A computer data signal embodied in a carrier wave, the computer data signal, when processed by a computer, creating a video image editing system comprising:
- means for inputting a video image into the computer, the video image including a plurality of frames grouped into a plurality of video image sections, each of the video image sections including a plurality of the frames of the video image;
- means for displaying the video image on a screen;
- means for accepting a command designating one of the frames of the video image displayed on the screen;
- and
- means for detecting at least one of a head frame and a tail frame of a video image section including the designated frame of the video image based on a feature of the frames of the video image.