Image pickup apparatus with horizontal line interpolation functi

Details Image pickup apparatus with horizontal line interpolation functi Image pickup apparatus with horizontal line interpolation functi

1996-03-01

1998-08-25

Burgess, Glenton B.

Television

Camera, system and detail

With plural image scanning devices

348265, 348222, H04N 909

Patent

active

057987920

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:
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patent: 4332740 (1982-06-01), Takemoto et al.
patent: 4951025 (1990-08-01), Kojima et al.
patent: 5099317 (1992-03-01), Takemura
patent: 5268758 (1993-12-01), Nakayama et al.
patent: 5414465 (1995-05-01), Kodama et al.
patent: 5602588 (1997-02-01), Kusaka et al.
EPO Search Report (93916186.5) dated Dec. 27, 1994.

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