Video compression using an iterative correction data coding meth

Details Video compression using an iterative correction data coding meth Video compression using an iterative correction data coding meth

1997-07-22

1998-09-22

Tung, Bryan S.

Television

Bandwidth reduction system

Data rate reduction

348420, H04N 732

Patent

active

058121951

ABSTRACT:
An adaptive system and method for data storage and communication which is primarily used for the storage and transmission of large volumes of data, especially video data, over band-limited communication channels. The video coder of the system uses a prediction video signal which is subtracted from the input image to define a processing region in which image blocks of predetermined dimensions have large prediction error. The prediction image is successively improved by iteratively processing large error image blocks until the error is reduced below a predetermined threshold. At different processing iterations and image blocks, different compression techniques can be used to improve the overall system efficiency.

REFERENCES:
patent: 5025482 (1991-06-01), Murakami et al.
patent: 5113255 (1992-05-01), Nagata et al.
patent: 5241395 (1993-08-01), Chen
patent: 5337087 (1994-08-01), Mishima
patent: 5444489 (1995-08-01), Truong et al.

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