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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