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1. 发明申请

US20130063786A1 THRESHOLD MATRIX GENERATING METHOD, THRESHOLD MATRIX GENERATING DEVICE, THRESHOLD MATRIX, QUANTIZATION DEVICE, AND IMAGE FORMATTING DEVICE 有权
标题翻译：阈值矩阵生成方法，阈值矩阵生成装置，阈值矩阵，量化装置和图像形成装置
公开(公告)号：US20130063786A1
公开(公告)日：2013-03-14
申请号：US13696725
申请日：2011-05-09
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： G06K15/02
CPC分类号： G06K15/1881 , G06K15/02 , H04N1/4051
摘要： A threshold matrix generating method includes: generating q(x, y, g) in which the number of dots in an initial dot pattern is varied; calculating an error matrix (ERR(x, y, g)) of q(x, y, g); calculating AVE(a, b) representing the uniformity of the number of dots in discrete blocks into which the dot pattern has been divided; determining two pixels, of which the dot positions are to be swapped, on the basis of ERR (x, y, g) and AVE(a, b); swapping the dot positions; calculating the evaluation value (MSE(n)) of q(x, y, g) after the positional swapping; and repeating the positional switch of the dots repeating the generation of q(x, y, g) and the positional swapping of the dots with q(x, y, g) functioning as the initial dot pattern until a q(x, y, g) satisfying MSN(n)
摘要翻译：阈值矩阵生成方法包括：生成其中初始点图案中的点数变化的q（x，y，g）计算q（x，y，g）的误差矩阵（ERR（x，y，g））; 计算表示已经划分了点图案的离散块中的点数的均匀性的AVE（a，b）基于ERR（x，y，g）和AVE（a，b）确定要交换的点位置的两个像素; 交换点位置; 在位置交换之后计算q（x，y，g）的评估值（MSE（n））; 并且重复产生q（x，y，g）的点的位置切换和用作起始点图案的q（x，y，g）的点的位置交换，直到aq（x，y，g ）满足MSN（n）

2. 发明申请

US20060098045A1 Image forming apparatus, image forming method and image forming program 有权
标题翻译：图像形成装置，图像形成方法和图像形成程序
公开(公告)号：US20060098045A1
公开(公告)日：2006-05-11
申请号：US11267846
申请日：2005-11-04
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： B41J2/21
CPC分类号： H04N1/4053 , H04N1/40087
摘要： An image forming apparatus, for forming an image with plural types of dots having different densities per unit area in a same hue, including: a section to compare between a pixel value of a target pixel and a value of a prescribed threshold value matrix, and to determine, based on the comparison, whether to form a first type of dot at a position corresponding to the target pixel; a section for calculating a corrected threshold value matrix from the prescribed threshold value matrix; a section for calculating a second determining condition by reflecting the corrected threshold value matrix; and a section for determining whether to form the second type of dot, based on a target pixel value added an error with an error diffusion process and the second determining condition, at the position where the first type of dot has been determined not to be formed.
摘要翻译：一种用于在相同色调中形成具有每单位面积不同密度的多种点的图像的图像形成装置，包括：用于比较目标像素的像素值和规定阈值矩阵的值的部分，以及基于比较来确定是否在与目标像素对应的位置处形成第一类型的点; 用于根据所述规定的阈值矩阵计算校正的阈值矩阵的部分; 用于通过反映校正的阈值矩阵来计算第二确定条件的部分; 以及基于在误差扩散处理和第二确定条件下添加了误差的目标像素值，确定是否形成第二类型的点的部分，在确定不形成第一类型的点的位置处。

3. 发明授权

US08982421B2 Method and device for generating threshold matrix for determining state of formation of dots composing output image, quantizer comprising threshold matrix for generating output image data, and image forming device and storage device comprising threshold matrix 有权
标题翻译：用于产生用于确定构成输出图像的点的形成状态的阈值矩阵的方法和装置，包括用于生成输出图像数据的阈值矩阵的量化器，以及包括阈值矩阵的图像形成装置和存储装置
公开(公告)号：US08982421B2
公开(公告)日：2015-03-17
申请号：US13696725
申请日：2011-05-09
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： H04N1/40 , G06K15/02 , H04N1/405
CPC分类号： G06K15/1881 , G06K15/02 , H04N1/4051
摘要： A threshold matrix generating method includes: generating q(x, y, g) in which the number of dots in an initial dot pattern is varied; calculating an error matrix (ERR(x, y, g)) of q(x, y, g); calculating AVE(a, b) representing the uniformity of the number of dots in discrete blocks into which the dot pattern has been divided; determining two pixels, of which the dot positions are to be swapped, on the basis of ERR (x, y, g) and AVE(a, b); swapping the dot positions; calculating the evaluation value (MSE(n)) of q(x, y, g) after the positional swapping; and repeating the positional switch of the dots repeating the generation of q(x, y, g) and the positional swapping of the dots with q(x, y, g) functioning as the initial dot pattern until a q(x, y, g) satisfying MSN(n)
摘要翻译：阈值矩阵生成方法包括：生成其中初始点图案中的点数变化的q（x，y，g）计算q（x，y，g）的误差矩阵（ERR（x，y，g））; 计算表示已经划分了点图案的离散块中的点数的均匀性的AVE（a，b）基于ERR（x，y，g）和AVE（a，b）确定要交换的点位置的两个像素; 交换点位置; 在位置交换之后计算q（x，y，g）的评估值（MSE（n））; 并且重复产生q（x，y，g）的点的位置切换和用作起始点图案的q（x，y，g）的点的位置交换，直到aq（x，y，g ）满足MSN（n）

