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    • 2. 发明公开
    • System and method for applying correction factors related to ambient conditions
    • 系统与Verfahren zur Anwendung von Korrekturfaktoren在Bezug auf Umgebungsbedingungen
    • EP1719989A2
    • 2006-11-08
    • EP06003032.7
    • 2006-02-15
    • GretagMacbeth, LLC
    • Lianza, Thomas A.Frederico, Richard A.Lutz, Carl D.
    • G01J3/02G01J3/51G01N21/25
    • G09G3/2003G01J3/02G01J3/0256G01J3/0262G01J3/0264G01J3/0267G01J3/0272G01J3/0291G01J3/465G01J3/51G01J3/513G01J3/524G09G5/02G09G2320/0673G09G2320/0693G09G2360/144G09G2360/145
    • A method and system for effecting an appearance model correction for a display unit, e.g., a CRT, using a polynomial-based algorithm is described. The correction may be effected in real time and is based on gamma values associated with the display. Strong correlations with the CIECAM02 specification are achieved according to the present disclosure. The correction functionality may be implemented using a colorimeter that includes a plurality of sensors/filter systems with non overlappng spectral responses, adequate for providing data capable of translation into standard coordinates system such as, CIE XYZ, CIE L* a* b*, or CIE Luv, as well as non-standard operable coordinate systems. The field of view of the colorimeter is chosen to closely track the response of the human eye using an optical path configured to select and limit the field of view in a manner that is insensitive to placement of the colorimeter on the source image. The optical path from the source image to the sensor is configured to select preferred light rays while rejecting undesirable light rays to maximize the signal/noise ratio. A rearward facing sensor channel is included to simultaneously measure ambient light impinging on the source image and feedback means to provide status and/or change of information.
    • 描述了使用基于多项式的算法对诸如CRT的显示单元进行外观模型校正的方法和系统。 校正可以实时地实现,并且基于与显示相关联的伽马值。 根据本公开实现了与CIECAM02规范的强相关性。 校正功能可以使用包括具有非叠加光谱响应的多个传感器/滤波器系统的色度计来实现,该传感器/滤波器系统足以提供能够转换成标准坐标系统的数据,诸如CIE XYZ,CIE L * a * b *或 CIE Luv,以及非标准可操作的坐标系。 选择色度计的视野以使用配置成以对色度计放置在源图像上不敏感的方式选择和限制视场的光路来密切跟踪人眼的响应。 从源图像到传感器的光路被配置为选择优选的光线,同时抑制不期望的光线以使信号/噪声比最大化。 包括向后的传感器通道以同时测量照射在源图像上的环境光和反馈装置以提供信息的状态和/或变化。
    • 6. 发明公开
    • Method and apparatus for improved colorimetry
    • Verfahren und Vorrichtungfürverbesserte Kolorimetrie
    • EP1643224A2
    • 2006-04-05
    • EP05021441.0
    • 2005-09-30
    • GretagMacbeth, LLC
    • Lianza, Thomas A.Federico, Richard A.Lutz, Carl D.
    • G01J3/02G01J3/51G01N21/25
    • G01J3/46G01J3/02G01J3/0291
    • A colorimeter method and apparatus is described. The colorimeter includes a plurality of sensors/filter systems with non overlapping spectral responses, adequate for providing data capable of translation into standard coordinates system such as, CIE XYZ, CIE L* a* b*, or CIE Luv, as well as non-standard operable coordinate systems. The field of view of the colorimeter is chosen to closely track the response of the human eye using an optical path configured to select and limit the field of view in a manner that is insensitive to placement of the colorimeter on the source image. The optical path from the source image to the sensor is configured to select preferred light rays while rejecting undesirable light rays to maximize the signal/noise ratio. A rearward facing sensor channel is included to simultaneously measure ambient light impinging on the source image and feedback means to provide status and/or change of information.
    • 描述了色度计的方法和装置。 色度计包括具有非重叠光谱响应的多个传感器/滤波器系统,足以提供能够转换成诸如CIE XYZ,CIE L * a * b *或CIE Luv的标准坐标系统的数据, 标准可操作的坐标系。 选择色度计的视野以使用配置成以对色度计放置在源图像上不敏感的方式选择和限制视场的光路来密切跟踪人眼的响应。 从源图像到传感器的光路被配置为选择优选的光线,同时抑制不期望的光线以使信号/噪声比最大化。 包括向后的传感器通道以同时测量照射在源图像上的环境光和反馈装置以提供信息的状态和/或变化。
    • 9. 发明公开
    • Method and apparatus for improved colorimetry
    • 改进比色法的方法和设备
    • EP1643224A3
    • 2006-06-07
    • EP05021441.0
    • 2005-09-30
    • GretagMacbeth, LLC
    • Lianza, Thomas A.Federico, Richard A.Lutz, Carl D.
    • G01J3/02G01J3/51G01N21/25
    • G01J3/46G01J3/02G01J3/0291
    • A colorimeter method and apparatus is described. The colorimeter includes a plurality of sensors/filter systems with non overlapping spectral responses, adequate for providing data capable of translation into standard coordinates system such as, CIE XYZ, CIE L* a* b*, or CIE Luv, as well as non-standard operable coordinate systems. The field of view of the colorimeter is chosen to closely track the response of the human eye using an optical path configured to select and limit the field of view in a manner that is insensitive to placement of the colorimeter on the source image. The optical path from the source image to the sensor is configured to select preferred light rays while rejecting undesirable light rays to maximize the signal/noise ratio. A rearward facing sensor channel is included to simultaneously measure ambient light impinging on the source image and feedback means to provide status and/or change of information.
    • 描述了一种色度计方法和设备。 色度计包括具有不重叠的光谱响应的多个传感器/过滤器系统,足以提供能够平移到诸如CIE XYZ,CIE L * a * b *或CIE Luv等标准坐标系统的数据, 标准可操作的坐标系。 色度计的视场被选择为使用被配置为以对源图像上色度计的放置不敏感的方式选择和限制视场的光路来紧密跟踪人眼的响应。 从源图像到传感器的光路被配置为选择优选的光线,同时拒绝不合需要的光线以最大化信噪比。 包括面向后方的传感器通道以同时测量照射在源图像上的环境光和反馈装置以提供状态和/或信息的改变。