Bandwidth reduction system for television signals

Details Bandwidth reduction system for television signals Bandwidth reduction system for television signals

1989-03-07

1990-05-08

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, H04N 712

Patent

active

049243080

ABSTRACT:
A bandwidth reduction system for television signals employs three spatial filter circuits capable of imposing respective resolution characteristics on the signals. The filters are selectively switched into the path of the signals in dependence upon the degrees motion occurring in respective spatial portions of the television picture. A relatively high resolution is allowed where virtually no movement is taking place and a relatively low resolution where rapid movement is taking place. Intermediate resolution is imposed where the degree of motion in a given spatial portion of the television picture is finite but less than said rapid movement.

REFERENCES:
patent: 4785348 (1988-11-01), Fonsalas et al.

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