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1. 发明授权

US08310709B2 Color printing system 有权
标题翻译：彩色打印系统
公开(公告)号：US08310709B2
公开(公告)日：2012-11-13
申请号：US13220794
申请日：2011-08-30
申请人： Min Ki Cho
发明人： Min Ki Cho
IPC分类号： G06F3/12 , G06K15/00
CPC分类号： G06F3/1204 , G06F3/1208 , G06F3/1247 , G06F3/1254 , G06F3/1285 , H04N1/62 , H04N1/628
摘要： In a color printing system the printer driver automatically obtains local characteristic information, such as countries, cities, languages, etc., stored in the OS of the host computer. The printer driver or the image forming apparatus color-converts the input data into output data, which reflects the color preference of the specific region where the image forming apparatus is installed, by using the look-up table corresponding to the local characteristic information obtained by the printer driver. Accordingly, the color preference of the specific region, in which the image forming apparatus is installed, is set more quickly and easily without requiring a complicated structure. The system includes a host computer to store local characteristic information of a region where an apparatus is installed, a printer driver to store look-up tables according to the local characteristic information, to select a look-up table corresponding to the local characteristic information obtained from the host computer, and to convert input data into output data representing a color corresponding to a color preference of a specific region by using the selected look-up table, and an image forming apparatus which is connected to the host computer so as to receive and print the output data, which is color-converted by the printer driver.
摘要翻译：在彩色打印系统中，打印机驱动程序自动获取存储在主机的操作系统中的本地特征信息，如国家，城市，语言等。打印机驱动器或图像形成装置将输入数据颜色转换为输出数据，该数据反映安装有图像形成装置的特定区域的颜色偏好，通过使用与由打印机驱动程序。因此，安装图像形成装置的特定区域的颜色偏好被设定得更加快速和容易，而不需要复杂的结构。该系统包括用于存储安装设备的区域的局部特征信息的主计算机，根据本地特征信息存储查找表的打印机驱动程序，以选择与获得的局部特征信息相对应的查找表并且通过使用所选择的查找表将输入数据转换成表示与特定区域的颜色偏好相对应的颜色的输出数据，以及连接到主计算机以便接收的图像形成装置并打印由打印机驱动程序进行颜色转换的输出数据。

2. 发明申请

US20120262473A1 IMAGE COMPENSATION DEVICE, IMAGE PROCESSING APPARATUS AND METHODS THEREOF 有权
标题翻译：图像补偿装置，图像处理装置及其方法
公开(公告)号：US20120262473A1
公开(公告)日：2012-10-18
申请号：US13334724
申请日：2011-12-22
申请人： Kyeong-man KIM , Hyun-Cheol Kim , Min-ki Cho , Hyun-soo Oh , Eun-ah Song , Yeong-ho Ha , Dae-chul Kim , Wang-jun Kyung
发明人： Kyeong-man KIM , Hyun-Cheol Kim , Min-ki Cho , Hyun-soo Oh , Eun-ah Song , Yeong-ho Ha , Dae-chul Kim , Wang-jun Kyung
IPC分类号： G06K9/00 , G09G5/02
CPC分类号： H04N1/62 , G06K9/00 , G06T5/008 , G06T2207/10024 , H04N1/40006 , H04N1/6091
摘要： An image compensating apparatus includes an input unit to receive input of an photo image, a Gaussian filtering unit to perform Gaussian filtering on the photo image, a division-map generating unit to convert the photo image on which the Gaussian filtering is performed into a color space including a plurality of color components and then generating a chromaticity division-map based on a color coordinate value in the color space, a calculating unit to calculate average chromaticity of each respective region by using the chromaticity division-map, and a compensating unit to compensate chromaticity of each respective region of the photo image by using the average chromaticity of each respective region. Accordingly, a faded image input to the input unit may effectively be compensated.
摘要翻译：图像补偿装置包括：接收照片图像的输入的输入单元，对所述照片图像进行高斯滤波的高斯滤波单元;分割图生成单元，将进行了高斯滤波的照片图像转换为颜色包括多个颜色分量的空间，然后基于颜色空间中的颜色坐标值生成色度分割图，计算单元，通过使用色度分割映射来计算各个区域的平均色度;以及补偿单元，通过使用每个相应区域的平均色度来补偿照片图像的每个相应区域的色度。因此，可以有效地补偿输入到输入单元的褪色图像。

