Image analysis – Image compression or coding – Interframe coding
Patent
1996-08-28
1998-08-11
Manouso, Joseph
Image analysis
Image compression or coding
Interframe coding
348407, 382239, G06K 936, G06K 946
Patent
active
057938954
ABSTRACT:
A method and apparatus for compressing video data to improve its tolerance to error, especially with a low bit rate network. With this invention video data is divided into a number of frames and each frame is divided into a number of macroblocks. A dependency count is assigned to each macroblock, and if the dependency count for the macroblock exceeds or is equal to a threshold, the dependency block is intra-coded using low bit rate coding algorithm. If the dependency count is below the threshold, the macroblock is inter-coded.
REFERENCES:
patent: 5136371 (1992-08-01), Savatier et al.
patent: 5260783 (1993-11-01), Dixit
Chang Yuan-Chi
Shae Zon-Yin
Willebeek-LeMair Marc Hubert
Cameron Douglas W.
Drumheller Ronald L.
International Business Machines - Corporation
Johnson Timothy M.
Manouso Joseph
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