if (BORDER_REPLICATE != borderType)
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return false;
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if ((0 > dx) || (0 > dy) || (1 != dx + dy))
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return false;
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if (fabs(delta) > FLT_EPSILON)
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return false;
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Mat src = _src.getMat(), dst = _dst.getMat();
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int bufSize = 0;
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cv::AutoBuffer<char> buffer;
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IppiSize roi = ippiSize(src.cols, src.rows);
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if( ddepth < 0 )
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ddepth = src.depth();
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dst.create( src.size(), CV_MAKETYPE(ddepth, src.channels()) );
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switch(src.type())
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{
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case CV_8UC1:
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{
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if(scale != 1)
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return false;
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switch(dst.type())
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{
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case CV_16S:
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{
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if ((dx == 1) && (dy == 0))
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{
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if (0 > ippiFilterScharrVertGetBufferSize_8u16s_C1R(roi,&bufSize))
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return false;
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buffer.allocate(bufSize);
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return (0 <= ippiFilterScharrVertBorder_8u16s_C1R((const Ipp8u*)src.data, (int)src.step,
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(Ipp16s*)dst.data, (int)dst.step, roi, ippBorderRepl, 0, (Ipp8u*)(char*)buffer));
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}
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if ((dx == 0) && (dy == 1))
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{
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if (0 > ippiFilterScharrHorizGetBufferSize_8u16s_C1R(roi,&bufSize))
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return false;
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buffer.allocate(bufSize);
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return (0 <= ippiFilterScharrHorizBorder_8u16s_C1R((const Ipp8u*)src.data, (int)src.step,
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(Ipp16s*)dst.data, (int)dst.step, roi, ippBorderRepl, 0, (Ipp8u*)(char*)buffer));
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}
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return false;
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}
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default:
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return false;
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}
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}
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case CV_32FC1:
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{
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switch(dst.type())
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{
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case CV_32FC1:
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{
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if ((dx == 1) && (dy == 0))
