Tuesday, March 24, 2015
Ricoh Pixel Shift Exploits Bayer CFA Properties
Imaging Resource: Ricoh reveals pixel shift technology which utilizes Bayer pattern properties to minimize the interpolation artifacts: "Ricoh's special pixel-shift enhancement mode involves shifting the sensor in one-pixel increments up and down and back and forth, so after four exposures, each pixel contains full RGB data. The end image has the same number of megapixels as the sensor itself, but the data is of much higher quality, with no interpolation needed to "fill in" missing color or luminance information."
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It is indeed surprising to see Bayer interpolation being avoided, given how hard it is to commercialize improved Bayer demosaicking algorithms. Most people seem to be content with substandard Bayer interpolation.
ReplyDeleteMost photographers who understand how it reduces their IQ are not and Ricoh understands this.
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