05764921 is referenced by 19 patents and cites 5 patents.

A method (100, 200), device (300) and microprocessor (400) are provided for selectively compressing video frames of a motion compensated prediction-based video codec based on a predetermined set of compression techniques. An energy estimate of the current displaced frame difference, DFD, is used to compute a ratio between the estimate and a historical mean of energy estimates. The ratio is iteratively compared to a predetermined set of thresholds which are associated with the predetermined set of compression techniques. The comparisons are used to choose a technique based on the thresholds, and a technique is selected to be used for encoding the current DFD.

Title
Method, device and microprocessor for selectively compressing video frames of a motion compensated prediction-based video codec
Application Number
8/548776
Publication Number
5764921
Application Date
October 26, 1995
Publication Date
June 9, 1998
Inventor
Guido M Schuster
Evanston
IL, US
Aggelos K Katsaggelos
Chicago
IL, US
Stephen N Levine
Itasca
IL, US
James C Brailean
Park Ridge
IL, US
Mark R Banham
Arlington Heights
IL, US
Agent
Darleen J Stockley
Assignee
Northwestern University
IL, US
Motorola
IL, US
IPC
H04N 1/417
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