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samples/cpp/videocapture_image_sequence.cpp
60 строк
1 KB
Alexander Alekhin
Merge pull request #13188 from alalek:samples_rename
17 ноя 2018, 00:35
Не верифицирован
17 ноя 2018, 00:35
43002c0
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#include <opencv2/core.hpp> #include <opencv2/videoio.hpp> #include <opencv2/highgui.hpp> #include <iostream> using namespace cv; using namespace std; static void help(char** argv) { cout << "\nThis sample shows you how to read a sequence of images using the VideoCapture interface.\n" << "Usage: " << argv[0] << " <image_mask> (example mask: example_%02d.jpg)\n" << "Image mask defines the name variation for the input images that have to be read as a sequence. \n" << "Using the mask example_%02d.jpg will read in images labeled as 'example_00.jpg', 'example_01.jpg', etc." << endl; } int main(int argc, char** argv) { help(argv); cv::CommandLineParser parser(argc, argv, "{@image| ../data/left%02d.jpg |}"); string first_file = parser.get<string>("@image"); if(first_file.empty()) { return 1; } VideoCapture sequence(first_file); if (!sequence.isOpened()) { cerr << "Failed to open the image sequence!\n" << endl; return 1; } Mat image; namedWindow("Image sequence | press ESC to close", 1); for(;;) { // Read in image from sequence sequence >> image; // If no image was retrieved -> end of sequence if(image.empty()) { cout << "End of Sequence" << endl; break; } imshow("Image sequence | press ESC to close", image); if(waitKey(500) == 27) break; } return 0; }