Apparatus for decoding digital video data with small memory requ

Details Apparatus for decoding digital video data with small memory requ Apparatus for decoding digital video data with small memory requ

1992-04-15

1993-03-09

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358133, H04N 712

Patent

active

051930030

ABSTRACT:
A decoding apparatus for receiving data transmitted from transmission equipment which performs subsampling so that a sampling phase is inverted between n frames (n is an integer), converts data subjected to the subsampling into a two-dimensional block structure, generates a discriminating code indicative of detected movement and performs compressing and encoding for the two-dimensional block data. The decoding apparatus comprises a decoding circuit for decoding data and for generating the decoded data, and an adaptive interpolation circuit for interpolating non-transmission data using the actually transmitted data. The interpolation circuit interpolates the non-transmission picture elements, adaptively using transmitted data of the identical frame and an adjacent frame responsively to the discriminating code.

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Frequenz, vol. 42, No. 10, Oct. 1988, Berlin, DE, pp. 284-288: G. Schamel: "Mehrdimensionals Vorfilterung, Rreduktion der Abtastrate und Interpolation von HDTV-Signalen (Teil I)".
Proceedings of the Second International Workshop on Signal Processing of HDTV; L'Aquila, It; Feb. 29-Mar. 2, 1988; North Holland, Amsterdam, NL; L. Contin et al.: "Very Low .lambda.2 Bitrate Coding of HDTV Signals"; pp. 303-308.

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