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    Gamut Clipping with Preprocessing
    1.
    发明申请
    Gamut Clipping with Preprocessing 有权
    色域预处理

    公开(公告)号：US20110051207A1

    公开(公告)日：2011-03-03

    申请号：US12549971

    申请日：2009-08-28

    Applicant: John C. Dalrymple ,  James Zhixin Chang ,  Chizu Watanabe

    Inventor： John C. Dalrymple ,  James Zhixin Chang ,  Chizu Watanabe

    IPC: G03F3/08

    CPC classification number: H04N1/6058

    Abstract: A method is provided for gamut clipping with preprocessing enabled as software instructions stored in a computer-readable medium and executable by a processor. The instructions provide a color in a color space defined by at least three attributes. If the color lies outside a gamut boundary in the first color space, a distance is measured from the color to the gamut boundary. In response to the measured distance, a weight is calculated for an attribute of the color. Then, it is determined if the attribute of the color is to be shifted. If so, an attribute shift amount is derived. The attribute shift amount of the color is modified by applying the weighting. The attribute of the first color is shifted by the weighted attribute shift amount, creating a post-processed color. The post-processed color is then clipped.

    Abstract translation: 提供了一种用于色域削波的方法，其中预处理使能作为存储在计算机可读介质中并由处理器执行的软件指令。 指令提供由至少三个属性定义的颜色空间中的颜色。 如果颜色位于第一颜色空间中的色域边界之外，则从颜色到色域边界测量距离。 响应于测量的距离，针对颜色的属性计算权重。 然后，确定颜色的属性是否被移动。 如果是，则导出属性偏移量。 通过应用加权来修改颜色的属性偏移量。 第一种颜色的属性偏移加权属性偏移量，创建后处理颜色。 然后修剪后处理的颜色。

    Methods and Systems for Sampling and Modeling of Colorant-Limited, Multi-Colorant Color Spaces
    3.
    发明申请
    Methods and Systems for Sampling and Modeling of Colorant-Limited, Multi-Colorant Color Spaces 有权
    着色剂有限，多色颜色空间的采样和建模方法和系统

    公开(公告)号：US20100253698A1

    公开(公告)日：2010-10-07

    申请号：US12416590

    申请日：2009-04-01

    Applicant: James Zhixin Chang ,  Chizu Watanabe

    Inventor： James Zhixin Chang ,  Chizu Watanabe

    IPC: G09G5/02 ,  G06K9/00 ,  G03F3/08

    CPC classification number: H04N1/6033 ,  H04N1/6016 ,  H04N1/6097

    Abstract: Aspects of the present invention relate to methods and systems for determining output responses and device targets for multi-colorant output devices. Some aspects relate to methods and systems for multi-dimensional rectilinear sampling, transformation of samples from an unlimited colorant space to a colorant-limited space, obtaining additional samples within a colorant-limitation hyperplane and interpolation of values in a colorant-limited space.

    Abstract translation: 本发明的方面涉及用于确定多着色剂输出装置的输出响应和装置目标的方法和系统。 一些方面涉及用于多维直线取样的方法和系统，将样品从无限着色剂空间转变为着色剂限制空间，在着色剂限制超平面内获得附加样品以及在着色剂受限空间内插值。

    Gamut clipping with preprocessing
    4.
    发明授权
    Gamut clipping with preprocessing 有权
    带有预处理的色域裁剪

    公开(公告)号：US08643922B2

    公开(公告)日：2014-02-04

    申请号：US12549971

    申请日：2009-08-28

    Applicant: John Dairymple ,  James Zhixin Chang ,  Chizu Watanabe

    Inventor： John Dairymple ,  James Zhixin Chang ,  Chizu Watanabe

    IPC: G03F3/08

    CPC classification number: H04N1/6058

    Abstract: A method is provided for gamut clipping with preprocessing enabled as software instructions stored in a computer-readable medium and executable by a processor. The instructions provide a color in a color space defined by at least three attributes. If the color lies outside a gamut boundary in the first color space, a distance is measured from the color to the gamut boundary. In response to the measured distance, a weight is calculated for an attribute of the color. Then, it is determined if the attribute of the color is to be shifted. If so, an attribute shift amount is derived. The attribute shift amount of the color is modified by applying the weighting. The attribute of the first color is shifted by the weighted attribute shift amount, creating a post-processed color. The post-processed color is then clipped.

    Abstract translation: 提供了一种用于色域削波的方法，其中预处理使能作为存储在计算机可读介质中并由处理器执行的软件指令。 指令提供由至少三个属性定义的颜色空间中的颜色。 如果颜色位于第一颜色空间中的色域边界之外，则从颜色到色域边界测量距离。 响应于测量的距离，针对颜色的属性计算权重。 然后，确定颜色的属性是否被移动。 如果是，则导出属性偏移量。 通过应用加权来修改颜色的属性偏移量。 第一种颜色的属性偏移加权属性偏移量，创建后处理颜色。 然后修剪后处理的颜色。

    Methods and systems for sampling and modeling of colorant-limited, multi-colorant color spaces
    6.
    发明授权
    Methods and systems for sampling and modeling of colorant-limited, multi-colorant color spaces 有权
    用于着色剂限制的多着色剂色彩空间的采样和建模的方法和系统

    公开(公告)号：US08358441B2

    公开(公告)日：2013-01-22

    申请号：US12416590

    申请日：2009-04-01

    Applicant: James Zhixin Chang ,  Chizu Watanabe

    Inventor： James Zhixin Chang ,  Chizu Watanabe

    IPC: H04N1/40

    CPC classification number: H04N1/6033 ,  H04N1/6016 ,  H04N1/6097

    Abstract: Aspects of the present invention relate to methods and systems for determining output responses and device targets for multi-colorant output devices. Some aspects relate to methods and systems for multi-dimensional rectilinear sampling, transformation of samples from an unlimited colorant space to a colorant-limited space, obtaining additional samples within a colorant-limitation hyperplane and interpolation of values in a colorant-limited space.

    Abstract translation: 本发明的方面涉及用于确定多着色剂输出装置的输出响应和装置目标的方法和系统。 一些方面涉及用于多维直线取样的方法和系统，将样品从无限着色剂空间转变为着色剂限制空间，在着色剂限制超平面内获得附加样品以及在着色剂受限空间内插值。

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