COLOR CONVERSIONS IN THE REAL DOMAIN
    1.
    发明申请
    COLOR CONVERSIONS IN THE REAL DOMAIN 有权
    真正的颜色转换

    公开(公告)号:US20100123910A1

    公开(公告)日:2010-05-20

    申请号:US12271187

    申请日:2008-11-14

    IPC分类号: H04N1/60 G06K9/00

    CPC分类号: H04N1/6058

    摘要: Methods and systems herein provide for color conversion in the real domain from an input color space to an output color space using a color conversion table that includes color values defined in the output color space corresponding to color values in the input color space, a table of scaling factors, and a conversion engine operable to group the real domain image data into blocks of pixels. The conversion engine, for each block of pixels, converts a color value in the block of pixels from the input color space to the output color space according to the color conversion table, computes differences between the color value and color values of pixels in the block, scales the computed differences according to the table of scaling factors, and adds the scaled differences to the converted color values to convert the pixel color values to the output color space.

    摘要翻译: 这里的方法和系统使用包括与输入颜色空间中的颜色值相对应的输出颜色空间中定义的颜色值的颜色转换表来提供从输入颜色空间到输出颜色空间的真实域中的颜色转换, 缩放因子和可操作以将真实域图像数据分组成像素块的转换引擎。 对于每个像素块,转换引擎根据颜色转换表将像素块中的颜色值从输入颜色空间转换为输出颜色空间,计算块中像素的颜色值和颜色值之间的差异 ,根据缩放因子表对计算出的差异进行缩放,并将缩放的差值与转换的颜色值相加,以将像素颜色值转换为输出颜色空间。

    Color conversions in the real domain
    2.
    发明授权
    Color conversions in the real domain 有权
    真实域中的颜色转换

    公开(公告)号:US08390895B2

    公开(公告)日:2013-03-05

    申请号:US12271187

    申请日:2008-11-14

    IPC分类号: H04N1/40

    CPC分类号: H04N1/6058

    摘要: Methods and systems herein provide for color conversion in the real domain from an input color space to an output color space using a color conversion table that includes color values defined in the output color space corresponding to color values in the input color space, a table of scaling factors, and a conversion engine operable to group the real domain image data into blocks of pixels. The conversion engine, for each block of pixels, converts a color value in the block of pixels from the input color space to the output color space according to the color conversion table, computes differences between the color value and color values of pixels in the block, scales the computed differences according to the table of scaling factors, and adds the scaled differences to the converted color values to convert the pixel color values to the output color space.

    摘要翻译: 这里的方法和系统使用包括与输入颜色空间中的颜色值相对应的输出颜色空间中定义的颜色值的颜色转换表来提供从输入颜色空间到输出颜色空间的真实域中的颜色转换, 缩放因子和可操作以将真实域图像数据分组成像素块的转换引擎。 对于每个像素块,转换引擎根据颜色转换表将输入颜色空间中的像素块中的颜色值转换为输出颜色空间,计算块中像素的颜色值和颜色值之间的差异 ,根据缩放因子表对计算出的差异进行缩放,并将缩放的差值与转换的颜色值相加,以将像素颜色值转换为输出颜色空间。

    Converting image data in an input color space to an output color space in a transform domain
    3.
    发明授权
    Converting image data in an input color space to an output color space in a transform domain 有权
    将输入颜色空间中的图像数据转换为变换域中的输出颜色空间

    公开(公告)号:US07580166B2

    公开(公告)日:2009-08-25

    申请号:US11469822

    申请日:2006-09-01

    CPC分类号: H04N1/64 G06T11/001

    摘要: Provided are a method, system, and article of manufacture for converting image data in an input color space to an output color space in a transform domain. An input block of coefficients in an input color space is generated, wherein the input block includes a first type coefficient and a plurality of second type coefficients. The first type coefficient in the input block is converted to an output value in an output color space. The output value is used to determine a scaling factor for the second type coefficients. The scaling factor is applied to the second type coefficients to determine second type coefficients in the output color space. A component output block of coefficients in the output color space is formed from the output value for the first type coefficient and the determined second type coefficients in the output color space.

