Low bit rate coder for still and motion images using sub-samplin

Details Low bit rate coder for still and motion images using sub-samplin Low bit rate coder for still and motion images using sub-samplin

1994-05-03

1998-10-27

Tung, Bryan

Television

Bandwidth reduction system

Data rate reduction

348424, H04N 732

Patent

active

058284117

ABSTRACT:
A low bit rate coding apparatus is made up of: a circuit for storing at least a television input signal of a single screen; a circuit for sub-sampling the stored television input signal at a predetermined time period to read out the sub-sampled television input signal; a circuit for coding the read television input signal at a low bit rate; and a circuit in which, after the television input signal of a single screen has been sub-sampled and read out, and the low bit rate coding operation has been carried out, the television input signal is again read out at a different sub-sampling position and low-bit-rate coded.

REFERENCES:
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patent: 4692801 (1987-09-01), Ninomiya et al.
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patent: 5130797 (1992-07-01), Murakami
patent: 5142362 (1992-08-01), Masera et al.

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