Method of quantizing, coding and transmitting a digital video si

Details Method of quantizing, coding and transmitting a digital video si Method of quantizing, coding and transmitting a digital video si

1991-07-10

1993-11-02

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358136, H04N 713

Patent

active

052588351

ABSTRACT:
A method of coding a digital video signal is characterized by forming a block by grouping together a specific number of pixels from an input digital video signal, setting a quantizing level consisting of a number of levels less than a number of levels determined by a data word length of pixel in every block, quantizing, coding and transmitting the plural pieces of pixel data in each block, and transmitting by coding by combining together at least two pieces of side information necessary for determining the quantizing level in each block.

REFERENCES:
patent: 4703352 (1987-10-01), Kondo
patent: 5021879 (1991-06-01), Vogel
"Adaptive Dynamic Range Coding", A Bit Rate Reduction Method of Television Signals, Tetsujiro KONDO, Sony Corporation, pp. 23-30.
"Still Picture Compression Algorithms Evaluated for International Standardisation", Alain Leger, et al., 1988, IEEE, pp. 1028-1032.

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