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热词
    • 2. 发明授权
    • Method and circuit for recognition of colors
    • 用于识别颜色的方法和电路
    • US4414635A
    • 1983-11-08
    • US324615
    • 1981-11-24
    • Uwe GastEggert JungFranz KuhnKlaus MollgaardFriedrich RedeckerUlrich SendtkoRudiger SommerKlaus WellendorfHans-Georg Knop
    • Uwe GastEggert JungFranz KuhnKlaus MollgaardFriedrich RedeckerUlrich SendtkoRudiger SommerKlaus WellendorfHans-Georg Knop
    • G01J3/46H04N1/62G01J3/50G06F15/20
    • G01J3/46G01J3/462H04N1/62G01J2003/466G01J3/513
    • An apparatus and a method for the recognition of colors on a colored image illuminated with a light source of a known spectrum composition, wherein the intensities of three primary colors are measured opto-electronically as color components, which represent the spatial co-ordinates of the color locations in a color space. Prior to color recognition the color components of at least one characteristic test point in each color or color region, which is to be recognized, are measured and noted. The test color components represent the corresponding test color locations in the color space. An identification symbol is assigned to each color component triplet of the test points and noted too. The plurality of color locations in the color space are associated automatically with identification symbols in dependence their respective positions with respect to a spatially close-by test color location, whereby all color locations associated with the same identification symbol appertains to one color recognition region within the color space. Then the colored image is scanned opto-electronically for actual color recognition and the color components thereby obtained are compared with the color components noted, and in case of correspondence, the corrresponding assigned identification symbol is read out, whereby the color components of the colors are verified regarding their correspondence to one of the defined color recognition regions of the color space.
    • 用于识别用已知光谱组合物的光源照射的彩色图像上的颜色的装置和方法,其中三原色的强度以光电方式测量为颜色成分,其表示所述颜色的空间坐标 颜色空间中的颜色位置。 在颜色识别之前,测量并记录要识别的每个颜色或颜色区域中的至少一个特征测试点的颜色分量。 测试颜色分量表示颜色空间中相应的测试颜色位置。 识别符号被分配给测试点的每个颜色分量三元组,并且也被注明。 颜色空间中的多个颜色位置相对于其相对于空间上靠近的测试颜色位置的相应位置而与识别符号自动相关联,由此与相同识别符号相关联的所有颜色位置对应于所述颜色识别区域内的一个颜色识别区域 颜色空间。 然后将彩色图像以光电方式扫描以进行实际颜色识别,并将由此获得的颜色分量与所注明的颜色分量进行比较,并且在对应的情况下,读出相应的分配的识别符号,由此颜色的颜色分量为 验证其与颜色空间的所定义的颜色识别区域之一的对应关系。