3. 发明申请

US20110310416A1 COLOR PRINTING SYSTEM 有权
标题翻译：彩色打印系统
公开(公告)号：US20110310416A1
公开(公告)日：2011-12-22
申请号：US13220794
申请日：2011-08-30
申请人： Min Ki CHO
发明人： Min Ki CHO
IPC分类号： G06K15/02
CPC分类号： G06F3/1204 , G06F3/1208 , G06F3/1247 , G06F3/1254 , G06F3/1285 , H04N1/62 , H04N1/628
摘要： In a color printing system the printer driver automatically obtains local characteristic information, such as countries, cities, languages, etc., stored in the OS of the host computer. The printer driver or the image forming apparatus color-converts the input data into output data, which reflects the color preference of the specific region where the image forming apparatus is installed, by using the look-up table corresponding to the local characteristic information obtained by the printer driver. Accordingly, the color preference of the specific region, in which the image forming apparatus is installed, is set more quickly and easily without requiring a complicated structure. The system includes a host computer to store local characteristic information of a region where an apparatus is installed, a printer driver to store look-up tables according to the local characteristic information, to select a look-up table corresponding to the local characteristic information obtained from the host computer, and to convert input data into output data representing a color corresponding to a color preference of a specific region by using the selected look-up table, and an image forming apparatus which is connected to the host computer so as to receive and print the output data, which is color-converted by the printer driver.
摘要翻译：在彩色打印系统中，打印机驱动程序自动获取存储在主机的操作系统中的本地特征信息，如国家，城市，语言等。打印机驱动器或图像形成装置将输入数据颜色转换为输出数据，该数据反映安装有图像形成装置的特定区域的颜色偏好，通过使用与由打印机驱动程序。因此，安装图像形成装置的特定区域的颜色偏好被设定得更加快速和容易，而不需要复杂的结构。该系统包括用于存储安装设备的区域的局部特征信息的主计算机，根据本地特征信息存储查找表的打印机驱动程序，以选择与获得的局部特征信息相对应的查找表并且通过使用所选择的查找表将输入数据转换成表示与特定区域的颜色偏好相对应的颜色的输出数据，以及连接到主计算机以便接收的图像形成装置并打印由打印机驱动程序进行颜色转换的输出数据。

4. 发明授权

US07852535B2 Apparatus and method for converting color data using color gamut extension 有权
标题翻译：使用色域扩展转换颜色数据的装置和方法
公开(公告)号：US07852535B2
公开(公告)日：2010-12-14
申请号：US11328142
申请日：2006-01-10
申请人： Byoung-ho Kang , Dae-won Kim , Heui-keun Cho , Min-ki Cho
发明人： Byoung-ho Kang , Dae-won Kim , Heui-keun Cho , Min-ki Cho
IPC分类号： G03F3/08
CPC分类号： H04N1/6058 , H04N1/6022
摘要： An apparatus and method for converting color data are provided. The method includes generating a CMYK color gamut extended from a CMY color gamut that consists of a cyan (C) colorant, a magenta (M) colorant, and a yellow (Y) colorant, by use of the CMY color gamut and a black (K) colorant; mapping input colors using the generated CMYK color gamut; converting color data of the mapped input colors to CMY data; and converting the CMY data to CMYK data. Accordingly, natural representation and printing of low-lightness colors and high-saturation colors can be attained.
摘要翻译：提供了一种用于转换颜色数据的设备和方法。该方法包括通过使用CMY色域和黑色（C）着色剂，品红色（M）着色剂和黄色（Y）着色剂从CMY色域扩展的CMYK色域生成CMYK色域， K）着色剂; 使用生成的CMYK色域映射输入颜色; 将映射的输入颜色的颜色数据转换为CMY数据; 并将CMY数据转换为CMYK数据。因此，可以获得低亮度颜色和高饱和度色彩的自然表现和打印。

