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    COLOR PIPELINE
    1.
    发明申请
    COLOR PIPELINE 有权

    公开(公告)号：US20210321017A1

    公开(公告)日：2021-10-14

    申请号：US17272417

    申请日：2018-09-26

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Maxime Rosello ,  Li Qian ,  Pere Gasparin Talarn

    IPC: H04N1/60 ,  G06F3/12 ,  B41J2/21

    Abstract: An example of a color management module is disclosed. The color management module is to generate a mapping from an incoming color space to a printer color space by a color pipeline. In the generation of the mapping, the color pipeline is adjusted so that the mapping of a target color associated with a first composition further includes adding a quantity of a second composition to the mapping of the target color. The second composition comprises a lower visibility than the first composition.

    Color calibration
    4.
    发明授权
    Color calibration 有权

    公开(公告)号：US10341534B2

    公开(公告)日：2019-07-02

    申请号：US15503837

    申请日：2014-08-26

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Juan Uroz Soria ,  Pere Gasparin Talarn ,  Antonio Gracia Verdugo

    IPC: H04N1/60 ,  H04N1/00

    Abstract: Example implementations relate to color compensation. Some examples may print a calibration target background on a non-opaque media. The calibration target background may have a color that increases a dynamic range of a set of color measurements of a calibration target foreground. Some examples may print the calibration target foreground over the calibration target background. Additionally, some examples may measure an optical density of the calibration target foreground with a reflective sensor and may calibrate a printer based on the measured optical density.

    Printer calibration
    5.
    发明授权
    Printer calibration 有权
    打印机校准

    公开(公告)号：US09375963B2

    公开(公告)日：2016-06-28

    申请号：US14780836

    申请日：2013-03-28

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Jacint Humet Pous ,  Juan Uroz Soria ,  Pere Gasparin Talarn

    IPC: B41J29/393 ,  B41J2/205 ,  H04N1/46 ,  H04N1/60 ,  B41J2/01

    CPC classification number: B41J29/393 ,  B41J2/01 ,  H04N1/6033 ,  H04N1/6036

    Abstract: Techniques related to printer calibration are disclosed herein. In an example, an actual measurement of a colorimetric parameter is performed by measuring the colorimetric parameter on a printed calibration pattern. The colorimetric parameter is associated with an ink drop number. The calibration pattern is printed with selected printing conditions. An ink drop number variation is determined from a reference measurement and the actual measurement of the colorimetric parameter. The reference measurement is a measurement of a colorimetric parameter. The reference measurement corresponds to a measurement of the colorimetric parameter on a calibration pattern printed with the selected printing conditions. An actual linearization is generated by validating a set of pre-defined linearizations with the determined ink drop number variation. Other examples of printer calibration are disclosed.

    Abstract translation: 本文公开了与打印机校准有关的技术。 在一个示例中，通过测量印刷校准图案上的比色参数来进行比色参数的实际测量。 比色参数与墨滴数量相关联。 校准模式将以选定的打印条件打印。 从参考测量和比色参数的实际测量确定墨滴数变化。 参考测量是比色参数的测量。 参考测量对应于用所选打印条件打印的校准图案上的比色参数的测量。 通过用确定的墨滴数变化来验证一组预定义的线性化来生成实际的线性化。 公开了打印机校准的其他示例。

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