Video camera apparatus with electronic zoom control and method t

Details Video camera apparatus with electronic zoom control and method t Video camera apparatus with electronic zoom control and method t

1991-04-23

1993-10-12

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358227, 358209, H04N 3223, H04N 5232

Patent

active

052530647

ABSTRACT:
A video camera apparatus including a control circuit for producing an inverse number of .alpha./.beta. as control data based on an inputted arbitrary zooming ratio of .beta./.alpha.; a sensor for outputting a sensor read signal which has been enlarged by arbitrary magnification in a vertical direction; a sensor drive circuit for driving said solid-state imaging element so as to output a sensor read signal which has been enlarged in the vertical direction by an arbitrary image enlarging magnification of .beta./.alpha. a digital signal processing circuit for separating the sensor read signal derived from the sensor into a luminance signal and a color signal to be outputted therefrom; and, an image processing circuit for receiving both the luminance signal and the color signal separated from the digital signal processing circuit and for performing interpolation in vertical and horizontal directions and also an enlargement in the horizontal direction of every luminance signal and color signal based on the control data .alpha./.beta..

REFERENCES:
patent: 4774581 (1988-09-01), Shiratsuchi
patent: 4792856 (1988-12-01), Shiratsuchi
patent: 4963981 (1991-10-01), Todaka et al.
patent: 4991022 (1991-02-01), Canfield et al.
patent: 5029006 (1991-07-01), Katsumata et al.
patent: 5057723 (1991-10-01), Matsuda
patent: 5083208 (1992-01-01), Hatanaka

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