Apparatus for processing image signals

Details Apparatus for processing image signals Apparatus for processing image signals

H - Electricity

04

N

350/40

H04N 5/20 (2006.01) H04N 5/202 (2006.01) H04N 9/69 (2006.01) H04N 9/76 (2006.01)

Patent

CA 1201799

TITLE OF THE INVENTION APPARATUS FOR PROCESSING IMAGE SIGNALS ABSTRACT OF THE DISCLOSURE There is disclosed an apparatus for processing image signals. This apparatus transduces the image signals from the image sensors in accordance with the non-linear input- output characteristics and outputs the signals thus transduced. In this apparatus, the various tone wedge transducing characteristics can be performed in addition to the tone wedge correction such as the ordinary gamma correction. RAMs and a microcomputer are provided to perform these processings. This apparatus has the func- tions as the chroma-key signal generator and the special effect producing apparatus. Thus, the gradation and the color in the designated area in the screen can be made different from those in the other area. The two- dimensional information such as characteristics and figures, or the like can be mixed or superimposed on the picture in the screen.

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