{"id":1019,"date":"2014-08-01T01:43:22","date_gmt":"2014-07-31T23:43:22","guid":{"rendered":"http:\/\/www.proof.de\/?post_type=encyclopedia&p=1019"},"modified":"2022-03-15T12:05:22","modified_gmt":"2022-03-15T11:05:22","slug":"multispektralni","status":"publish","type":"encyclopedia","link":"https:\/\/proof.proofen.de\/cs\/lexikon\/multispektralni\/","title":{"rendered":"multispektr\u00e1ln\u00ed"},"content":{"rendered":"
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\n Hodnotit nyn\u00ed<\/span>\n <\/div>\n <\/div>\n

Aby bylo mo\u017en\u00e9 p\u0159esn\u011bji popsat barvy a l\u00e9pe vylou\u010dit metamerismus<\/a>, je m\u011b\u0159en\u00ed barev<\/a> st\u00e1le \u010dast\u011bji prov\u00e1d\u00ed nejen pomoc\u00ed barvom\u011br\u016f<\/a>, kter\u00e9 m\u011b\u0159\u00ed bod v trojrozm\u011brn\u00e9m laborato\u0159<\/a> barevn\u00e9ho prostoru<\/a>, ale prost\u0159ednictv\u00edm spektr\u00e1ln\u00edho m\u011b\u0159en\u00ed, tj. z\u00e1znamu kompletn\u00edho vyza\u0159ov\u00e1n\u00edspektrum<\/a> nebo spektrum odrazivosti barvy.<\/p>\n

Tato technologie se pou\u017e\u00edv\u00e1 tak\u00e9 ve fotoapar\u00e1tech. Dnes ji\u017e nelze sn\u00edmky po\u0159izovat pouze v RGB<\/a>, ale d\u00edky syst\u00e9m\u016fm, jako je Can:View, lze sn\u00edmky s 11 miliony pixel\u016f fotografovat v 16 jednotliv\u00fdch spektrech mezi 400 a 700 nm. Ka\u017ed\u00fd z t\u011bchto pixel\u016f je tedy spektr\u00e1ln\u011b defi<\/a>ov\u00e1n.<\/p>\n

Pro retu\u0161ov\u00e1n\u00ed lze pou\u017e\u00edt typ sv\u011btla, jako je D50<\/a> nebo D65<\/a> lze definovat a - proto\u017ee je zn\u00e1mo spektrum osv\u011btlovac\u00edho t\u011blesa - sn\u00edmek lze jednodu\u0161e p\u0159ipravit pro po\u017eadovan\u00e9 standardn\u00ed sv\u011btlo<\/a> z multispektr\u00e1ln\u00edch dat kliknut\u00edm my\u0161i pro retu\u0161ov\u00e1n\u00ed.<\/p>\n

V sou\u010dasn\u00e9 dob\u011b je na trhu kompletn\u00ed syst\u00e9m Can:View a Can:Scan, s n\u00edm\u017e lze po\u0159izovat a d\u00e1le zpracov\u00e1vat multispektr\u00e1ln\u00ed fotografie. Mimo v\u00fdrobce katalog\u016f a m\u00f3dn\u00ed firmy se v\u0161ak tato technologie zat\u00edm nedostala na \u0161irok\u00fd trh.<\/p>","protected":false},"excerpt":{"rendered":"

Aby bylo mo\u017en\u00e9 p\u0159esn\u011bji popsat barvy, jsou vzorky l\u00e1tek a v\u00fdrobk\u016f st\u00e1le \u010dast\u011bji fotografov\u00e1ny multispektr\u00e1ln\u011b. Pro ka\u017ed\u00fd pixel objektu je definov\u00e1na nejen hodnota v RGB nebo Lab, ale tak\u00e9 p\u0159esn\u00e9 barevn\u00e9 spektrum. Tato multispektr\u00e1ln\u00ed data lze pak flexibiln\u011b p\u0159ipravit pro jak\u00e9koli sv\u011bteln\u00e9 podm\u00ednky.<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-1019","encyclopedia","type-encyclopedia","status-publish","hentry","no-featured-image-padding"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t