A daban-daban RGB launi?

Jima ko daga baya, kusan kowa da kowa dandana talakawan kwamfuta mai amfani da akwai bukatar gane abin da yake cikin launi model. Wannan bayani ne ma amfani fadada cikin sãsanni.

Saboda haka, a karkashin launi model ne fiye gane irin wannan m abu, a cikin abin da kowane launi da aka wakilta wani sa na lambobin. Shin wannan irin model, ba shakka, yana da halaye da kuma kasawan. Launi model ne sau da yawa hade da harshe. Alal misali, kalmar nan "tebur" da aka rubuta a duk harsuna, da kuma sauti daban-daban, amma na ginin jumla kaya kadai.

Ya kamata a lura da cewa a yau akwai da yawa bambancin da launi model, amma a cikin wannan labarin, za mu duba kawai RGB launi.

labarin

A 1861, Maxwell sanya wani ban sha'awa shawara don amfani cikin wani hanya domin samar da wani al'ada launi image, wanda daga baya ya zama shirokoizvesten matsayin "ƙari Fusion launuka." Yana da aka dauka don nufin al'ada Fusion launuka karkashin ƙari launi tsarin ta ƙara kowane to black. A ƙari tsarin da aka yanaye kasu kashi perceptual da hardware-dogara.

Tuni a shekarar 1931 da RGB launi tsarin da aka samu nasarar daidaita. a kan ɗaukar hoto na kasa da kasa hukumar ta dauka da launi sarari "CIE 1931 XYZ", wanda aka dauke da tushe ga wannan rana.

Da farko, mun lura cewa da launuka a cikin RGB model ne daya daga cikin rare a wannan lokacin. A wannan model, da RGB launuka suna gani ta hanyar Prism na uku na asali launuka: ja (Red), blue (Blue) da kuma kore (Green). Duk da haka, akwai biyu jinsin iri wannan model: takwas-bit model, wanda na ƙayyade yawan launuka a cikin kewayon daga 0 zuwa 256, da kuma shestnadtsatibitnaya inda RGB launi kafa wani lambobi, amma daga 0 to JJu.

Babban bambancin data model ne cewa a cikin tsohon yanayin, domin kowane tushe (main) launi daban-daban daga cikin sauran amfani mai raba sikelin, kuma a karo na biyu version - kai tsaye gabatar ya dafa.

RGB launi model alama ne da cewa akwai wani sabon launi da aka samu ta hanyar kara tabarau riga samuwa farko launuka, watau, akwai su bi da bi "hadawa".

Yana da muhimmanci a lura da cewa wannan model ne sau da yawa amfani da lamba tsari, amma ba na gani. Bugu da ƙari, na gani search amfani da dama daban-daban launi model. The abu ne cewa, na gani RGB launi model ne a kananan shigen sukari a cikin uku girma, wanda ba m isa ya yi amfani a wurin aiki, misali, a shirye-shiryen, ko zanen.

Hakika, a cikin wannan model, RGB yana da nasa drawbacks. A mafi muhimmanci - da dogaro da na yanzu hardware mai amfani. The abu ne cewa, wannan image a kan daban-daban a yanki iya duba daban-daban (daban-daban quality). Kowane duba yana amfani da abin da ake kira phosphor - shi ne na musamman abu wanda sabobin tuba cikin tunawa da makamashi a cikin saba haske watsi da haka, cewa, ingancin abu da kuma zai dogara ne a kan baya nuna image.