Apparatus for effectively compressing video data representing a

Details Apparatus for effectively compressing video data representing a Apparatus for effectively compressing video data representing a

1991-01-28

1992-09-15

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Auxiliary signal

358432, H04N 140

Patent

active

051482924

ABSTRACT:
A video data processing apparatus for performing video data compression in which one picture image is divided into a predetermined number of blocks of pixels and video data in each block of pixels are compressed by predetermined processing to thereby reduce the amount of video data representing the image that need be stored in a memory. The processing proceeds by determining if plural blocks consist of the same pixel data and if so, the pixel data for only one block is stored. The pixel data for the other blocks which are not stored but which consist of the same pixel data are obtained by reading out the pixel data of the block which is stored, whereby the amount of data to be stored in a memory is substantially reduced.

REFERENCES:
patent: 4134133 (1979-01-01), Teramura et al.
patent: 4155097 (1979-05-01), Lux
patent: 4951157 (1990-08-01), Koh et al.
patent: 5034968 (1991-07-01), Willey et al.

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