公开(公告)号：US07719713B2

公开(公告)日：2010-05-18

申请号：US11762908

申请日：2007-06-14

申请人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai

发明人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai

IPC分类号： G06F15/00

CPC分类号： H04N1/52

摘要： An image processing apparatus, has: a conversion unit that converts input image information including a first color component and a second color component into output image information in which, with regard to each of the color components, the number of gray levels per pixel is smaller than the number of gray levels per pixel in the input image information and a gray level of the input image information is expressed by a gray level value of each pixel and a dot density and in which the size of a dot is different between the first color component and the second color component; and an output unit that outputs the output image information obtained by the conversion unit.

摘要翻译： 一种图像处理装置，具有：将包括第一颜色分量和第二颜色分量的输入图像信息转换为输出图像信息的转换单元，其中，对于每个颜色分量，每个像素的灰度级数较小 比输入图像信息中的每个像素的灰度数量和输入图像信息的灰度级由每个像素的灰度值和点密度表示，并且其中点的尺寸在第一颜色 组件和第二颜色分量; 以及输出单元，其输出由转换单元获得的输出图像信息。

公开(公告)号：US20090059302A1

公开(公告)日：2009-03-05

申请号：US12058860

申请日：2008-03-31

申请人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai ,  Kouta Matsuo

发明人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai ,  Kouta Matsuo

IPC分类号： H04N1/40

CPC分类号： H04N1/4055

摘要： An image processor includes: a gradation value acquisition unit that acquires a gradation value of a pixel of interest which is a pixel sequentially selected as a target of a binarization process from input image data represented by pixels of M gradations, wherein M≧3; and a pattern determination unit that determines a filling pattern of a group of pixels of output image data corresponding to the pixel of interest according to a corrected gradation value acquired by adding, to the gradation value of the pixel of interest, an error value diffused from a pixel at a periphery of the pixel of interest, wherein the filling pattern includes at least a first pattern in which a predetermined plurality of pixels are filled and which forms a core of a dot and a third pattern in which substantially no pixel is filled and the pattern determination unit determines the filling pattern to be one of the first pattern and the third pattern according to a size relationship between the corrected gradation value and a predetermined threshold value which spatially varies in a periodic manner.

摘要翻译： 图像处理器包括：灰度值获取单元，其从M个等级的像素表示的输入图像数据中获取作为从二值化处理的目标顺序选择的像素的感兴趣像素的灰度值，其中M> = 3; 以及图案确定单元，其根据通过将关注像素的灰度值相加而获得的校正灰度值来确定与感兴趣像素对应的输出图像数据的像素组的填充图案， 所述填充图案至少包括第一图案，其中预定的多个像素被填充并且形成点的核心和其中基本上不填充像素的第三图案;以及 图案确定单元根据校正灰度值与周期性地空间变化的预定阈值之间的尺寸关系，确定填充图案为第一图案和第三图案之一。

公开(公告)号：US08064689B2

公开(公告)日：2011-11-22

申请号：US11939061

申请日：2007-11-13

申请人： Shigeru Arai ,  Kazuo Asano ,  Toru Misaizu ,  Takeshi Saito

发明人： Shigeru Arai ,  Kazuo Asano ,  Toru Misaizu ,  Takeshi Saito

IPC分类号： G06K9/00 ,  G06K9/40

CPC分类号： H04N1/4052

摘要： An image processor has: a unit that executes a conversion process on input image data represented by pixels of M grayscales (M≧3), to convert the input data into output image data represented by sub-pixels of two grayscales; and a unit that outputs the output data, wherein the conversion process includes: a process to determine a filling pattern of sub-pixels corresponding to a pixel of interest of the input data according to a corrected grayscale value obtained by adding a correction value to a grayscale value of the pixel of interest; and the pattern includes a core pattern which forms a core of a dot and a growth pattern which grows a dot, the correction value includes a diffused error, and at least a part of the diffused error obtained by weighting an error of a pixel determined as the core pattern is not included in the correction value.

摘要翻译： 图像处理器具有：对由M个灰度（M≥3）的像素表示的输入图像数据执行转换处理的单元，将输入数据转换为由两个灰度级的子像素表示的输出图像数据; 以及输出所述输出数据的单元，其中，所述转换处理包括：根据通过将校正值与所述输入数据相加得到的校正灰度值来确定与所述输入数据的感兴趣像素相对应的子像素的填充图案的处理 感兴趣像素的灰度值; 并且图案包括形成点的核心的核心图案和生长点的生长图案，校正值包括扩散误差，以及通过加权确定为像素的像素的误差而获得的至少一部分扩散误差 核心图案不包括在校正值中。

