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CYGM filter
Additional recommended knowledgeIn digital photography, the CYGM filter is an alternative color filter array to the Bayer filter (GRGB). It similarly uses a mosaic of pixel filters, of cyan, yellow, green and magenta, and so also requires demosaicing to produce a full-colour image. CYGM gives more accurate luminance information than the Bayer filter, hence a wider dynamic range, but at the expense of colour accuracy. The CYGM filter is far less common than the Bayer filter. CCDs that use it include the 3 megapixel Sony ICX252AK and ICS252AKF (which sampled in October 1999[1]). Cameras that use it include several Canon models of the 1999-2000 period, such as the Canon PowerShot S10[2], the original Canon Digital IXUS (June 2000)[3], though subsequent IXUS models used the Bayer filter, and the Canon G1; the Kodak DCS 620x and DCS 720x DSLRs, and several Nikon Coolpix models[4]. References
Categories: Image sensors | Color filter array |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "CYGM_filter". A list of authors is available in Wikipedia. |