Device for generating a luminance signal from a single field

Details Device for generating a luminance signal from a single field Device for generating a luminance signal from a single field

1995-04-06

1998-04-28

Faile, Andrew

Television

Camera, system and detail

Combined image signal generator and general image signal...

348264, 348273, 348279, H04N 968, H04N 5247, H04N 904

Patent

active

057451710

ABSTRACT:
A luminance signal generating device having two CCDs on which complementary color filters are provided. Each color filter includes a matrix arrangement in which color filter elements for passing magenta, green, yellow and cyan light are arranged in a regular manner. If a first field is read from the CCDs, magenta (Mg) and Green (G) pixel signals of odd-numbered rows are read from the first CCD, and yellow (Ye) and cyan (Cy) pixel signals of even-numbered rows are read from the second CCD. If a second field is read from the CCDs, yellow (Ye) and cyan (Cy) pixel signals of even-numbered rows are read from the first CCD, and magenta (Mg) and green (G) pixel signals of odd-numbered rows are read from the second CCD. Four pixel signals (Mg, G, Ye, Cy) from optically adjacent pixels are added to each other to obtain a luminance signal.

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patent: 5543837 (1996-08-01), Aoki et al.
patent: 5648817 (1997-07-01), Aoki et al.

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