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{
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if (0 > ippiFilterScharrVertGetBufferSize_32f_C1R(ippiSize(src.cols, src.rows),&bufSize))
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return false;
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buffer.allocate(bufSize);
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if (0 > ippiFilterScharrVertBorder_32f_C1R((const Ipp32f*)src.data, (int)src.step,
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(Ipp32f*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows),
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ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
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{
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return false;
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}
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if (scale != 1)
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/* IPP is fast, so MulC produce very little perf degradation.*/
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//ippiMulC_32f_C1IR((Ipp32f)scale, (Ipp32f*)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
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ippiMulC_32f_C1R((Ipp32f*)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f*)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
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return true;
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}
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if ((dx == 0) && (dy == 1))
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{
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if (0 > ippiFilterScharrHorizGetBufferSize_32f_C1R(ippiSize(src.cols, src.rows),&bufSize))
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return false;
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buffer.allocate(bufSize);
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if (0 > ippiFilterScharrHorizBorder_32f_C1R((const Ipp32f*)src.data, (int)src.step,
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(Ipp32f*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows),
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ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
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return false;
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if (scale != 1)
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ippiMulC_32f_C1R((Ipp32f *)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
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return true;
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}
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}
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default:
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return false;
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}
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}
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default:
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return false;
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}
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}
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#endif
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static bool IPPDerivSobel(InputArray _src, OutputArray _dst, int ddepth, int dx, int dy, int ksize, double scale, double delta, int borderType)
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{
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if ((borderType != BORDER_REPLICATE) || ((3 != ksize) && (5 != ksize)))
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return false;
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if (fabs(delta) > FLT_EPSILON)
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return false;
