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/*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) 2017, Intel Corporation, 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*/
#include "opencv2/core/utility.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/imgcodecs.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/ximgproc.hpp"
#include <stdio.h>
using namespace cv;
using namespace std;
int main( int argc, const char** argv)
{
float alpha = 1.0f;
float sigma = 0.02f;
int rows0 = 480;
int niters = 10;
Mat frame, src, dst;
const char* window_name = "Anisodiff : Exponential Flux";
VideoCapture cap;
if( argc > 1 )
cap.open(argv[1]);
else
cap.open(0);
if (!cap.isOpened())
{
printf("Cannot initialize video capturing\n");
return 0;
}
// Create a window
namedWindow(window_name, 1);
// create a toolbar
createTrackbar("No. of time steps", window_name, &niters, 30, 0);
for(;;)
{
cap >> frame;
if( frame.empty() )
break;
if( frame.rows <= rows0 )
src = frame;
else
resize(frame, src, Size(cvRound(480.*frame.cols/frame.rows), 480), 0, 0, INTER_LINEAR_EXACT);
float t = (float)getTickCount();
ximgproc::anisotropicDiffusion(src, dst, alpha, sigma, niters);
t = (float)getTickCount() - t;
printf("time: %.1fms\n", t*1000./getTickFrequency());
imshow(window_name, dst);
// Wait for a key stroke; the same function arranges events processing
char c = (char)waitKey(30);
if(c >= 0)
break;
}
return 0;
}
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