How to find clip of video belongs to full video? I want to check is there any way to compare portion of video(video clip) with full video?
for example: if i have a particular video of scene in a movie and full movie video, how to check whether these clip belongs to that movie. if i have thousands of clips and thousands full movies, how can i find which clip belongs to which full video.
If the clips both have the same audio track, you can use audio fingerprinting techniques to identify them. Apart from that, OpenCV can do similarity checks on video: http://docs.opencv.org/2.4/doc/tutorials/highgui/video-input-psnr-ssim/video-input-psnr-ssim.html

And BTW. if using the audio fingerprinting method, as you can see with Shazam or musicbrainz.org seems to be managable from the amount of data.