Color television signal processing apparatus

Details Color television signal processing apparatus Color television signal processing apparatus

1981-03-31

1983-07-19

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 9535

Patent

active

043946801

ABSTRACT:
A novel color television signal processing apparatus which is capable of producing a keying signal (soft key signal) with gradation usable for such signal processing as detecting portions with a specified color in a first composite color television signal and inserting a second color television signal in the detected portions, and is capable of processing line (encoded) and soft chromakey operations by producing a soft chromakey signal from a composite color image signal made by, e.g. NTSC system, and further enables efficient image mixing operations by sampling color television signals or using stored data of three color signal components and obtaining a keying signal with high precision in digital signal processing.

REFERENCES:
patent: 4122490 (1978-10-01), Lish

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