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CS 450: Video includes about Storing Video; Key Frames; Motion; Predictive Encoding Using Motion Prediction; MPEG; MPEG Frame Types; Other Video Compression Standards and some thing elses. | CS 450 Video 1 Storing Video Simplest Store fully-encoded frames 2-D images as a sequence. Better Individually compress each frame. Still Better Take advantage of interframe redundancy. Simple frame subtraction and encode compress the difference. Delta frames CS 450 Video 2 Key Frames Problem with delta frames what if you drop miss corrupt a frame during transmission random access Solution Encode every n-th frame fully and encode intermediate frames as deltas. CS 450 Video 3 _Motioy Frame subtraction has problems with motion object movement panning zoom etc. An object may be consistent but moving how to take advantage of this redundancy Solution motion prediction .
