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Color filter array interpolation<br />
◮ typical digital cameras use only one CCD / CMOS sensor<br />
and a color filter array (CFA) to capture full-color images<br />
◮ missing color information is estimated from surrounding<br />
genuine elements in the raw image<br />
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RAW image full-color image<br />
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CFA interpolation / demosaicing<br />
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demosaiced images<br />
exhibit specific inter-pixel<br />
correlation artifacts<br />
Gloe & Kirchner Digital Image Forensics slide 36