1 #include <opencv2/core/core.hpp> 2 #include <opencv2/videoio/videoio.hpp> 3 #include <opencv2/highgui/highgui.hpp> 4 5 #include <iostream> 6 7 using namespace cv; 8 using namespace std; 9 10 static void help(char** argv) 11 { 12 cout << "\nThis sample shows you how to read a sequence of images using the VideoCapture interface.\n" 13 << "Usage: " << argv[0] << " <image_mask> (example mask: example_%02d.jpg)\n" 14 << "Image mask defines the name variation for the input images that have to be read as a sequence. \n" 15 << "Using the mask example_%02d.jpg will read in images labeled as 'example_00.jpg', 'example_01.jpg', etc." 16 << endl; 17 } 18 19 int main(int argc, char** argv) 20 { 21 if(argc != 2) 22 { 23 help(argv); 24 return 1; 25 } 26 27 string first_file = argv[1]; 28 VideoCapture sequence(first_file); 29 30 if (!sequence.isOpened()) 31 { 32 cerr << "Failed to open the image sequence!\n" << endl; 33 return 1; 34 } 35 36 Mat image; 37 namedWindow("Image sequence | press ESC to close", 1); 38 39 for(;;) 40 { 41 // Read in image from sequence 42 sequence >> image; 43 44 // If no image was retrieved -> end of sequence 45 if(image.empty()) 46 { 47 cout << "End of Sequence" << endl; 48 break; 49 } 50 51 imshow("Image sequence | press ESC to close", image); 52 53 if(waitKey(500) == 27) 54 break; 55 } 56 57 return 0; 58 } 59