公开(公告)号：US07898691B2

公开(公告)日：2011-03-01

申请号：US12058860

申请日：2008-03-31

申请人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai ,  Kouta Matsuo

发明人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai ,  Kouta Matsuo

IPC分类号： H04N1/40 ,  G03F3/08 ,  G06K9/00 ,  G06K9/66

CPC分类号： H04N1/4055

摘要： An image processor includes: a gradation value acquisition unit that acquires a gradation value of a pixel of interest which is a pixel sequentially selected as a target of a binarization process from input image data represented by pixels of M gradations, wherein M≧3; and a pattern determination unit that determines a filling pattern of a group of pixels of output image data corresponding to the pixel of interest according to a corrected gradation value acquired by adding, to the gradation value of the pixel of interest, an error value diffused from a pixel at a periphery of the pixel of interest, wherein the filling pattern includes at least a first pattern in which a predetermined plurality of pixels are filled and which forms a core of a dot and a third pattern in which substantially no pixel is filled and the pattern determination unit determines the filling pattern to be one of the first pattern and the third pattern according to a size relationship between the corrected gradation value and a predetermined threshold value which spatially varies in a periodic manner.

摘要翻译： 图像处理器包括：灰度值获取单元，其从M个等级的像素表示的输入图像数据中获取作为从二值化处理的目标顺序选择的像素的感兴趣像素的灰度值，其中M≥3; 以及图案确定单元，其根据通过将关注像素的灰度值相加而获得的校正灰度值来确定与感兴趣像素对应的输出图像数据的像素组的填充图案， 所述填充图案至少包括第一图案，其中预定的多个像素被填充并且形成点的核心和其中基本上不填充像素的第三图案;以及 图案确定单元根据校正灰度值与周期性地空间变化的预定阈值之间的尺寸关系，确定填充图案为第一图案和第三图案之一。

公开(公告)号：US20080310748A1

公开(公告)日：2008-12-18

申请号：US11939061

申请日：2007-11-13

申请人： Shigeru Arai ,  Kazuo Asano ,  Toru Misaizu ,  Takeshi Saito

发明人： Shigeru Arai ,  Kazuo Asano ,  Toru Misaizu ,  Takeshi Saito

IPC分类号： G06K9/36

CPC分类号： H04N1/4052

摘要： An image processor has: a unit that executes a conversion process on input image data represented by pixels of M grayscales (M≧3), to convert the input data into output image data represented by sub-pixels of two grayscales; and a unit that outputs the output data, wherein the conversion process includes: a process to determine a filling pattern of sub-pixels corresponding to a pixel of interest of the input data according to a corrected grayscale value obtained by adding a correction value to a grayscale value of the pixel of interest; and the pattern includes a core pattern which forms a core of a dot and a growth pattern which grows a dot, the correction value includes a diffused error, and at least a part of the diffused error obtained by weighting an error of a pixel determined as the core pattern is not included in the correction value.

摘要翻译： 图像处理器具有：对由M个灰度（M> = 3）的像素表示的输入图像数据执行转换处理的单元，将输入数据转换为由两个灰度级的子像素表示的输出图像数据; 以及输出所述输出数据的单元，其中，所述转换处理包括：根据通过将校正值与所述输入数据相加得到的校正灰度值来确定与所述输入数据的感兴趣像素相对应的子像素的填充图案的处理 感兴趣像素的灰度值; 并且图案包括形成点的核心的核心图案和生长点的生长图案，校正值包括扩散误差，以及通过加权确定为像素的像素的误差而获得的至少一部分扩散误差 核心图案不包括在校正值中。

公开(公告)号：US20080137113A1

公开(公告)日：2008-06-12

申请号：US11762908

申请日：2007-06-14

申请人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai

发明人： Takeshi Saito ,  Kazuo Asano ,  Toru Misaizu ,  Shigeru Arai

IPC分类号： G06F15/00

CPC分类号： H04N1/52

摘要： An image processing apparatus, has: a conversion unit that converts input image information including a first color component and a second color component into output image information in which, with regard to each of the color components, the number of gray levels per pixel is smaller than the number of gray levels per pixel in the input image information and a gray level of the input image information is expressed by a gray level value of each pixel and a dot density and in which the size of a dot is different between the first color component and the second color component; and an output unit that outputs the output image information obtained by the conversion unit.

摘要翻译： 一种图像处理装置，具有：将包括第一颜色分量和第二颜色分量的输入图像信息转换为输出图像信息的转换单元，其中，对于每个颜色分量，每个像素的灰度级数较小 比输入图像信息中的每个像素的灰度数量和输入图像信息的灰度级由每个像素的灰度值和点密度表示，并且其中点的尺寸在第一颜色 组件和第二颜色分量; 以及输出单元，其输出由转换单元获得的输出图像信息。

公开(公告)号：US20110063629A1

公开(公告)日：2011-03-17

申请号：US12724001

申请日：2010-03-15

申请人： Shigeru Arai ,  Kenji Hara ,  Toru Misaizu ,  Takeshi Saito ,  Haruka Saito ,  Kouta Matsuo

发明人： Shigeru Arai ,  Kenji Hara ,  Toru Misaizu ,  Takeshi Saito ,  Haruka Saito ,  Kouta Matsuo

IPC分类号： G06K15/02 ,  H04N1/40

CPC分类号： H04N1/40068

摘要： An image processing apparatus includes: a reception unit that receives an image in gray-level representation with respect to a pixel; a determination unit that determines a deviation direction of a pixel value of the pixel in the image received by the reception unit; and a processing unit that performs processing on the image received by the reception unit based on the deviation direction determined by the determination unit.

