Single-chip electronic color camera with color-dependent birefri

Details Single-chip electronic color camera with color-dependent birefri Single-chip electronic color camera with color-dependent birefri

1984-09-10

1986-08-12

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 55, H04N 9077, H04N 907

Patent

active

046059563

ABSTRACT:
An electronic color camera having a single-chip solid state color image sensor, includes a color dependent birefringent spatial filter that deflects red and blue light from portions of an image sampled by the neighboring green sensitive image sensing elements onto red and blue sensitive image sensing elements. Signal processing electronics produces interpolated red and blue signal values by forming red and blue hue component values at the red and blue sampling locations, interpolating the hue component values, and producing the interpolated red and blue values as a function of the interpolated hue component values, and green signal values at the interpolation locations. As a result, color fringes at monochrome edges are completely eliminated, and are substantially reduced at colored edges.

REFERENCES:
patent: 3588224 (1971-06-01), Pritchard
patent: 3696202 (1972-10-01), Mori et al.
patent: 4176373 (1979-11-01), Dillon et al.

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