Television – Bandwidth reduction system – Data rate reduction
Patent
1994-01-26
1997-01-07
Chin, Tommy P.
Television
Bandwidth reduction system
Data rate reduction
348407, 348416, 348402, 348700, H04N 730, H04N 732
Patent
active
055922260
ABSTRACT:
In a system for compressing video data, temporally adaptive motion interpolation based upon temporal characteristics of human vision is used for establishing threshold levels relative to the degree of motion as a whole (global motion) between frames. The global motion between successive frames in a group of pictures (GOP) is measured to determine if the motion is less or greater than the established threshold levels for determining the designation of I, P, and B frames, spacing between I and P reference frames, and the number of bits used for each frame, and B frames therebetween.
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Dickinson Bradley W.
Lee Jung-woo
BTG USA Inc.
Chin Tommy P.
Le Vu
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