摘要翻译： 一种图像处理装置，包括：接收单元，其接收相对于像素的灰度级表示的图像; 确定单元，确定由所述接收单元接收的图像中的像素的像素值的偏离方向; 以及处理单元，其基于由所述确定单元确定的偏差方向对由所述接收单元接收的图像执行处理。

公开(公告)号：US20110058224A1

公开(公告)日：2011-03-10

申请号：US12724504

申请日：2010-03-16

申请人： Takeshi Saito ,  Haruka Saito ,  Masahiko Kubo ,  Kenji Hara ,  Toru Misaizu ,  Shigeru Arai ,  Kouta Matsuo

发明人： Takeshi Saito ,  Haruka Saito ,  Masahiko Kubo ,  Kenji Hara ,  Toru Misaizu ,  Shigeru Arai ,  Kouta Matsuo

IPC分类号： H04N1/405

CPC分类号： H04N1/4051 ,  H04N1/52

摘要： A color processor includes: an acquisition unit that acquires first and second multi-valued color signals respectively indicating in a multi-valued manner quantities of first and second color materials used for reproducing color with a specific hue, the second color material having a different density from the first color material; a generation unit that generates first and second binary color signals by performing dither processing, respectively with first and second dither matrices, for the first and second multi-valued color signals acquired by the acquisition unit, the second dither matrix having the same angle and the same number of lines as the first dither matrix and being used for forming halftone dots at positions different from positions of halftone dots formed by use of the first dither matrix; and an output unit that outputs to a print mechanism the first and second binary color signals generated by the generation unit.

摘要翻译： 彩色处理器包括：获取单元，其获取分别以多值方式指示用于用特定色调再现颜色的第一和第二颜色材料的第一和第二多值颜色信号，所述第二颜色材料具有不同的密度 从第一色材料; 生成单元，其通过对由所述获取单元获取的所述第一和第二多值颜色信号分别具有第一和第二抖动矩阵进行抖动处理来生成第一和第二二进制颜色信号，所述第二抖动矩阵具有相同的角度，并且 与第一抖动矩阵相同数量的线，用于在与使用第一抖动矩阵形成的半色调点的位置不同的位置处形成半色调点; 以及输出单元，其向打印机构输出由生成单元生成的第一和第二二进制颜色信号。

公开(公告)号：US08385635B2

公开(公告)日：2013-02-26

申请号：US12397133

申请日：2009-03-03

申请人： Kouta Matsuo ,  Toru Misaizu ,  Takeshi Saito ,  Shigeru Arai

发明人： Kouta Matsuo ,  Toru Misaizu ,  Takeshi Saito ,  Shigeru Arai

IPC分类号： G06K9/00

CPC分类号： H04N1/52

摘要： An image processing apparatus includes a screen processing unit that performs, on a color component basis, screen processing for a color signal having basic color components and at least one spot color component. The screen processing unit performs FM screen processing for one of the basic color components of the color signal and performs AM screen processing for the color components, other than the one of the basic color components, of the color signal with four types of screen angles.

摘要翻译： 一种图像处理装置包括：屏幕处理单元，其在颜色分量的基础上执行具有基本颜色分量和至少一个专色分量的彩色信号的屏幕处理。 屏幕处理单元对彩色信号的基本颜色分量之一执行FM屏幕处理，并且对于具有四种类型的屏幕角度的彩色信号的除基色分量之外的颜色分量执行AM屏幕处理。

公开(公告)号：US20100080454A1

公开(公告)日：2010-04-01

申请号：US12397133

申请日：2009-03-03

申请人： Kouta MATSUO ,  Toru Misaizu ,  Takeshi Saito ,  Shigeru Arai

发明人： Kouta MATSUO ,  Toru Misaizu ,  Takeshi Saito ,  Shigeru Arai

IPC分类号： G06K9/00

CPC分类号： H04N1/52

摘要： An image processing apparatus includes a screen processing unit that performs, on a color component basis, screen processing for a color signal having basic color components and at least one spot color component. The screen processing unit performs FM screen processing for one of the basic color components of the color signal and performs AM screen processing for the color components, other than the one of the basic color components, of the color signal with four types of screen angles.

摘要翻译： 一种图像处理装置包括：屏幕处理单元，其在颜色分量的基础上执行具有基本颜色分量和至少一个专色分量的彩色信号的屏幕处理。 屏幕处理单元对彩色信号的基本颜色分量之一执行FM屏幕处理，并且对于具有四种类型的屏幕角度的彩色信号的除基色分量之外的颜色分量执行AM屏幕处理。