Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/CYGM_filter> ?p ?o }
Showing triples 1 to 63 of
63
with 100 triples per page.
- CYGM_filter abstract "In 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-color image.CYGM gives more accurate luminance information than the Bayer filter, hence a wider dynamic range, but at the expense of color accuracy. This is because the cyan and yellow components of the colour filter array do not produce a true monochromatic yellow or cyan but are rather modifications of the filters used to absorb 'color'. Under the conventional trichromatic theory, a 'green' measurement is taken by placing a color filter in front of the light sensor that absorbs 'red' and 'blue'. A 'blue' measurement is taken with a 'green' and 'red' filter, and a 'red' measurement with a 'blue' and 'green' filter. RGB is therefore derived by using 2 color filters for each measurement. This means in practice that much of the light that falls upon the sensor array is absorbed by the filters (which typically employ dyes to absorb light within a broad range of wavelengths). The CYGM color filter array differs from the standard Bayer filter by using only a single color filter for 3 of the 4 sensors. This produces a broad spectral response and therefore makes measurements more accurate in respect to luminance (that is, taking measurements of how much light there is) but makes it more difficult to determine color information accurately. While 'green' is unaffected (produced with 2 color filters), color inaccuracy arises from the fact that the red and blue sensors (as found in the standard Bayer filter) are in effect conflated into 'magenta' and 'cyan' sensors. This is shown by a graph of the spectral response of the CYGM sensor.While the CYGM filter found widespread adoption in the early years of digital photography, at the time a rival of the now standard Bayer filter, it is now considered obsolete. CCDs that used it include the 3 megapixel Sony ICX252AK and ICS252AKF (which sampled in October 1999.)CCDs with a CYGM color filter array were initially adopted by both Canon and Nikon when these companies transitioned from film photography to digital. Many Canon models of the 1999-2000 period, such as the PowerShot S10, the Canon Digital IXUS S100 (June 2000), and the Canon PowerShot G1 used sensors with this colour filter arrangement. Whereas Canon adopted the now standard Bayer filter across its entire range when it introduced the DSLR, Nikon continued to produce and sell a range of mid-range enthusiast digital cameras using CYGM sensors for a period of approximately 5 years. From the prominent Nikon Coolpix 995 (still used a decade later in specialist applications like microscopy) to the Nikon Coolpix 5700 (the last Nikon camera to use CYGM).".
- CYGM_filter thumbnail CYGM_pattern.svg?width=300.
- CYGM_filter wikiPageID "5138594".
- CYGM_filter wikiPageLength "4830".
- CYGM_filter wikiPageOutDegree "44".
- CYGM_filter wikiPageRevisionID "620987344".
- CYGM_filter wikiPageWikiLink Bayer_filter.
- CYGM_filter wikiPageWikiLink CYYM_filter.
- CYGM_filter wikiPageWikiLink Canon_Digital_IXUS_S100.
- CYGM_filter wikiPageWikiLink Canon_Inc..
- CYGM_filter wikiPageWikiLink Canon_PowerShot.
- CYGM_filter wikiPageWikiLink Canon_PowerShot_G.
- CYGM_filter wikiPageWikiLink Canon_Powershot_Pro_70.
- CYGM_filter wikiPageWikiLink Canon_Powershot_S10.
- CYGM_filter wikiPageWikiLink Canon_Powershot_S20.
- CYGM_filter wikiPageWikiLink Category:Color_filter_array.
- CYGM_filter wikiPageWikiLink Category:Image_sensors.
- CYGM_filter wikiPageWikiLink Charge-coupled_device.
- CYGM_filter wikiPageWikiLink Color_filter_array.
- CYGM_filter wikiPageWikiLink Cyan.
- CYGM_filter wikiPageWikiLink Demosaicing.
- CYGM_filter wikiPageWikiLink Digital_photography.
- CYGM_filter wikiPageWikiLink Digital_single-lens_reflex_camera.
- CYGM_filter wikiPageWikiLink Dynamic_range.
- CYGM_filter wikiPageWikiLink File:CMYG_sensor_spectral_response.gif.
- CYGM_filter wikiPageWikiLink Foveon_X3_sensor.
- CYGM_filter wikiPageWikiLink Green.
- CYGM_filter wikiPageWikiLink Luminance.
- CYGM_filter wikiPageWikiLink Magenta.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_2500.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_4500.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_5000.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_5400.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_5700.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_775.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_885.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_990.
- CYGM_filter wikiPageWikiLink Nikon_Coolpix_995.
- CYGM_filter wikiPageWikiLink RGBE_filter.
- CYGM_filter wikiPageWikiLink RGB_color_model.
- CYGM_filter wikiPageWikiLink Sony.
- CYGM_filter wikiPageWikiLink Trichromacy.
- CYGM_filter wikiPageWikiLink Yellow.
- CYGM_filter wikiPageWikiLink File:CYGM_pattern.svg.
- CYGM_filter wikiPageWikiLink File:CYGM_pattern_on_sensor.svg.
- CYGM_filter wikiPageWikiLinkText "CYGM filter".
- CYGM_filter wikiPageWikiLinkText "CYGM".
- CYGM_filter wikiPageUsesTemplate Template:Reflist.
- CYGM_filter subject Category:Color_filter_array.
- CYGM_filter subject Category:Image_sensors.
- CYGM_filter hypernym Array.
- CYGM_filter type Place.
- CYGM_filter type Sensor.
- CYGM_filter comment "In 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-color image.CYGM gives more accurate luminance information than the Bayer filter, hence a wider dynamic range, but at the expense of color accuracy.".
- CYGM_filter label "CYGM filter".
- CYGM_filter sameAs Q3819829.
- CYGM_filter sameAs Filtre_CYGM.
- CYGM_filter sameAs Filtro_CYGM.
- CYGM_filter sameAs m.0d4jdl.
- CYGM_filter sameAs Q3819829.
- CYGM_filter wasDerivedFrom CYGM_filter?oldid=620987344.
- CYGM_filter depiction CYGM_pattern.svg.
- CYGM_filter isPrimaryTopicOf CYGM_filter.