    摘要翻译: 提供了一种用于将输入颜色空间中的图像数据转换为变换域中的输出颜色空间的方法,系统和制品。 产生输入颜色空间中的系数的输入块,其中输入块包括第一类型系数和多个第二类型系数。 输入块中的第一类型系数被转换为输出色空间中的输出值。 输出值用于确定第二类型系数的缩放因子。 将缩放因子应用于第二类型系数以确定输出颜色空间中的第二类型系数。 输出颜色空间中的系数的分量输出块由第一类型系数的输出值和输出颜色空间中确定的第二类型系数形成。

    COLOR PRINTER CALIBRATION FOR MULTIPLE MEDIUMS
    5.
    发明申请
    COLOR PRINTER CALIBRATION FOR MULTIPLE MEDIUMS 有权
    多媒体彩色打印机校准

    公开(公告)号:US20110063633A1

    公开(公告)日:2011-03-17

    申请号:US12560832

    申请日:2009-09-16

    IPC分类号: H04N1/60

    CPC分类号: H04N1/6033 H04N1/6097

    摘要: Methods and systems herein provide for calibrating for a plurality of different paper types. In one embodiment, a system for calibrating a printer includes a measurement module operable to detect colors printed on a first tangible medium by the printer and convert the detected colors to a detected color characterization. The system also includes a storage module operable to store a calibration file. The calibration file includes color characterizations of a plurality of different tangible mediums and each color characterization includes color measurements for one of the plurality of different tangible mediums obtained from the printer via the measurement module when the printer is calibrated. The system also includes a calibration module operable to compare the detected color characterization to at least two color characterizations of the calibration file and determine an adjustment to an output color scheme of the printer based on the comparison to calibrate the printer.

    摘要翻译: 本文的方法和系统提供了用于校准多种不同纸张类型的方法和系统。 在一个实施例中,用于校准打印机的系统包括测量模块,其可操作以检测由打印机打印在第一有形介质上的颜色,并将检测到的颜色转换为检测到的颜色表征。 该系统还包括可存储校准文件的存储模块。 校准文件包括多个不同有形介质的颜色表征,并且每个颜色表征包括当打印机被校准时经由测量模块从打印机获得的多个不同有形介质中的一个的颜色测量。 该系统还包括校准模块,其可操作以将检测到的颜色表征与校准文件的至少两种颜色表征进行比较,并且基于比较来确定对打印机的输出颜色方案的调整以校准打印机。

    Determining whether to convert image data in an input color space to an output color space in a transform domain or real domain
    6.
    发明授权
    Determining whether to convert image data in an input color space to an output color space in a transform domain or real domain 有权
    确定是否将输入颜色空间中的图像数据转换为变换域或真实域中的输出颜色空间

    公开(公告)号:US07580167B2

    公开(公告)日:2009-08-25

    申请号:US11469826

    申请日:2006-09-01

    CPC分类号: H04N1/64 G09G3/2003 H04N9/67

    摘要: Provided are a method, system, and article of manufacture for determining whether to convert image data in an input color space to an output color space in a transform domain or real domain. An input block of coefficients in an input color space is generated, wherein the input block includes a first type coefficient and a plurality of second type coefficients. The first type coefficient in the input block is converted to an output value in an output color space. A determination is made as to whether real domain processing is required. The input block is converted in a transform domain to an output block of coefficients in the transform domain in an output color space in response to determining that the output value does not require real domain processing.

