Basic HTML version of Foils prepared April 13 98

Foil 7 Technology Video Compression

From Multiplatform Desktop Videoconferencing System for Internet Defense of 5 CIS Master's Theses -- Dec 15 1997. by Tom Stachowiak
ITU-T H.261 algorithm
  • Discrete Cosine Transform (DCT) coding technique
  • uses two video compression methods
    • spatial redundancy removal (every frame)
    • temporal redundancy removal (INTER frames)
  • two types of frames
    • INTRA - coded independently
    • INTER - predicted coding based on the previous frame

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