Waveform data compression apparatus

Details Waveform data compression apparatus Waveform data compression apparatus

1995-09-14

1998-03-10

Couso, Jose L.

Image analysis

Image compression or coding

G06K 936

Patent

active

057270856

ABSTRACT:
In an APC system waveform dam compression apparatus which generates an optimum prediction coefficient utilizing a block calculation process in a first mode and generating prediction data utilizing a block calculation process based on this optimum prediction coefficient in a second mode with respect to a fixed number of blocked waveform data, to make possible use of suitable data in the first prediction calculation process of each block calculation process. A data holding section for holding data corresponding to at least final first waveform data to be used in a final prediction calculation process of a block calculation process in a second mode, and a first selection section for using data held in the data holding section in place of data memorized in a second delay section in each first prediction calculation process of each block calculation process of the next block are provided in an operating circuit.

REFERENCES:
patent: 5054103 (1991-10-01), Yasuda et al.
patent: 5117287 (1992-05-01), Koike et al.
patent: 5500907 (1996-03-01), Kunitake et al.
patent: 5557800 (1996-09-01), Kasimov et al.
patent: 5598484 (1997-01-01), Suzuki et al.

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