Encoding and decoding method and apparatus thereof using a varia

Details Encoding and decoding method and apparatus thereof using a varia Encoding and decoding method and apparatus thereof using a varia

1993-06-18

1995-06-27

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348420, H04N 736

Patent

active

054283957

ABSTRACT:
An encoding and decoding system in which video data is partitioned into blocks, each of which has a predetermined dimension, and the partitioned block is encoded and decoded. To suppress blocking artifacts which occur at the boundary portions of the blocks, the positions of the partitioned blocks are slightly altered for every frame and then encoded. Then the encoded video data is variably partitioned and decoded in a similar manner to the encoding procedure. To variably partition a picture, the encoding and decoding systems include an address generator for variably partitioning the blocks in a horizontal direction of the picture, another address generator for variably partitioning the blocks in a vertical direction of the picture, and a sync generator for synchronizing the partitioning of every frame of video data in the encoding and decoding procedures, respectively.

REFERENCES:
patent: 5107348 (1992-04-01), Citta et al.

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