Image synthesizing apparatus

Details Image synthesizing apparatus Image synthesizing apparatus

1981-11-23

1984-03-27

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358183, H04N 9535, H04N 522

Patent

active

044397836

ABSTRACT:
An image synthesizing apparatus is disclosed which can be used for extracting a portion of one image signal and inserting a portion of another image signal into the extracted part. An extraction signal is obtained by following the brightness level of the latter image signal and the level of the extraction signal is varied by a variable amplitude control signal which varies in response to a variation of the scan domain on the screen surface of a camera which generates the former image signal. As a result, when the scan domain on the screen surface of the camera is varied, a proper image synthesis can always be obtained.

REFERENCES:
patent: 4266242 (1981-05-01), McCoy

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