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if (1 != _src.channels())
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return false;
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int bufSize = 0;
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cv::AutoBuffer<char> buffer;
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Mat src = _src.getMat(), dst = _dst.getMat();
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if ( ddepth < 0 )
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ddepth = src.depth();
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if (src.type() == CV_8U && dst.type() == CV_16S && scale == 1)
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{
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if ((dx == 1) && (dy == 0))
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{
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if (0 > ippiFilterSobelNegVertGetBufferSize_8u16s_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
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IPP_RETURN_ERROR
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buffer.allocate(bufSize);
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if (0 > ippiFilterSobelNegVertBorder_8u16s_C1R((const Ipp8u*)src.data, (int)src.step,
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(Ipp16s*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
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ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
return true;
|
|
}
|
|
|
|
if ((dx == 0) && (dy == 1))
|
|
{
|
|
if (0 > ippiFilterSobelHorizGetBufferSize_8u16s_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
|
|
if (0 > ippiFilterSobelHorizBorder_8u16s_C1R((const Ipp8u*)src.data, (int)src.step,
|
|
(Ipp16s*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
return true;
|
|
}
|
|
|
|
#if !defined(HAVE_IPP_ICV_ONLY)
|
|
if ((dx == 2) && (dy == 0))
|
|
{
|
|
if (0 > ippiFilterSobelVertSecondGetBufferSize_8u16s_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
|
|
if (0 > ippiFilterSobelVertSecondBorder_8u16s_C1R((const Ipp8u*)src.data, (int)src.step,
|
|
(Ipp16s*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
return true;
|
|
}
|
|
|
|
if ((dx == 0) && (dy == 2))
|
|
{
|
|
if (0 > ippiFilterSobelHorizSecondGetBufferSize_8u16s_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
|
|
if (0 > ippiFilterSobelHorizSecondBorder_8u16s_C1R((const Ipp8u*)src.data, (int)src.step,
|
|
(Ipp16s*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
return true;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (src.type() == CV_32F && dst.type() == CV_32F)
|
|
{
|
|
#if 0
|
|
if ((dx == 1) && (dy == 0))
|
|
{
|
|
if (0 > ippiFilterSobelNegVertGetBufferSize_32f_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize), &bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
|
|
if (0 > ippiFilterSobelNegVertBorder_32f_C1R((const Ipp32f*)src.data, (int)src.step,
|
|
(Ipp32f*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
if(scale != 1)
|
|
ippiMulC_32f_C1R((Ipp32f *)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
|
|
return true;
|
|
}
|
|
|
|
if ((dx == 0) && (dy == 1))
|
|
{
|
|
if (0 > ippiFilterSobelHorizGetBufferSize_32f_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
if (0 > ippiFilterSobelHorizBorder_32f_C1R((const Ipp32f*)src.data, (int)src.step,
|
|
(Ipp32f*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
if(scale != 1)
|
|
ippiMulC_32f_C1R((Ipp32f *)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
|
|
return true;
|
|
}
|
|
#endif
|
|
#if !defined(HAVE_IPP_ICV_ONLY)
|
|
if((dx == 2) && (dy == 0))
|
|
{
|
|
if (0 > ippiFilterSobelVertSecondGetBufferSize_32f_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
|
|
if (0 > ippiFilterSobelVertSecondBorder_32f_C1R((const Ipp32f*)src.data, (int)src.step,
|
|
