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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク ColorChecker ： ウィキペディア英語版 ColorChecker The ColorChecker Color Rendition Chart (often referred to by its original name, the Macbeth ColorChecker〔The ColorChecker was originally produced by Macbeth (then a subsidiary of Kollmorgen), which through a series of mergers and acquisitions now belongs to X-Rite.〕 or simply Macbeth chart〔(【引用サイトリンク】url=https://books.google.com/books?id=TsQ04BXw4t4C&pg=PA205 )〕) is a color calibration target consisting of a cardboard-framed arrangement of 24 squares of painted samples. The ColorChecker was introduced in a 1976 paper by McCamy, Marcus, and Davidson in the ''Journal of Applied Photographic Engineering''.〔C. S. McCamy, H. Marcus, and J. G. Davidson (1976). ("A Color-Rendition Chart" ). ''Journal of Applied Photographic Engineering'' 2(3). 95–99.〕 The chart’s color patches have spectral reflectances intended to mimic those of natural objects such as human skin, foliage, and flowers, to have consistent color appearance under a variety of lighting conditions, especially as detected by typical color photographic film, and to be stable over time. == Design == The ColorChecker chart is a rectangular card measuring about , or in its original incarnation about , an aspect ratio approximately the same as that of 35 mm film.〔Charles Poynton (2008). ("ColorChecker (‘Macbeth’) Chart" ). poynton.com〕 It includes 24 patches in a 4 × 6 grid, each slightly under square, made of matte paint applied to smooth paper, and surrounded by a black border. Six of the patches form a uniform gray lightness scale, and another six are primary colors typical of chemical photographic processes – red, green, blue, cyan, magenta, and yellow. The remaining colors include approximations of medium light and medium dark human skin, blue sky, the front of a typical leaf, and a blue chicory flower. The rest were chosen arbitrarily to represent a gamut "of general interest and utility for test purposes", though the orange and yellow patches are similarly colored to typical oranges and lemons.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ColorChecker」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.