Video into JPEG frames
Video into JPEG frames What is a video? A video is collection of frames, displayed at such a rate that we see a continuous and very smooth motion and we do not perceive the individual frames. It works on the concept of persistence of vision . Generally, a video has upto 24fps to 30 fps (frames per second) i.e 24 to 30 frames are displayed within one second. There are various applications where you want to extract individual frames and using them for various computer vision applications like optical flow etc. Having individual frames and saving them as jpeg files may not be a difficult task, but it has significant importance. Lets see how simple this task is. VideoCapture: The class provides C++ API for capturing video from cameras or for reading video files and image sequences. Here is how VideoCapture can be used: The name of the video is given as command line argument. Now the class VideoCapture will access the individual frames of the video one at a time. The imshow function d...