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106 lines
4.0 KiB
C++
106 lines
4.0 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) 2014, OpenCV Foundation, 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 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 "CmShow.hpp"
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#include "opencv2/core.hpp"
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// #include <opencv2/highgui.hpp>
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typedef std::pair<int, int> CostiIdx;
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namespace cv
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{
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namespace saliency
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{
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Mat CmShow::HistBins( CMat& color3f, CMat& val, bool descendShow, CMat &with )
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{
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// Prepare data
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int H = 300, spaceH = 6, barH = 10, n = color3f.cols;
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CV_Assert( color3f.size() == val.size() && color3f.rows == 1 );
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Mat binVal1i, binColor3b, width1i;
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if( with.size() == val.size() )
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with.convertTo( width1i, CV_32S, 400 / sum( with ).val[0] ); // Default shown width
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else
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width1i = Mat( 1, n, CV_32S, Scalar( 10 ) ); // Default bin width = 10
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int W = cvRound( sum( width1i ).val[0] );
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color3f.convertTo( binColor3b, CV_8UC3, 255 );
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double maxVal, minVal;
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minMaxLoc( val, &minVal, &maxVal );
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printf( "%g\n", H / max( maxVal, -minVal ) );
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val.convertTo( binVal1i, CV_32S, 20000 );
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Size szShow( W, H + spaceH + barH );
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szShow.height += minVal < 0 && !descendShow ? H + spaceH : 0;
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Mat showImg3b( szShow, CV_8UC3, Scalar( 255, 255, 255 ) );
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int* binH = (int*) ( binVal1i.data );
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Vec3b* binColor = (Vec3b*) ( binColor3b.data );
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int* binW = (int*) ( width1i.data );
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std::vector<CostiIdx> costIdx( n );
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if( descendShow )
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{
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for ( int i = 0; i < n; i++ )
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costIdx[i] = std::make_pair( binH[i], i );
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sort( costIdx.begin(), costIdx.end(), std::greater<CostiIdx>() );
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}
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// Show image
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for ( int i = 0, x = 0; i < n; i++ )
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{
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int idx = descendShow ? costIdx[i].second : i;
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int h = descendShow ? abs( binH[idx] ) : binH[idx];
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Scalar color( binColor[idx] );
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Rect reg( x, H + spaceH, binW[idx], barH );
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showImg3b( reg ) = color; // Draw bar
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rectangle( showImg3b, reg, Scalar( 0 ) );
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reg.height = abs( h );
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reg.y = h >= 0 ? H - h : H + 2 * spaceH + barH;
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showImg3b( reg ) = color;
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rectangle( showImg3b, reg, Scalar( 0 ) );
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x += binW[idx];
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}
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return showImg3b;
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}
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} // namespace saliency
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} // namespace cv
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