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    COMPUTER-IMPLEMENTED SYSTEM AND METHOD FOR COLOR SENSING, STORAGE AND COMPARISON
    12.
    发明公开
    COMPUTER-IMPLEMENTED SYSTEM AND METHOD FOR COLOR SENSING, STORAGE AND COMPARISON 审中-公开
    FOR COLOR收集，存储和比较计算机实现的系统和方法

    公开(公告)号：EP2914942A1

    公开(公告)日：2015-09-09

    申请号：EP13850063.2

    申请日：2013-11-04

    Applicant: Variable Inc.

    Inventor： TEMPLE, Andrew Richard ,  YU, George Yang ,  GASIOR, Wade

    IPC: G01J3/46

    CPC classification number: H04N9/07 ,  G01J3/0262 ,  G01J3/0264 ,  G01J3/027 ,  G01J3/0272 ,  G01J3/0275 ,  G01J3/0286 ,  G01J3/0291 ,  G01J3/513 ,  G01J3/524 ,  H04N5/2252 ,  H04N5/2254 ,  H04N5/23293

    Abstract: A modular device includes base and color sensing portions. The color sensing portion has a face, a controlled light source offset from the face to define an interior, the face configured to engage a target surface about a perimeter of the device housing wherein ambient light is restricted from entering the interior. A color sensor receives light reflected from the target surface and generates output signals representative of a surface color. The base portion communicates with the color sensor and a user device having a hosted program which generates a user interface enabling users to provide control input for the color sensor. The program further receives the output signals from the color sensing device and displays a first image of the detected color, and displays a second image of a user-selected color beside the first image. Color data values are further displayed corresponding to the difference between displayed colors.

    Spectral sensor for printed images
    17.
    发明公开
    Spectral sensor for printed images 审中-公开
    SpektralsensorfürDruckbilder

    公开(公告)号：EP2568267A1

    公开(公告)日：2013-03-13

    申请号：EP12182513.7

    申请日：2012-08-31

    Applicant: Ricoh Company, Ltd.

    Inventor： Shimbo, Kohei ,  Kamijo, Naohiro ,  Kubota, Yoichi ,  Seo, Manabu

    IPC: G01J3/28 ,  G01J3/50 ,  G01N21/55 ,  G01J3/52 ,  H04N1/60 ,  G01J3/04

    CPC classification number: G01J3/524 ,  B41F33/00 ,  B41F33/0045 ,  G01J3/04 ,  G01J3/28 ,  G01J3/502 ,  G01N21/86 ,  H04N1/6033 ,  H04N1/6044

    Abstract: A spectral characteristic acquiring apparatus (10) is provided which includes: an area dividing part; a spectrum separating part; a light receiving part (16); and a calculating part (17), wherein the calculating part includes a transformation matrix storing part (17a) that stores a transformation matrix used for calculating the spectral characteristic corresponding to electrical signals of a first diffraction pattern group including two or more adjacent diffraction patterns, and a spectral characteristic calculating part (17b) that calculates, based on the electrical signals of the first diffraction pattern group and the corresponding transformation matrix, the spectral characteristic at the locations of the image carrying medium corresponding to the apertures of the first diffraction pattern group.

    Abstract translation: 提供了一种光谱特征获取装置，包括：区域划分部分; 光谱分离部分; 光接收部分（16）; 和计算部分（17），其中所述计算部分包括变换矩阵存储部分（17a），所述变换矩阵存储部分存储用于计算与包括两个或更多个相邻衍射图案的第一衍射图形组的电信号对应的光谱特性的变换矩阵， 以及光谱特性计算部（17b），其基于第一衍射图案组和对应的变换矩阵的电信号计算与第一衍射图案组的孔对应的图像承载介质的位置处的光谱特性 。

    METHOD AND SYSTEM FOR DETERMINING COLOUR FROM AN IMAGE
    18.
    发明公开
    METHOD AND SYSTEM FOR DETERMINING COLOUR FROM AN IMAGE 审中-公开
    方法和系统用于确定图片的颜色

    公开(公告)号：EP2526684A1

    公开(公告)日：2012-11-28

    申请号：EP11700652.8

    申请日：2011-01-17

    Applicant: Akzo Nobel Coatings International B.V.

    Inventor： LINGS, Benjamin, Buchanan ,  HARROP, Paul, James ,  SPIERS, Peter, Mark ,  LONGHURST, Stewart

    IPC: H04N1/60

    CPC classification number: G06K9/6201 ,  G01J3/0264 ,  G01J3/46 ,  G01J3/463 ,  G01J3/52 ,  G01J3/524 ,  G06K9/4652 ,  H04N1/6033

    Abstract: Embodiments of the invention relate to the determination of the color of a color sample from an image of the color sample. In one embodiment a color sample capture card is provided having printed thereon color samples of known color (for example, XYZ tri-stimulus values). An image of the test color sample is then captured using domestically available equipment, such as a consumer digital camera or camera-equipped mobile telephone, the image also containing the color sample capture card. In one embodiment the image is then transmitted to a remote color determination service for color sample color determination. Regression analysis is then performed using the RGB color samples in the image and known XYZ colors thereof to characterize the color capture response of the image capture device. Having characterized the image capture device the XYZ color of the unknown color sample can be determined from the RGB color thereof in the image. Knowing the XYZ color, the color can then be matched to a palette of paint colors, to determine a paint color to match the unknown color.

    METHOD AND SYSTEM FOR DETERMINING COLOUR FROM AN IMAGE
    19.
    发明公开
    METHOD AND SYSTEM FOR DETERMINING COLOUR FROM AN IMAGE 审中-公开
    方法和系统用于确定图片的颜色

    公开(公告)号：EP2526682A2

    公开(公告)日：2012-11-28

    申请号：EP11700541.3

    申请日：2011-01-17

    Applicant: Akzo Nobel Coatings International B.V.

    Inventor： LINGS, Benjamin Buchanan ,  HARROP, Paul James ,  SPIERS, Peter Mark ,  LONGHURST, Stewart

    IPC: H04N1/60

    CPC classification number: G06K9/6201 ,  G01J3/0264 ,  G01J3/46 ,  G01J3/463 ,  G01J3/52 ,  G01J3/524 ,  G06K9/4652 ,  H04N1/6033

    Abstract: Embodiments of the invention relate to the determination of the colour of a colour sample from an image of the colour sample. In one embodiment a colour sample capture card is provided having printed thereon colour samples of known colour(for example, XYZ tri-stimulus values). An image of the test colour sample is then captured using domestically available equipment, such as a consumer digital camera or camera-equipped mobile telephone, the image also containing the colour sample capture card. In one embodiment the image is then transmitted to a remote colour determination service for colour sample colour determination. Regression analysis is then performed using the RGB colour samples in the image and known XYZ colours thereof to characterise the colour capture response of the image capture device. Having characterised the image capture device the XYZ colour of the unknown colour sample can be determined from the RGB colour thereof in the image. Knowing the XYZ colour, the colour can then be matched to a palette of paint colours, to determine a paint colour to match the unknown colour.

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