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    • 44. 发明专利
    • Colorimetry apparatus, imaging apparatus, recording apparatus, colorimetry method, and program
    • 彩色装置,成像装置,记录装置,颜色方法和程序
    • JP2012209939A
    • 2012-10-25
    • JP2012040745
    • 2012-02-27
    • Ricoh Co Ltd株式会社リコー
    • SATO NOBUYUKI
    • H04N1/46B41J2/525G06T1/00H04N1/04H04N1/60
    • G01J3/021G01J3/0208G01J3/0248G01J3/462G01J3/50G01J3/524
    • PROBLEM TO BE SOLVED: To enhance colorimetric accuracy inexpensively and easily.SOLUTION: A colorimetry apparatus includes: a storage section 56 for storing a plurality of colors constituting a reference chart as predetermined color space colorimetric values independent of a device; an imaging section 42 for obtaining an RGB value of the reference chart and an RGB value of an object by concurrently imaging the reference chart and the object as a colorimetric target; an RGB value retrieval section 534 for retrieving RGB values of at least four points of the reference chart constituting an apex of a polyhedron including the RGB value of the object in an RGB color space; a linear matrix calculation section 535 for calculating a linear conversion matrix that converts the RGB values of the four points of the reference chart to the colorimetric values stored in the storage section 56 corresponding to the RGB values of the four points; and a colorimetric value calculation section 531 for converting the RGB value of the object to a colorimetric value corresponding to the RGB value of the object in a predetermined color space.
    • 要解决的问题:提高比色精度,价格便宜。 测色装置包括:存储部分56,用于将构成参考图表的多种颜色存储为独立于设备的预定颜色空间色度值; 用于通过将参考图和对象同时成像为比色目标来获得参考图的RGB值和对象的RGB值的成像部42; RGB值检索部分534,用于检索构成包含RGB颜色空间中的对象的RGB值的多面体的顶点的参考图的至少四个点的RGB值; 线性矩阵计算部分535,用于计算将参考图表的四个点的RGB值转换为存储在存储部分56中的对应于四个点的RGB值的色度值的线性转换矩阵; 以及比色值计算部分531,用于将对象的RGB值转换成与预定颜色空间中的对象的RGB值对应的比色值。 版权所有(C)2013,JPO&INPIT
    • 49. 发明专利
    • Dental color analysis device
    • 牙科颜色分析装置
    • JP2010276608A
    • 2010-12-09
    • JP2010123635
    • 2010-05-29
    • Ivoclar Vivadent Agイボクラール ビバデント アクチェンゲゼルシャフト
    • ROHNER GOTTFRIEDDIETHARD BERTSCHBROTZGE MICHAEL
    • G01J3/52
    • G01J3/02G01J3/0264G01J3/46G01J3/463G01J3/50
    • PROBLEM TO BE SOLVED: To provide a dental color analysis device that achieves a harmonic repairing function, is easily handled, and especially has low manufacturing cost. SOLUTION: At least one first image section showing a reference object, and at least one second image section displaying a tooth, a tooth region or a gum section can be detected using a computer device. The reference object is attached to the tooth, especially stuck to it, and has a size smaller than that of a tooth of display. The reference object is dental color keys that are arranged sequentially and include color samples showing the dental colors, respectively. A color of the second, especially selectable image section can be compared with a display color sample using the computer device so that the color sample which most matches the color of the second image section is displayed on a display. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供实现谐波修复功能的牙科颜色分析装置,容易处理,特别是制造成本低。 解决方案:可以使用计算机设备检测示出参考对象的至少一个第一图像部分和显示牙齿,牙齿区域或牙龈部分的至少一个第二图像部分。 参考对象被附着到牙齿上,特别是粘在其上,并且具有小于显示器齿的尺寸。 参考对象是顺序布置的牙科颜色键,并且分别包括显示牙科颜色的颜色样本。 可以将第二,特别是可选择的图像部分的颜色与使用计算机设备的显示颜色样本进行比较,使得与显示器上显示最匹配第二图像部分的颜色的颜色样本。 版权所有(C)2011,JPO&INPIT