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公开(公告)号：JP2007049711A
公开(公告)日：2007-02-22
申请号：JP2006215292
申请日：2006-08-08
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： ZHANG YEQING , LOCE ROBERT P , BALA RAJA
CPC classification number: H04N1/6016
Abstract: PROBLEM TO BE SOLVED: To provide a color transformation method with which color correction can be efficiently applied to images.
SOLUTION: A color transformation method comprises: for each of a plurality of color separations of a digital image: (a) establishing a tone reproduction curve in the form of a vector, the vector being a function of a plurality of basis vectors, which accounts for colorant interactions between a primary colorant with which the color separation is to be rendered and at least one secondary colorant with which at least a second of the plurality of color separations is to be rendered, the vector including modified input values corresponding to input values for the color separation which vary, depending on the input values of at least the second color separation; and (b) for a pixel of interest in the digital image having a given input value for the color separation and a given input value for at least the second color separation, identifying, from the vector, a modified input value for the color separation which corresponds to the input value of the color separation.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供可以有效地对图像进行颜色校正的颜色变换方法。 解决方案：颜色变换方法包括：对于数字图像的多个分色中的每一个：（a）建立矢量形式的色调再现曲线，所述矢量是多个基本矢量的函数 ，其考虑了将要渲染颜色分离的主要着色剂与待渲染颜色分离的至少一种次要着色剂之间的着色剂相互作用，至少一个次要着色剂将与多个着色分离中的至少一个分色呈现，所述载体包括对应于 颜色分离的输入值根据至少第二颜色分离的输入值而变化; 和（b）对于具有用于颜色分离的给定输入值的数字图像中的感兴趣的像素和用于至少第二颜色分离的给定输入值，从矢量识别用于颜色分离的修改的输入值， 对应于颜色分离的输入值。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2005012793A
公开(公告)日：2005-01-13
申请号：JP2004173662
申请日：2004-06-11
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： SHARMA GAURAV , BALA RAJA , VAN DE CAPELLE JEAN-PIERRE R N , MALTZ MARTIN S , MESTHA LALIT K
CPC classification number: H04N1/50 , G09G5/04 , G09G2320/0276 , G09G2320/0693 , H04N1/603
Abstract: PROBLEM TO BE SOLVED: To provide an enhanced color print and display method and system. SOLUTION: A color output device is generally driven by at least three independent control signals for control of its response. A desired response in device independent color space is normally obtained by employing a cascade consisting of a characterization transform and calibration transform. The calibration transform transforms input control variables into output control variables that are directly used to drive the device. Input control variables can be transformed into intermediate control variables, which can be then mapped to output control variables utilizing a two-dimensional transformation. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation: 要解决的问题：提供增强的彩色打印和显示方法和系统。 解决方案：彩色输出设备通常由至少三个独立的控制信号驱动，以控制其响应。 通常通过使用由特征变换和校准变换组成的级联来获得器件独立色彩空间中的期望响应。 校准变换将输入控制变量转换为直接用于驱动器件的输出控制变量。 输入控制变量可以转换为中间控制变量，然后可以使用二维变换将其映射到输出控制变量。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2002183730A
公开(公告)日：2002-06-28
申请号：JP2001269603
申请日：2001-09-06
Applicant: XEROX CORP
Inventor： BALA RAJA
Abstract: PROBLEM TO BE SOLVED: To provide a method for deciding the colorimetry of an image applied when the colorimetry of the image or a formation device thereof is unknown and to provide a color image processor. SOLUTION: This method 300 for automatically detecting the colorimetry in a CMYK image file includes the calculation of discriminating amounts based on the relationship, saturation 410 and luminance 420 of color materials. A rough statistical calculation such as the mean value or standard deviation of the discriminating amount is used for drawing a set of a known image colorimetry classification. At least one classification algorithm is used for assigning a known colorimetry classification to an image of unknown colorimetry 330. This color image processor 1000 operating so as to automatically detect image colorimetry has a training image analyzer 1010, a colorimetry detector 1020 and a classification associator 1030.
