- 专利标题： Color tone quantification device for glossy color, color tone measurement device for glossy color and color tone quantification method for glossy color
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申请号： US16977650申请日： 2019-03-15
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公开(公告)号： US11209360B2公开(公告)日： 2021-12-28
- 发明人: Takumi Ishiwata , Kishio Tamura
- 申请人： Konica Minolta, Inc.
- 申请人地址： JP Tokyo
- 专利权人： Konica Minolta, Inc.
- 当前专利权人： Konica Minolta, Inc.
- 当前专利权人地址： JP Tokyo
- 代理机构： BakerHostetler
- 优先权： JPJP2018-049580 20180316
- 国际申请： PCT/JP2019/010870 WO 20190315
- 国际公布： WO2019/177153 WO 20190919
- 主分类号： G01N21/57
- IPC分类号： G01N21/57 ; G01J3/50 ; G01N21/27
摘要：
A color tone quantification device for a glossy color, in which the correlation with the color tone of the glossy color visually perceived by humans is further enhanced, is provided. The device comprises a coefficient calculation unit that calculates a coefficient calculated in consideration of a spatial distribution which is to be used to correct the chromaticity measured by a method including a specular reflection component obtained by measuring the reflection light obtained by reflection of measurement light to an area of an object; a chromaticity calculation unit that calculates an effective chromaticity obtained by weighting the chromaticity measured by the method including the specular reflection component with the coefficient calculated by the coefficient calculation unit; and an output unit that outputs the effective chromaticity as a stimulus value representing a glossy color of the area in a color space.
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