Embedding quantization system for vector signals

Details Embedding quantization system for vector signals Embedding quantization system for vector signals

1984-07-30

1987-01-27

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, 358 13, H04N 713

Patent

active

046397787

ABSTRACT:
The DPCM (differential pulse code modulation) for color television signal transmission has been improved both in picture quality and information compression, by a vector signal quantization called embedding quantization. According to the present invention, vector signal comprising a plurality of elements is quantized while the quantized output signal is obtained after a plurality of quantization and prediction operations. Number of repetition times of the quantization and prediction is for instance equal to the number of elements composing vector signal. A vector is for instance composed of three elements relating to red, green, and blue primary signals of a color television signal.

REFERENCES:
patent: 3984626 (1976-10-01), Mounts et al.
patent: 4125861 (1978-11-01), Mounts et al.
patent: 4467346 (1984-08-01), Mori
patent: 4517596 (1985-05-01), Suzuki
"Predicitive Quanitizing Systems for the Transmission of Television Signals" in Bell System Technical Journal, May-Jun. 1966, pp. 689-721.

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