5. 发明授权

US07733525B2 Gamut mapping method and apparatus 失效
标题翻译：色域映射方法和装置
公开(公告)号：US07733525B2
公开(公告)日：2010-06-08
申请号：US11543874
申请日：2006-10-06
申请人： Min-ki Cho , Byoung-ho Kang , Se-eun Kim , Heui-keun Choh
发明人： Min-ki Cho , Byoung-ho Kang , Se-eun Kim , Heui-keun Choh
IPC分类号： G06F15/00
CPC分类号： H04N1/6058
摘要： A gamut mapping method and apparatus are provided which allow a reproduction device to properly represent colors that are not within a gamut boundary of the reproduction device but within in a gamut boundary of a source device. The gamut mapping method includes (a) setting a cut-off rate for a predetermined color component and defining a cut-off region on a standard color circle; (b) determining a gamut of a reproduction device using color data which is part of basic color data and corresponds to colors that do not belong to the cut-off region; (c) modifying a gamut of a source device according to the determined gamut of the reproduction device; (d) determining a mapping relationship between the modified gamut of the source device and the determined gamut of the reproduction device; and (e) creating a mapping table based on the determined mapping relationship.
摘要翻译：提供了一种色域映射方法和装置，其允许再现设备适当地表示不在再现设备的色域边界内但在源设备的色域边界内的颜色。色域映射方法包括：（a）设置预定颜色分量的截止率并在标准色圆上定义截止区域; （b）使用作为基本颜色数据的一部分并且对应于不属于截止区域的颜色的颜色数据来确定再现设备的色域; （c）根据确定的再现设备的色域修改源设备的色域; （d）确定源设备的修改色域与所确定的再现设备色域之间的映射关系; 和（e）基于确定的映射关系创建映射表。

6. 发明申请

US20080080767A1 Method and apparatus for performing gamut mapping between heterogeneous devices 审中-公开
标题翻译：用于在异构设备之间执行色域映射的方法和装置
公开(公告)号：US20080080767A1
公开(公告)日：2008-04-03
申请号：US11902934
申请日：2007-09-26
申请人： Min-ki Cho , Heui-keun Choh , YouSun Bang , Se-eun Kim , Yun-tae Kim
发明人： Min-ki Cho , Heui-keun Choh , YouSun Bang , Se-eun Kim , Yun-tae Kim
IPC分类号： H04N1/60 , G06T11/00
CPC分类号： H04N1/6027 , H04N1/603 , H04N1/6058
摘要： Provided is a method and apparatus to perform gamut mapping between heterogeneous devices, more particularly, a method and apparatus to map a color of a device to an identical or visually and sensually preferable color of another device having a different color gamut. The method includes adjusting lightness of a color of a source device by scaling to match a lightness range of the source device with a lightness range of a destination device; modifying the adjusted lightness of the color of the source device by adjusting a color gamut of the source device to a color gamut of the destination device; and to map the modified color of the source device to a color in the color gamut of the destination device.
摘要翻译：提供了一种用于在异构设备之间执行色域映射的方法和装置，更具体地，涉及将设备的颜色映射到具有不同色域的另一设备的相同或视觉和感官优选颜色的方法和装置。该方法包括通过缩放来调整源设备的颜色的亮度，以使源设备的亮度范围与目的地设备的亮度范围相匹配; 通过将源设备的色域调整到目的地设备的色域来修改源设备的颜色的调节亮度; 并将源设备的修改颜色映射到目的地设备的色域中的颜色。

7. 发明申请

US20070109570A1 Apparatus, system and method for reproducing color according to light source 审中-公开
标题翻译：用于根据光源再现颜色的装置，系统和方法
公开(公告)号：US20070109570A1
公开(公告)日：2007-05-17
申请号：US11525074
申请日：2006-09-22
申请人： Min-ki Cho , Heui-keun Choh , Se-eun Kim
发明人： Min-ki Cho , Heui-keun Choh , Se-eun Kim
IPC分类号： H04N1/60
CPC分类号： H04N1/6088
摘要： A host apparatus, system, and method are provided for reproducing color by predicting change in color of an image according to chromaticity of various observation light sources. The host apparatus includes: a lookup-table-generation module generating mapping information with regard to an image having a format and a calibrated image, which corresponds to the image and is calibrated according to an observation light source; and an image calibration module calibrating an input original image according to an observation light source selected by a user based on the mapping information.
摘要翻译：提供了一种主机装置，系统和方法，用于通过根据各种观察光源的色度预测图像的颜色变化来再现颜色。主机装置包括：查找表生成模块，生成与图像对应的具有格式和校准图像的图像的映射信息，并且根据观察光源进行校准; 以及图像校准模块，根据由用户基于映射信息选择的观察光源来校准输入的原始图像。