(Ipp32f*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
if(scale != 1)
|
|
ippiMulC_32f_C1R((Ipp32f *)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
|
|
return true;
|
|
}
|
|
|
|
if((dx == 0) && (dy == 2))
|
|
{
|
|
if (0 > ippiFilterSobelHorizSecondGetBufferSize_32f_C1R(ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),&bufSize))
|
|
IPP_RETURN_ERROR
|
|
buffer.allocate(bufSize);
|
|
|
|
if (0 > ippiFilterSobelHorizSecondBorder_32f_C1R((const Ipp32f*)src.data, (int)src.step,
|
|
(Ipp32f*)dst.data, (int)dst.step, ippiSize(src.cols, src.rows), (IppiMaskSize)(ksize*10+ksize),
|
|
ippBorderRepl, 0, (Ipp8u*)(char*)buffer))
|
|
IPP_RETURN_ERROR
|
|
|
|
if(scale != 1)
|
|
ippiMulC_32f_C1R((Ipp32f *)dst.data, (int)dst.step, (Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, ippiSize(dst.cols*dst.channels(), dst.rows));
|
|
return true;
|
|
}
|
|
#endif
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
void cv::Sobel( InputArray _src, OutputArray _dst, int ddepth, int dx, int dy,
|
|
int ksize, double scale, double delta, int borderType )
|
|
{
|
|
int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
|
|
if (ddepth < 0)
|
|
ddepth = sdepth;
|
|
int dtype = CV_MAKE_TYPE(ddepth, cn);
|
|
_dst.create( _src.size(), dtype );
|
|
|
|
#ifdef HAVE_TEGRA_OPTIMIZATION
|
|
if (scale == 1.0 && delta == 0)
|
|
{
|
|
Mat src = _src.getMat(), dst = _dst.getMat();
|
|
if (ksize == 3 && tegra::sobel3x3(src, dst, dx, dy, borderType))
|
|
return;
|
|
if (ksize == -1 && tegra::scharr(src, dst, dx, dy, borderType))
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_IPP
|
|
if (ksize < 0)
|
|
{
|
|
if (IPPDerivScharr(_src, _dst, ddepth, dx, dy, scale, delta, borderType))
|
|
return;
|
|
}
|
|
else if (0 < ksize)
|
|
{
|
|
if (IPPDerivSobel(_src, _dst, ddepth, dx, dy, ksize, scale, delta, borderType))
|
|
return;
|
|
}
|
|
#endif
|
|
int ktype = std::max(CV_32F, std::max(ddepth, sdepth));
|
|
|
|
Mat kx, ky;
|
|
getDerivKernels( kx, ky, dx, dy, ksize, false, ktype );
|
|
if( scale != 1 )
|
|
{
|
|
// usually the smoothing part is the slowest to compute,
|
|
// so try to scale it instead of the faster differenciating part
|
|
if( dx == 0 )
|
|
kx *= scale;
|
|
else
|
|
ky *= scale;
|
|
}
|
|
sepFilter2D( _src, _dst, ddepth, kx, ky, Point(-1, -1), delta, borderType );
|
|
}
|
|
|
|
|
|
void cv::Scharr( InputArray _src, OutputArray _dst, int ddepth, int dx, int dy,
|
|
double scale, double delta, int borderType )
|
|
{
|
|
int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
|
|
if (ddepth < 0)
|
|
ddepth = sdepth;
|
|
int dtype = CV_MAKETYPE(ddepth, cn);
|
|
_dst.create( _src.size(), dtype );
|
|
|
|
#ifdef HAVE_TEGRA_OPTIMIZATION
|
|
if (scale == 1.0 && delta == 0)
|
|
{
|
|
Mat src = _src.getMat(), dst = _dst.getMat();
|
|
if (tegra::scharr(src, dst, dx, dy, borderType))
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#if defined (HAVE_IPP) && (IPP_VERSION_MAJOR >= 7)
|
|
if (IPPDerivScharr(_src, _dst, ddepth, dx, dy, scale, delta, borderType))
|
|
return;
|
|
#endif
|
|
int ktype = std::max(CV_32F, std::max(ddepth, sdepth));
|
|
|
|
Mat kx, ky;
|
|
getScharrKernels( kx, ky, dx, dy, false, ktype );
|
|
if( scale != 1 )
|
|
{
|
|
// usually the smoothing part is the slowest to compute,
|
|
// so try to scale it instead of the faster differenciating part
|
|
if( dx == 0 )
|
|
kx *= scale;
|
|
else
|
|
ky *= scale;
|
|
}
|
|
sepFilter2D( _src, _dst, ddepth, kx, ky, Point(-1, -1), delta, borderType );
|
|
}
|
|
|
|
#ifdef HAVE_OPENCL
|
|
|
|
namespace cv {
|
|
|
|
static bool ocl_Laplacian5(InputArray _src, OutputArray _dst,
|
|
const Mat & kd, const Mat & ks, double scale, double delta,
|
|
int borderType, int depth, int ddepth)
|
|
{
|
|
int iscale = cvRound(scale), idelta = cvRound(delta);
|
|
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0,
|
|
floatCoeff = std::fabs(delta - idelta) > DBL_EPSILON || std::fabs(scale - iscale) > DBL_EPSILON;
|
|
