Symmetric color encoding shift pattern for a solid-state imager

Details Symmetric color encoding shift pattern for a solid-state imager Symmetric color encoding shift pattern for a solid-state imager

1984-07-31

1986-12-16

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 43, H04N 9077, H04N 907

Patent

active

046301054

ABSTRACT:
A color encoding filter is provided for use with a camera having a solid-state imager. The filter comprises a plurality of rows of color filter elements, each row having a sequence of color filter elements which repeats after a predetermined number P of elements, wherein P is greater than or equal to eight (8). Sequential rows of the color filter elements are shifted in the row direction by at least two elements from the preceding row such that the combination of vertically aligned filter elements from adjacent rows provides a sequence of at least two independent color combinations. The color combination sequence repeats after a number of combinations equal to the predetermined number P and has like color combinations symmetrically disposed about one color combination of the color combination sequence. A color signal decoding scheme is also disclosed, which features analog signal processing that makes advantageous use of the color filter symmetry.

REFERENCES:
patent: 4245241 (1981-01-01), Sato et al.
patent: 4330753 (1982-05-01), Davy
White, Marvin H., et al., "Characterization of Surface Channel CCD Image Arrays at Low Light Levels", IEEE Journal of Solid-State Circuits, vol. SC-9, No. 1, Feb. 1974, p. 1.

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