8. 发明申请

US20070086028A1 Gamut mapping method and apparatus 失效
标题翻译：色域映射方法和装置
公开(公告)号：US20070086028A1
公开(公告)日：2007-04-19
申请号：US11543874
申请日：2006-10-06
申请人： Min-ki Cho , Byoung-ho Kang , Se-eun Kim , Heui-keun Choh
发明人： Min-ki Cho , Byoung-ho Kang , Se-eun Kim , Heui-keun Choh
IPC分类号： G06F15/00
CPC分类号： H04N1/6058
摘要： A gamut mapping method and apparatus are provided which allow a reproduction device to properly represent colors that are not within a gamut boundary of the reproduction device but within in a gamut boundary of a source device. The gamut mapping method includes (a) setting a cut-off rate for a predetermined color component and defining a cut-off region on a standard color circle; (b) determining a gamut of a reproduction device using color data which is part of basic color data and corresponds to colors that do not belong to the cut-off region; (c) modifying a gamut of a source device according to the determined gamut of the reproduction device; (d) determining a mapping relationship between the modified gamut of the source device and the determined gamut of the reproduction device; and (e) creating a mapping table based on the determined mapping relationship.
摘要翻译：提供了一种色域映射方法和装置，其允许再现设备适当地表示不在再现设备的色域边界内但在源设备的色域边界内的颜色。色域映射方法包括：（a）设置预定颜色分量的截止率并在标准色圆上定义截止区域; （b）使用作为基本颜色数据的一部分并且对应于不属于截止区域的颜色的颜色数据来确定再现设备的色域; （c）根据确定的再现设备的色域修改源设备的色域; （d）确定源设备的修改色域与所确定的再现设备色域之间的映射关系; 和（e）基于确定的映射关系创建映射表。

9. 发明授权

US08705152B2 System, medium, and method calibrating gray data 失效
标题翻译：系统，中等和方法校准灰色数据
公开(公告)号：US08705152B2
公开(公告)日：2014-04-22
申请号：US11892426
申请日：2007-08-22
申请人： Min-ki Cho , Heui-keun Choh , YouSun Bang , Se-eun Kim , Yun-tae Kim
发明人： Min-ki Cho , Heui-keun Choh , YouSun Bang , Se-eun Kim , Yun-tae Kim
IPC分类号： H04N1/46 , G06K1/00
CPC分类号： H04N1/62 , H04N1/6027
摘要： A system, medium, and method calibrating gray data. The system calibrating gray data includes a transformation unit to transform red, green, and blue (RGB) data of a source device into transformed color data of a different color space using a color appearance model, and a calibration unit to map a chroma value of gray data, corresponding to the transformed color data, in the different color space to a predetermined value to generate calibrated color space data.
摘要翻译：一种校准灰度数据的系统，介质和方法。系统校准灰度数据包括变换单元，其使用颜色外观模型将源设备的红，绿和蓝（RGB）数据变换为不同颜色空间的变换颜色数据，以及校准单元，用于将色度值对应于变换的颜色数据的灰度数据在不同的颜色空间中达到预定值，以产生经校准的色彩空间数据。

10. 发明授权

US07626742B2 Color data conversion apparatus and method using gamut boundary descriptors 失效
标题翻译：彩色数据转换装置和方法使用色域边界描述符
公开(公告)号：US07626742B2
公开(公告)日：2009-12-01
申请号：US11354927
申请日：2006-02-16
申请人： Min-ki Cho , Dae-won Kim , Heui-keun Cho , Byoung-ho Kang
发明人： Min-ki Cho , Dae-won Kim , Heui-keun Cho , Byoung-ho Kang
IPC分类号： G03F3/08 , H04N1/46 , G06K9/00
CPC分类号： H04N1/6022 , H04N1/6058
摘要： A color data conversion apparatus and method. The color data conversion apparatus includes a K ratio calculator for outputting a K ratio that is calculated using entered color data; a K ratio adjuster for adjusting the calculated K ratio, which is output from the K ratio calculator, in reference to gamut boundary descriptors (GBDs) corresponding to a K ratio and outputting the adjusted K ratio as a final K ratio; and a CMY ratio calculator for calculating C, M, and Y ratios based on the final K ratio. When converting the entered color data to the CMYK data, the calculated K ratio can be adjusted to the K ratio printable by use of the K GBDs. Accordingly, the printing apparatus can substantially print according to the calculated K ratio and thus the degradation of the printing quality can be avoided.
摘要翻译：一种彩色数据转换装置和方法。彩色数据转换装置包括：K比率计算器，用于输出使用输入的颜色数据计算出的K比; 相对于与K比对应的色域边界描述符（GBD），调整从K比计算器输出的计算出的K比的K比率调整器，并输出调整后的K比作为最终的K比; 以及基于最终K比计算C，M和Y比率的CMY比率计算器。将输入的颜色数据转换为CMYK数据时，可以将计算的K比率调整为使用K GBD可打印的K比率。因此，打印装置可以根据计算出的K比进行实质的打印，从而可以避免打印质量的劣化。

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