int cn = _src.channels(), wdepth = std::max(depth, floatCoeff ? CV_32F : CV_32S), kercn = 1;
|
|
|
|
if (!doubleSupport && wdepth == CV_64F)
|
|
return false;
|
|
|
|
char cvt[2][40];
|
|
ocl::Kernel k("sumConvert", ocl::imgproc::laplacian5_oclsrc,
|
|
format("-D srcT=%s -D WT=%s -D dstT=%s -D coeffT=%s -D wdepth=%d "
|
|
"-D convertToWT=%s -D convertToDT=%s%s",
|
|
ocl::typeToStr(CV_MAKE_TYPE(depth, kercn)),
|
|
ocl::typeToStr(CV_MAKE_TYPE(wdepth, kercn)),
|
|
ocl::typeToStr(CV_MAKE_TYPE(ddepth, kercn)),
|
|
ocl::typeToStr(wdepth), wdepth,
|
|
ocl::convertTypeStr(depth, wdepth, kercn, cvt[0]),
|
|
ocl::convertTypeStr(wdepth, ddepth, kercn, cvt[1]),
|
|
doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
|
|
if (k.empty())
|
|
return false;
|
|
|
|
UMat d2x, d2y;
|
|
sepFilter2D(_src, d2x, depth, kd, ks, Point(-1, -1), 0, borderType);
|
|
sepFilter2D(_src, d2y, depth, ks, kd, Point(-1, -1), 0, borderType);
|
|
|
|
UMat dst = _dst.getUMat();
|
|
|
|
ocl::KernelArg d2xarg = ocl::KernelArg::ReadOnlyNoSize(d2x),
|
|
d2yarg = ocl::KernelArg::ReadOnlyNoSize(d2y),
|
|
dstarg = ocl::KernelArg::WriteOnly(dst, cn, kercn);
|
|
|
|
if (wdepth >= CV_32F)
|
|
k.args(d2xarg, d2yarg, dstarg, (float)scale, (float)delta);
|
|
else
|
|
k.args(d2xarg, d2yarg, dstarg, iscale, idelta);
|
|
|
|
size_t globalsize[] = { dst.cols * cn / kercn, dst.rows };
|
|
return k.run(2, globalsize, NULL, false);
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
void cv::Laplacian( InputArray _src, OutputArray _dst, int ddepth, int ksize,
|
|
double scale, double delta, int borderType )
|
|
{
|
|
int stype = _src.type(), sdepth = CV_MAT_DEPTH(stype), cn = CV_MAT_CN(stype);
|
|
if (ddepth < 0)
|
|
ddepth = sdepth;
|
|
_dst.create( _src.size(), CV_MAKETYPE(ddepth, cn) );
|
|
|
|
#ifdef HAVE_IPP
|
|
if ((ksize == 3 || ksize == 5) && ((borderType & BORDER_ISOLATED) != 0 || !_src.isSubmatrix()) &&
|
|
((stype == CV_8UC1 && ddepth == CV_16S) || (ddepth == CV_32F && stype == CV_32FC1)))
|
|
{
|
|
int iscale = saturate_cast<int>(scale), idelta = saturate_cast<int>(delta);
|
|
bool floatScale = std::fabs(scale - iscale) > DBL_EPSILON, needScale = iscale != 1;
|
|
bool floatDelta = std::fabs(delta - idelta) > DBL_EPSILON, needDelta = delta != 0;
|
|
int borderTypeNI = borderType & ~BORDER_ISOLATED;
|
|
Mat src = _src.getMat(), dst = _dst.getMat();
|
|
|
|
if (src.data != dst.data)
|
|
{
|
|
Ipp32s bufsize;
|
|
IppStatus status = (IppStatus)-1;
|
|
IppiSize roisize = { src.cols, src.rows };
|
|
IppiMaskSize masksize = ksize == 3 ? ippMskSize3x3 : ippMskSize5x5;
|
|
IppiBorderType borderTypeIpp = ippiGetBorderType(borderTypeNI);
|
|
|
|
#define IPP_FILTER_LAPLACIAN(ippsrctype, ippdsttype, ippfavor) \
|
|
do \
|
|
{ \
|
|
if (borderTypeIpp >= 0 && ippiFilterLaplacianGetBufferSize_##ippfavor##_C1R(roisize, masksize, &bufsize) >= 0) \
|
|
{ \
|
|
Ipp8u * buffer = ippsMalloc_8u(bufsize); \
|
|
status = ippiFilterLaplacianBorder_##ippfavor##_C1R((const ippsrctype *)src.data, (int)src.step, (ippdsttype *)dst.data, \
|
|
(int)dst.step, roisize, masksize, borderTypeIpp, 0, buffer); \
|
|
ippsFree(buffer); \
|
|
} \
|
|
} while ((void)0, 0)
|
|
|
|
CV_SUPPRESS_DEPRECATED_START
|
|
if (sdepth == CV_8U && ddepth == CV_16S && !floatScale && !floatDelta)
|
|
{
|
|
IPP_FILTER_LAPLACIAN(Ipp8u, Ipp16s, 8u16s);
|
|
|
|
if (needScale && status >= 0)
|
|
status = ippiMulC_16s_C1IRSfs((Ipp16s)iscale, (Ipp16s *)dst.data, (int)dst.step, roisize, 0);
|
|
if (needDelta && status >= 0)
|
|
status = ippiAddC_16s_C1IRSfs((Ipp16s)idelta, (Ipp16s *)dst.data, (int)dst.step, roisize, 0);
|
|
}
|
|
else if (sdepth == CV_32F && ddepth == CV_32F)
|
|
{
|
|
IPP_FILTER_LAPLACIAN(Ipp32f, Ipp32f, 32f);
|
|
|
|
if (needScale && status >= 0)
|
|
status = ippiMulC_32f_C1IR((Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, roisize);
|
|
if (needDelta && status >= 0)
|
|
status = ippiAddC_32f_C1IR((Ipp32f)delta, (Ipp32f *)dst.data, (int)dst.step, roisize);
