Coding method for coding pixel blocks and apparatus therefor

Facsimile and static presentation processing – Facsimile – Auxiliary signal

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358432, H04N 1415

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active

055923020

ABSTRACT:
An amount of data coded in the past is detected at a prescribed period. Criteria for deciding whether a pixel block of interest is to be coded by processing for motion-compensated coding of interframe difference, processing for coding of interframe difference without motion compensation or processing for intraframe coding are adjusted based upon the amount of code detected.

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Achhammer, et al., "Videophone and Audiovisual Workstation with p x 64 kbit/s for new applications," PTR Philips Telecommunication Review, vol. 49, No. 3 (Sep. 1991), pp. 52-57.
Holzlwimmer, et al., "A New Hybrid Coding Technique for Videoconference Applications at 2 Moit/s," Proceedings of Second International Technical Symposium on Optical and Electrooptical Applied Science and Engineering, SPIE, vol. 594, Image Coding (1985), pp. 250-259.
"Draft Revision of Recommendation H.261: Video Codec for Audiovisual Services at p x 64 kbit/s," Signal Processing: Image Communication, vol. 2 (1990), pp. 221-239.

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