Image pickup apparatus having a horizontal line interpolation fu

Details Image pickup apparatus having a horizontal line interpolation fu Image pickup apparatus having a horizontal line interpolation fu

1995-06-07

1997-02-11

Metjahic, Safet

Television

Camera, system and detail

With plural image scanning devices

348246, 348358, H04N 909, H04N 904, H04N 5232

Patent

active

056025882

ABSTRACT:
In an image pickup apparatus with a horizontal line interpolation function having a plurality of solid state image pickup elements, three chrominance signals obtained from the plurality of solid state image pickup elements are shifted in vertical phase from one another, whereby when a horizontal interpolation line is synthesized, in the case where the interpolated video signal is viewed as a whole of three chrominance signals (e.g. when a luminance signal synthesized from G, R, and B signals by matrix operation is considered), deterioration in vertical frequency response characteristic can be reduced, and besides deterioration in vertical sharpness of an image can be reduced. Further, by combining a frame signal in a pseudo fashion, a high-quality frame still image can be formed.

REFERENCES:
patent: 3975760 (1976-08-01), Yamanaka et al.
patent: 4322740 (1982-03-01), Takemoto et al.
patent: 4951125 (1990-08-01), Kojima et al.
patent: 5268758 (1993-12-01), Nakayama et al.

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