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44.发明专利Method for creating fluorescent mark indicator of substrate containing optical brightening agents and fluorescent mark indicator 有权用于创建含有光学加工剂和荧光标记指示剂的基底的荧光标记指示剂的方法
公开(公告)号：JP2008301487A
公开(公告)日：2008-12-11
申请号：JP2008134533
申请日：2008-05-22
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： BALA RAJA , ESCHBACH REINER , WANG SHEN-GE , ZHAO YONGHUI
CPC classification number: B41M3/144
Abstract: PROBLEM TO BE SOLVED: To provide a method for creating a fluorescence mark indicator such as a fluorescent watermark which can be acquired without physically correcting a printing device and without using any special material and medium. SOLUTION: A method for creating a fluorescence mark indicator includes selecting a desired colorant combination from within an available color gamut, deriving a first dot design pattern 31 to provide the desired colorant combination, and deriving a second dot design pattern 30 to provide a colorant combination desirable for printing. The first dot design is comprised of substantially non-overlapping primary colorants to provide a high paper coverage and thereby having a property of high suppression of substrate fluorescence. The second dot design is comprised of primary colorants to provide a low paper coverage while having substantially similar average color appearance as the first dot design under normal light, and thus having a property of low suppression of substrate fluorescence. The resultant printed image suitably exposed to an ultra-violet light source, yields a discernible pattern evident as a fluorescent mark ○. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种用于产生诸如荧光水印的荧光标记指示器的方法，其可以在不物理地校正打印装置的情况下获取并且不使用任何特殊的材料和介质。 解决方案：用于产生荧光标记指示符的方法包括从可用色域内选择所需的着色剂组合，得到第一点设计图案31以提供所需的着色剂组合，以及导出第二点设计图案30以提供 印刷所需的着色剂组合。 第一个点设计由基本上不重叠的原色剂组成，以提供高的纸张覆盖率，从而具有高的底物荧光抑制性能。 第二点设计由初级着色剂组成，以提供低纸张覆盖，同时具有与正常光下的第一点设计基本上相似的平均颜色外观，因此具有低的底物荧光抑制性质。 合适地暴露于紫外光源的印刷图像产生明显的荧光标记○。 版权所有（C）2009，JPO＆INPIT
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45.发明专利
公开(公告)号：JP2008296580A
公开(公告)日：2008-12-11
申请号：JP2008134532
申请日：2008-05-22
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： BALA RAJA , ESCHBACH REINER , WANG SHEN-GE , ZHAO YONGHUI
CPC classification number: B42D25/387 , B41M3/144 , B42D25/00 , B42D25/29 , B42D25/333 , Y10T428/24802
Abstract: PROBLEM TO BE SOLVED: To provide a mark indicator such as a fluorescent openmark capable of being acquired without physically modifying a printing device and using special material and medium. SOLUTION: The fluorescent mark indicator comprises a substrate (paper) containing optical brightener, a first dot design 31 for to be filled with a first pattern, and a second dot design 30 located tightly adjacent to the first pattern to be filled with a complementary pattern printed as an image on the substrate. The first dot design is formed with non-overlapped primary coloring agent which gives a high paper coverage, and has high substrate fluorescence suppressing property. The second dot design is formed with primary coloring agent arranged to produce a relatively low paper coverage, and has an average colored appearance substantially similar to the first dot design under normal light and low substrate fluorescence suppressing property. A printed image exposed to a ultraviolet light source produces an identifiable pattern as a fluorescent mark O. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种能够在不物理地修改打印装置和使用特殊材料和介质的情况下获取的能够获取的荧光打标的标记指示器。 荧光标记指示器包括含有荧光增白剂的基材（纸），用于填充第一图案的第一点设计31和与第一图案紧密相邻的第二点设计30，以填充第一图案 在衬底上作为图像印刷的互补图案。 第一点设计由非重叠的初级着色剂形成，其提供高的纸张覆盖率，并且具有高的底物荧光抑制性能。 第二点设计由主要着色剂形成，其布置成产生相对低的纸张覆盖，并且在正常光和低底物荧光抑制性质下具有与第一点设计基本相似的平均着色外观。 暴露于紫外光源的印刷图像产生可识别的图案作为荧光标记O.版权所有（C）2009，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2008148300A
公开(公告)日：2008-06-26
申请号：JP2007308385
申请日：2007-11-29
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： LOCE ROBERT P , BALA RAJA , BRAUN KAREN M
CPC classification number: H04N1/32309 , H04N1/32299
Abstract: PROBLEM TO BE SOLVED: To provide a method and system for providing a watermark (hidden information) in an image using extended colorant sets.
SOLUTION: The extended colorant set for watermarking is used when supporting a plurality of colorant recipes for rendering a given color. As watermark data to be encoded in the image change state with image position, alternate colorant recipes or colorant selection functions are selected. The image is rendered (displayed) based on the alternate colorant recipe selections. Watermark information is encoded in the colorant recipe or colorant selection function selection.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种用于使用扩展着色剂组在图像中提供水印（隐藏信息）的方法和系统。 解决方案：当支持用于渲染给定颜色的多个着色剂配方时，使用用于水印的扩展着色剂组。 作为要在具有图像位置的图像改变状态中编码的水印数据，选择替代着色剂配方或着色剂选择功能。 基于备选着色剂配方选择渲染（显示）图像。 水印信息在着色剂配方或着色剂选择功能选择中进行编码。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2005176385A
公开(公告)日：2005-06-30
申请号：JP2004359134
申请日：2004-12-10
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： BALA RAJA
CPC classification number: H04N1/6027 , H04N1/6072
Abstract: PROBLEM TO BE SOLVED: To provide a color gamut mapping system in which luminance compression varies across different parts of an image.
