IR Technologies … other media 6
Video
- segmentation into shots, difficulties lie with fades and camera motions such as pan and zoom
- select key frames per shot to facilitate browsing as a navigation or search based on keyframe matching (c.f. images) or searching the transcript (c.f. speech)
- Some attempts at higher level organisation but no summarisation or abstraction yet … an active area
- operate by processing at the signal level of pixels or blocks, not objects
- Lots of work on standardisation (MPEG-7)