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    To enable modification of color characteristics of an image
    1.
    发明授权
    To enable modification of color characteristics of an image 有权
    启用修改图像的颜色特征

    公开(公告)号：US09001400B2

    公开(公告)日：2015-04-07

    申请号：US13752536

    申请日：2013-01-29

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

    Inventor： Marti Maria Saguer ,  Alejandra Terron Arregui ,  Miguel Angel Lopez Alvarez

    IPC: H04N1/50

    CPC classification number: H04N1/50 ,  H04N1/60

    Abstract: A method to enable modification of color characteristics of an image. In the method, an image, defined in a first color space, is transformed to a second color space; and display of the transformed image is controlled. A color characteristic of the transformed image is modified using a rule defined in the second color space in response to a user input, and display of the modified transformed image is controlled.

    Abstract translation: 一种能够修改图像的颜色特性的方法。 在该方法中，将在第一颜色空间中定义的图像变换为第二颜色空间; 并且控制变换图像的显示。 响应于用户输入，使用在第二颜色空间中定义的规则修改变换图像的颜色特性，并且控制修改的变换图像的显示。

    Color Tables
    3.
    发明申请
    Color Tables 有权

    公开(公告)号：US20220060606A1

    公开(公告)日：2022-02-24

    申请号：US17296231

    申请日：2019-05-15

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

    Inventor： Miguel Angel Lopez Alvarez

    IPC: H04N1/60

    Abstract: A color table is modulated. The color table includes a plurality of nodes, and each node corresponds with a color input in the first color space and provides a print output in a second color space. The set of the plurality of nodes are arranged in a vector of a first color perception parameter. The vector can be arranged according to an order of increasing second color perception parameter in the first color space to an end node of the set of the plurality of nodes. A node in the set of the plurality of nodes that provides a peak amount of the second color perception parameter on the medium is determined. The print output for the end node is replaced with a print output corresponding with the node that provides the peak amount of the second color perception parameter on the medium.

    TO ENABLE MODIFICATION OF COLOR CHARACTERISTICS OF AN IMAGE
    4.
    发明申请
    TO ENABLE MODIFICATION OF COLOR CHARACTERISTICS OF AN IMAGE 有权
    实现图像的颜色特征

    公开(公告)号：US20140211285A1

    公开(公告)日：2014-07-31

    申请号：US13752536

    申请日：2013-01-29

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

    Inventor： Marti Maria Saguer ,  Alejandra Terron Arregui ,  Miguel Angel Lopez Alvarez

    IPC: H04N1/50

    CPC classification number: H04N1/50 ,  H04N1/60

    Abstract: A method to enable modification of color characteristics of an image. In the method, an image, defined in a first color space, is transformed to a second color space; and display of the transformed image is controlled. A color characteristic of the transformed image is modified using a rule defined in the second color space in response to a user input, and display of the modified transformed image is controlled.

    Abstract translation: 一种能够修改图像的颜色特性的方法。 在该方法中，将在第一颜色空间中定义的图像变换为第二颜色空间; 并且控制变换图像的显示。 响应于用户输入，使用在第二颜色空间中定义的规则修改变换图像的颜色特性，并且控制修改的变换图像的显示。

    COLOR PRINTING CALIBRATION
    5.
    发明申请
    COLOR PRINTING CALIBRATION 有权

    公开(公告)号：US20220253653A1

    公开(公告)日：2022-08-11

    申请号：US17432996

    申请日：2019-06-25

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

    Inventor： Miguel Angel Lopez Alvarez

    IPC: G06K15/02 ,  H04N1/60

    Abstract: Aspects of the present disclosure relate to color printing calibration. In a particular example, an apparatus includes an output circuit to print a color target for a particular lot of printing material, a calibration circuit, and an identifier circuit. The calibration circuit may identify color values for the color target, determine a plurality of color correction values for the particular lot of printing material based on the identified color values, and generate a color corrections map including the determined color correction values for the particular lot of printing material. The identifier circuit may generate an identifier corresponding with the color corrections map, identifying a location of the color corrections map in a network-accessible table for retrieval and calibration of printing devices using the particular lot of printing material.

    Printer Color Calibration Via A Monochromatic Sensor
    7.
    发明申请
    Printer Color Calibration Via A Monochromatic Sensor 有权

    公开(公告)号：US20220169037A1

    公开(公告)日：2022-06-02

    申请号：US17433000

    申请日：2019-07-03

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

    Inventor： Miguel Angel Lopez Alvarez

    IPC: B41J2/32 ,  H04N1/60 ,  B41J2/525

    Abstract: A multicolor thermal printer comprising a controller, a thermal printhead, multicolor thermal paper, a monochrome lightness sensor, and a calibration subsystem is described. The calibration subsystem prints a calibration target that is scanned by the monochrome lightness sensor to determine if color crosstalk is present. If color crosstalk is present, the calibration subsystem decreases the contone range of affected colors and saves the new calibration settings.

    Printer calibration using measured and determined optical densities of different primary colors from test patches
    9.
    发明授权
    Printer calibration using measured and determined optical densities of different primary colors from test patches 有权
    使用来自测试贴片的不同原色的测量和确定的光密度进行打印机校准

    公开(公告)号：US08767277B2

    公开(公告)日：2014-07-01

    申请号：US13678756

    申请日：2012-11-16

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

    Inventor： Juan Uroz Soria ,  Jacint Humet Pous ,  Miguel Angel Lopez Alvarez

    IPC: H04N1/60

    CPC classification number: H04N1/6002 ,  H04N1/6033 ,  H04N1/6036

    Abstract: The optical density of a first primary color is determined using two test patches. The first patch is printed with only the first primary color and a second primary color. The second patch is printed using the first primary color and a second primary color. The optical density of both patches is measured. The optical density of the first primary color is determined using the measured optical density of the second primary color and the measured optical density of the first patch.

    Abstract translation: 使用两个测试贴片确定第一原色的光密度。 第一个补丁只打印第一个原色和第二个原色。 使用第一原色和第二原色印刷第二片。 测量两个贴片的光密度。 使用所测量的第二原色光密度和第一贴片的测量光密度确定第一原色的光密度。

    PRINTER CALIBRATION USING MEASURED AND DETERMINED OPTICAL DENSITIES OF DIFFERENT PRIMARY COLORS FROM TEST PATCHES
    10.
    发明申请
    PRINTER CALIBRATION USING MEASURED AND DETERMINED OPTICAL DENSITIES OF DIFFERENT PRIMARY COLORS FROM TEST PATCHES 有权
    使用测量的测量和确定的不同主色度的光学浓度的打印机校准

    公开(公告)号：US20140139850A1

    公开(公告)日：2014-05-22

    申请号：US13678756

    申请日：2012-11-16

    Applicant: HEWLETT PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Juan Uroz Soria ,  Jacint Humet Pous ,  Miguel Angel Lopez Alvarez

    IPC: H04N1/60

    CPC classification number: H04N1/6002 ,  H04N1/6033 ,  H04N1/6036

    Abstract: The optical density of a first primary color is determined using two test patches. The first patch is printed with only the first primary color and a second primary color. The second patch is printed using the first primary color and a second primary color. The optical density of both patches is measured. The optical density of the first primary color is determined using the measured optical density of the second primary color and the measured optical density of the first patch.

    Abstract translation: 使用两个测试贴片确定第一原色的光密度。 第一个补丁只打印第一个原色和第二个原色。 使用第一原色和第二原色印刷第二片。 测量两个贴片的光密度。 使用所测量的第二原色光密度和第一贴片的测量光密度确定第一原色的光密度。

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