|
|
}
|
|
CV_SUPPRESS_DEPRECATED_END
|
|
|
|
if (status >= 0)
|
|
return;
|
|
setIppErrorStatus();
|
|
}
|
|
}
|
|
#undef IPP_FILTER_LAPLACIAN
|
|
#endif
|
|
|
|
#ifdef HAVE_TEGRA_OPTIMIZATION
|
|
if (scale == 1.0 && delta == 0)
|
|
{
|
|
Mat src = _src.getMat(), dst = _dst.getMat();
|
|
if (ksize == 1 && tegra::laplace1(src, dst, borderType))
|
|
return;
|
|
if (ksize == 3 && tegra::laplace3(src, dst, borderType))
|
|
return;
|
|
if (ksize == 5 && tegra::laplace5(src, dst, borderType))
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if( ksize == 1 || ksize == 3 )
|
|
{
|
|
float K[2][9] =
|
|
{
|
|
{ 0, 1, 0, 1, -4, 1, 0, 1, 0 },
|
|
{ 2, 0, 2, 0, -8, 0, 2, 0, 2 }
|
|
};
|
|
Mat kernel(3, 3, CV_32F, K[ksize == 3]);
|
|
if( scale != 1 )
|
|
kernel *= scale;
|
|
filter2D( _src, _dst, ddepth, kernel, Point(-1, -1), delta, borderType );
|
|
}
|
|
else
|
|
{
|
|
int ktype = std::max(CV_32F, std::max(ddepth, sdepth));
|
|
int wdepth = sdepth == CV_8U && ksize <= 5 ? CV_16S : sdepth <= CV_32F ? CV_32F : CV_64F;
|
|
int wtype = CV_MAKETYPE(wdepth, cn);
|
|
Mat kd, ks;
|
|
getSobelKernels( kd, ks, 2, 0, ksize, false, ktype );
|
|
|
|
CV_OCL_RUN(_dst.isUMat(),
|
|
ocl_Laplacian5(_src, _dst, kd, ks, scale,
|
|
delta, borderType, wdepth, ddepth))
|
|
|
|
const size_t STRIPE_SIZE = 1 << 14;
|
|
Ptr<FilterEngine> fx = createSeparableLinearFilter(stype,
|
|
wtype, kd, ks, Point(-1,-1), 0, borderType, borderType, Scalar() );
|
|
Ptr<FilterEngine> fy = createSeparableLinearFilter(stype,
|
|
wtype, ks, kd, Point(-1,-1), 0, borderType, borderType, Scalar() );
|
|
|
|
Mat src = _src.getMat(), dst = _dst.getMat();
|
|
int y = fx->start(src), dsty = 0, dy = 0;
|
|
fy->start(src);
|
|
const uchar* sptr = src.data + y*src.step;
|
|
|
|
int dy0 = std::min(std::max((int)(STRIPE_SIZE/(CV_ELEM_SIZE(stype)*src.cols)), 1), src.rows);
|
|
Mat d2x( dy0 + kd.rows - 1, src.cols, wtype );
|
|
Mat d2y( dy0 + kd.rows - 1, src.cols, wtype );
|
|
|
|
for( ; dsty < src.rows; sptr += dy0*src.step, dsty += dy )
|
|
{
|
|
fx->proceed( sptr, (int)src.step, dy0, d2x.data, (int)d2x.step );
|
|
dy = fy->proceed( sptr, (int)src.step, dy0, d2y.data, (int)d2y.step );
|
|
if( dy > 0 )
|
|
{
|
|
Mat dstripe = dst.rowRange(dsty, dsty + dy);
|
|
d2x.rows = d2y.rows = dy; // modify the headers, which should work
|
|
d2x += d2y;
|
|
d2x.convertTo( dstripe, ddepth, scale, delta );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
CV_IMPL void
|
|
cvSobel( const void* srcarr, void* dstarr, int dx, int dy, int aperture_size )
|
|
{
|
|
cv::Mat src = cv::cvarrToMat(srcarr), dst = cv::cvarrToMat(dstarr);
|
|
|
|
CV_Assert( src.size() == dst.size() && src.channels() == dst.channels() );
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cv::Sobel( src, dst, dst.depth(), dx, dy, aperture_size, 1, 0, cv::BORDER_REPLICATE );
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if( CV_IS_IMAGE(srcarr) && ((IplImage*)srcarr)->origin && dy % 2 != 0 )
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dst *= -1;
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}
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CV_IMPL void
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cvLaplace( const void* srcarr, void* dstarr, int aperture_size )
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{
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cv::Mat src = cv::cvarrToMat(srcarr), dst = cv::cvarrToMat(dstarr);
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CV_Assert( src.size() == dst.size() && src.channels() == dst.channels() );
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cv::Laplacian( src, dst, dst.depth(), aperture_size, 1, 0, cv::BORDER_REPLICATE );
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}
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/* End of file. */
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