SOLUTION: The color gamut mapping system includes: an image processing module for transforming an input image into a luminance component L
in and chrominance components, C
1 and C
2 ; a spatial low pass filter, responsive to L
in for outputting a filtered luminance component L
f ; and a luminance compression module responsive to L
f and L
in for outputting a compressed luminance signal L
out that is within the achievable luminance range of an output device.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：提供其中亮度压缩在图像的不同部分上变化的色域映射系统。 色域映射系统包括：图像处理模块，用于将输入图像变换为中的亮度分量L
和色度分量C 1 和C < SB> 2 ; 响应于中的L 输出滤波亮度分量L f 的空间低通滤波器; 以及响应于中的L F 和L 的亮度压缩模块，用于输出在可实现的亮度范围内的压缩亮度信号L out 输出设备。 版权所有（C）2005，JPO＆NCIPI -
公开(公告)号：JP2005176384A
公开(公告)日：2005-06-30
申请号：JP2004359132
申请日：2004-12-10
Applicant: Xerox Corp , ゼロックス コーポレイションXerox Corporation
Inventor： BALA RAJA
CPC classification number: H04N1/60
Abstract: PROBLEM TO BE SOLVED: To automatically determine a color space of an input image as to whether a 3-channel color image is in a device dependent color space such as RGB or a luminance-chrominance color space.
SOLUTION: A method for determining whether an input image is defined in accordance with a luminance-chrominance color space, includes an input apparatus for receiving an input image in three dimensional color space, S 1, S 2 and S 3, where S 1 is an image value in the first dimension, S 2 is an image value in the second dimension and S 3 is an image value in the third dimension; and a processor for extracting low and high extrema of S 1 values in the image in response to the received input image, obtaining deviation of S 2 and S 3 from a predefined neutral axis for all pixels in the image whose S 1 value is either the low or the high extremum, testing a condition that certain of the deviations are within predetermined thresholds, and determining, if the condition holds true, that the image is in a luminance-chrominance color space.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：为了自动确定输入图像的颜色空间是关于三通道彩色图像是否在诸如RGB的设备相关色彩空间或亮度色度色彩空间中。 解决方案：一种用于确定输入图像是否根据亮度 - 色度色彩空间定义的方法，包括用于在三维色彩空间S 1，S 2和S 3中接收输入图像的输入装置，其中 S 1是第一尺寸中的图像值，S 2是第二维度中的图像值，S 3是第三维度中的图像值; 以及处理器，用于响应于所接收的输入图像提取图像中的S 1值的低和高极值，从而获得S 2值和S 3值对于S 1值为 测量某些偏差在预定阈值内的条件，以及如果条件成立则确定图像在亮度 - 色度色彩空间中。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2002304621A
公开(公告)日：2002-10-18
申请号：JP2001388850
申请日：2001-12-21
Applicant: XEROX CORP
Inventor： KLASSEN R VICTOR , BALA RAJA
Abstract: PROBLEM TO BE SOLVED: To efficiently perform color conversion from a 1st color space to a 2nd color space. SOLUTION: A pixel value represented in a starting color space is received in a processor and also represented as a function of the pixel value and intermediate-point interpolation in a previously defined look-up table in a final color space, and the converted pixel value is specified to generate the converted pixel value in the final color space through an output device. A system is equipped with a means for specifying a specified color value in the 1st color space, a processor which receives the color space value representing a color predetermined as a function of the specified color value and intermediate-point interpolation as the converted color space value from a look-up table specified by the final color space, a memory device which stores the converted color space value, and an output device for generating the converted color space value and generates the specified color in the final color space.
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50.发明专利
公开(公告)号：JP2002208004A
公开(公告)日：2002-07-26
申请号：JP2001363746
申请日：2001-11-29
Applicant: XEROX CORP
Inventor： MALTZ MARTIN S , KLASSEN R VICTOR , BALA RAJA
Abstract: PROBLEM TO BE SOLVED: To edit a transformation table to be used for transforming a color value between different color spaces. SOLUTION: An image is received in a first color space, and a first image output and a second image output related with the image following a transform function are respectively generated in the first and third color spaces, and the second output part corresponding to the first output part including a color to be corrected is selected through a graphical user interface, and the quantity necessary for correcting the color is designated, and a monotone correction function is decided according to the necessary quantity, and a transformation table is edited according to the monotone correction function.
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