Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1985-05-23
1987-05-05
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 43, H04N 907
Patent
active
046636617
ABSTRACT:
A single sensor video camera includes an optical blurring filter having a known spatial (or frequency) function and a color filter interposed between the blurring filter and an image sensor. The color filter has red and blue filter elements intermingled among a majority of green elements. An accurate estimate of the blurred green light blocked by the non-green elements is recovered by applying the image signal from the sensor to a digital filter and substituting the resultant signal for the missing green portions. The coefficients of the filter are selected in an optimization process that seeks to match the known function of the blurring filter to a like function of the digital filter (as represented by the coefficients). To do this the color filter must be configured to provide at least two green samples on either side of a non-green element.
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Kristy Stephen H.
Weldy John A.
Bauer Robert M.
Eastman Kodak Company
Groody James J.
Woods David M.
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