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/*
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* starter_image_sequence.cpp |
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* |
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* Created on: July 23, 2012 |
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* Author: Kevin Hughes |
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* |
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* A simple example of how to use the built in functionality of cv::VideoCapture to handle |
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* sequences of images. Image sequences are a common way to distribute data sets for various |
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* computer vision problems, for example the change detection data set from CVPR 2012 |
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* http://www.changedetection.net/
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* |
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*/ |
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#include <opencv2/core/core.hpp> |
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#include <opencv2/highgui/highgui.hpp> |
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#include <iostream> |
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using namespace cv; |
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using namespace std; |
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void help(char** argv)
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{ |
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cout << "\nThis program gets you started reading a sequence of images using cv::VideoCapture.\n" |
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<< "Image sequences are a common way to distribute video data sets for computer vision.\n" |
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<< "Usage: " << argv[0] << " <path to the first image in the sequence>\n" |
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<< "example: " << argv[0] << " right%%02d.jpg\n" |
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<< "q,Q,esc -- quit\n" |
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<< "\tThis is a starter sample, to get you up and going in a copy pasta fashion\n" |
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<< endl; |
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} |
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int main(int argc, char** argv) |
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{ |
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if(argc != 2)
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{ |
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help(argv); |
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return 1; |
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} |
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string arg = argv[1]; |
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VideoCapture sequence(arg); |
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if (!sequence.isOpened()) |
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{ |
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cerr << "Failed to open Image Sequence!\n" << endl; |
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return 1; |
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} |
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Mat image; |
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namedWindow("Image | q or esc to quit", CV_WINDOW_NORMAL); |
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for(;;) |
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{ |
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sequence >> image; |
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if(image.empty()) |
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{ |
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cout << "End of Sequence" << endl; |
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break; |
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} |
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imshow("image | q or esc to quit", image); |
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char key = (char)waitKey(500); |
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if(key == 'q' || key == 'Q' || key == 27) |
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break; |
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} |
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return 0; |
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} |
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