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    • 49. 发明公开
    • PROCEDE ET DISPOSITIF DE MESURE DE LA COULEUR D'UN OBJET
    • VERFAHREN UND VORRICHTUNG ZUR MESSUNG DER FARBE EINES OBJEKTS
    • EP2815218A1
    • 2014-12-24
    • EP13706205.5
    • 2013-02-14
    • Color Grail Research
    • HENNEBELLE, Franck
    • G01J3/50G01J3/02G01J3/12
    • G01N21/255G01J3/0272G01J3/50G01J3/506G01J2003/1282G01N21/4738G01N2201/061H01L27/14601
    • The present invention relates to a method for measuring the uniform diffuse reflectance R
      OBJ (λ) at least at one point on an object (30) using a device (10) comprising a means (11) for emitting color illuminants expressed as luminous flux and an electronic colour image sensor (12). The present invention also relates to a device (10) comprising a means (11) for emitting color illuminants expressed as luminous flux of colors and an electronic colour image sensor (12), for measuring the uniform diffuse reflectance R
      OBJ (λ) at least at one point on an object (30) placed in a zone located opposite and substantially perpendicular to said means (11) for emitting colours and located in the field of vision of said electronic colour image sensor (12) and subjected to an external illuminant expressed as a constant and unknown external environmental luminous flux (40) denoted I
      ext (λ).
    • 本发明涉及一种使用装置(10)至少在物体(30)上的一点处测量均匀漫反射率ROBJ(λ)的方法,该装置包括能够发射以 光通量和电子彩色图像传感器(12)。 本发明还涉及一种装置(10),其包括用于发出表示为颜色的光通量的彩色光源的装置(11)和电子彩色图像传感器(12),用于至少在下述情况下测量均匀的漫反射率ROBJ(λ) 放置在与能够发射颜色并且位于所述电子彩色图像传感器(12)的视野中的所述装置(11)相对且基本垂直的区域中的物体(30)上的一点,并且经受 外部光源表示为恒定和未知的外部环境光通量(40),表示为Iext(λ)。