Moving picture coding and/or decoding systems, and variable-leng

Details Moving picture coding and/or decoding systems, and variable-leng Moving picture coding and/or decoding systems, and variable-leng

1996-03-15

1998-12-22

Chin, Tommy P.

Television

Bandwidth reduction system

348466, 348419, 341 67, 341 82, H04N 718, H03M 1300

Patent

active

058524690

ABSTRACT:
A moving picture coding and/or decoding system includes a encoder for coding input image data, a divider for dividing a code string supplied from the encoder, into a plurality of code string, a reorderer for arranging at least one of the plurality of code string in the forward direction from the head to the end, and at least one of the other code string in the backward direction from the head to the end. A variable-length coding system includes a code-word table for storing a plurality of code words so that the code words correspond to source symbols, and an encoder for selecting a code word corresponding to the source symbol inputted from the code-word table and for outputting the selected code word as coded data. The plurality of code words can be decoded in either of the forward and backward directions. The plurality of code words are configured so that the pause between codes can be detected by a predetermined weight of the code word (in the case of a binary code, the number of "1" or "0" in the code word).

REFERENCES:
patent: 5302949 (1994-04-01), Yoshinari et al.
patent: 5392037 (1995-02-01), Kato
patent: 5469273 (1995-11-01), Demura
patent: 5488616 (1996-01-01), Takishima
patent: 5563593 (1996-10-01), Puri
patent: 5625356 (1997-04-01), Lee et al.

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