opencv/samples/cpp/videocapture_image_sequence.cpp
Alexander Alekhin 43002c0c1d
Merge pull request from alalek:samples_rename
* samples: rename starter_imagelist.cpp

* samples: rename intelperc_capture.cpp => videocapture_intelperc.cpp

* samples: rename openni_capture.cpp => videocapture_openni.cpp

* samples: rename image_sequence.cpp => videocapture_image_sequence.cpp

* samples: rename gstreamer_pipeline.cpp => videocapture_gstreamer_pipeline.cpp

* samples: rename autofocus.cpp => videocapture_gphoto2_autofocus.cpp

* samples: rename live_detect_qrcode.cpp => qrcode.cpp
2018-11-17 00:35:05 +03:00

61 lines
1.5 KiB
C++

#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;
}