    摘要翻译: 提供了一种用于确定是否将输入颜色空间中的图像数据转换为变换域或真实域中的输出颜色空间的方法,系统和制品。 产生输入颜色空间中的系数的输入块,其中输入块包括第一类型系数和多个第二类型系数。 输入块中的第一类型系数被转换为输出色空间中的输出值。 确定是否需要真实的域处理。 响应于确定输出值不需要真实的域处理,输入块在变换域中被转换为输出颜色空间中的变换域中的系数的输出块。

    Method and apparatus for efficient processing of color conversion
    7.
    发明授权
    Method and apparatus for efficient processing of color conversion 有权
    用于有效处理颜色转换的方法和装置

    公开(公告)号:US07944593B2

    公开(公告)日:2011-05-17

    申请号:US11145820

    申请日:2005-06-06

    IPC分类号: G03F3/08 H04N1/46 G09G5/02

    CPC分类号: H04N1/603

    摘要: The management of color presented at end point devices such as a display or printer is based on the implementation of a Color Management Resource (herein also CMR). A CMR is an architected resource stored accessibly to a print server or other processor that is used to carry all of the color management information required to render a print file, document, page, or data object. The invention here described is particularly focused on a color conversion type of CMR and defines a new type here called a Link Color Conversion CMR. In particular, a unique descriptor is tied to each input and output color conversion rule. A linked color conversion rule, created by combining the input and output color conversion, is created. The linked color conversion structure contains three parts—the descriptor of the input color conversion rule, the descriptor of the output color conversion rule, and the combined color conversion rule. By comparing the descriptors, it is possible to very rapidly identify a previously-existing linked color conversion that combines the input and output conversions.

    摘要翻译: 终端设备(如显示器或打印机)上显示的颜色管理基于颜色管理资源(此处也是CMR)的实现。 CMR是存储在打印服务器或其他处理器中的架构资源,其用于承载呈现打印文件,文档,页面或数据对象所需的所有颜色管理信息。 这里描述的本发明特别关注于CMR的颜色转换类型,并定义了一种称为链路颜色转换CMR的新类型。 特别地,唯一的描述符被绑定到每个输入和输出颜色转换规则。 创建通过组合输入和输出颜色转换创建的链接颜色转换规则。 链接的颜色转换结构包含三部分 - 输入颜色转换规则的描述符,输出颜色转换规则的描述符和组合的颜色转换规则。 通过比较描述符,可以非常快速地识别组合输入和输出转换的先前存在的链接颜色转换。

    CONVERTING IMAGE DATA IN AN INPUT COLOR SPACE TO AN OUTPUT COLOR SPACE IN A TRANSFORM DOMAIN
    10.
    发明申请
    CONVERTING IMAGE DATA IN AN INPUT COLOR SPACE TO AN OUTPUT COLOR SPACE IN A TRANSFORM DOMAIN 有权
    将输入颜色空间中的图像数据转换为变换域中的输出颜色空间

    公开(公告)号:US20080055614A1

    公开(公告)日:2008-03-06

    申请号:US11469822

    申请日:2006-09-01

    IPC分类号: G06F15/00

    CPC分类号: H04N1/64 G06T11/001

    摘要: Provided are a method, system, and article of manufacture for converting image data in an input color space to an output color space in a transform domain. An input block of coefficients in an input color space is generated, wherein the input block includes a first type coefficient and a plurality of second type coefficients. The first type coefficient in the input block is converted to an output value in an output color space. The output value is used to determine a scaling factor for the second type coefficients. The scaling factor is applied to the second type coefficients to determine second type coefficients in the output color space. A component output block of coefficients in the output color space is formed from the output value for the first type coefficient and the determined second type coefficients in the output color space.

    摘要翻译: 提供了一种用于将输入颜色空间中的图像数据转换为变换域中的输出颜色空间的方法,系统和制品。 产生输入颜色空间中的系数的输入块,其中输入块包括第一类型系数和多个第二类型系数。 输入块中的第一类型系数被转换为输出色空间中的输出值。 输出值用于确定第二类型系数的缩放因子。 将缩放因子应用于第二类型系数以确定输出颜色空间中的第二类型系数。 输出颜色空间中的系数的分量输出块由第一类型系数的输出值和输出颜色空间中确定的第二类型系数形成。