4. 发明授权

US07554697B2 Image forming apparatus, image forming method, and image forming program 有权
标题翻译：图像形成装置，图像形成方法和图像形成程序
公开(公告)号：US07554697B2
公开(公告)日：2009-06-30
申请号：US11351377
申请日：2006-02-10
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： H04N1/405
CPC分类号： B41J2/2056 , H04N1/40087
摘要： An image forming apparatus, for forming an image with using distributions of two or more types of dots having different densities per unit area in a same hue, including: a threshold value matrix; and a dot formation determining section for carrying out comparison between a pixel value at a target pixel in the input image and a threshold value corresponding to the target pixel in the threshold value matrix, and for determining, whether to form or not to form any one of the two or more types of dots, wherein threshold values in the threshold value matrix are configured so that a frequency of dot formation is lower, for gradation regions in which a dot density of any of the two or more types of dots is low and/or high, than that for gradation regions in which the dot density is in average level.
摘要翻译：一种图像形成装置，用于使用在相同色调中使用每单位面积具有不同密度的两种或更多种类型的点的分布来形成图像，包括：阈值矩阵; 以及点形成确定部分，用于执行输入图像中的目标像素处的像素值与阈值矩阵中的目标像素对应的阈值之间的比较，并且用于确定是否形成任何一个其中阈值矩阵中的阈值被配置为使得点形成的频率较低，对于其中两个或更多个点中的任何一个的点密度低的灰度区域，以及 /或高于点密度处于平均水平的灰度区域。

5. 发明授权

US07497540B2 Image recording apparatus, image recording method, and image recording program 有权
标题翻译：图像记录装置，图像记录方法和图像记录程序
公开(公告)号：US07497540B2
公开(公告)日：2009-03-03
申请号：US11713501
申请日：2007-03-02
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： B41J2/205
CPC分类号： B41J2/17566
摘要： An image recording apparatus 1 for recording an image on a recording medium using colored ink and clear ink, including: an ink dot arrangement data generator 10B for generating colored ink dot arrangement data concerning arrangement of dots of the colored ink on the recording medium; a colored ink amount calculator 10C for calculating the amount of colored ink in a predetermined print area composed of pixels from the colored ink dot arrangement data; a clear ink amount calculator 10D for calculating the amount of clear ink in the predetermined print area from the amount of colored ink in the predetermined print area calculated by the colored ink amount calculator 10C; and a clear ink arranger 10E for arranging dots of clear ink in the predetermined print area,wherein, the clear ink arranger has two or more clear ink arrangement order patterns and when a preset condition is realized, selects the clear ink arrangement order pattern according to the condition and arranges dots of clear ink in the predetermined print area.
摘要翻译：一种图像记录装置1，用于使用彩色墨水和透明墨水将图像记录在记录介质上，该图像记录装置包括：墨点排列数据发生器10B，用于产生关于在记录介质上排列有色墨的点的彩色墨点布置数据; 彩色墨量计算器10C，用于根据彩色墨点布置数据计算由像素构成的预定打印区域中的着色墨水量; 清除墨量计算器10D，用于根据由着色墨量计算器10C计算的预定打印区域中的着色墨水量计算预定打印区域中的清除墨量; 以及清晰的墨水排列器10E，用于在预定打印区域中排列清晰墨水的点，其中，透明墨水排列器具有两个或更多个清晰的墨水排列顺序图案，并且当实现预设条件时，根据条件并在预定打印区域中布置清晰墨水的点。

6. 发明申请

US20060044339A1 Image forming apparatus, image forming method and image forming program 有权
标题翻译：图像形成装置，图像形成方法和图像形成程序
公开(公告)号：US20060044339A1
公开(公告)日：2006-03-02
申请号：US11210547
申请日：2005-08-24
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： B41J2/205
CPC分类号： H04N1/40087
摘要： An image forming apparatus, for forming an image by using distribution of plural types of dots, including: a first section, for making comparison between a pixel value of a target pixel and a value in a dither matrix stored in advance, and determining, whether a dot having the highest density be formed at a position corresponding to the pixel; a second section for determining whether a second type dot having lower density be formed at the position where the dot having the highest density is determined not to be formed; and a section for instructing, based on results of determination by the first and second sections, whether a dot should be formed at the position, wherein the dither matrix comprises values, each being not less than a predetermined value smaller than the maximum pixel value of the input image.
摘要翻译：一种用于通过使用多种类型的点的分布形成图像的图像形成装置，包括：第一部分，用于比较目标像素的像素值和预先存储的抖动矩阵中的值，并确定是否在与像素对应的位置处形成具有最高密度的点; 确定在不形成具有最高密度的点的位置处是否形成具有较低密度的第二类型点的第二部分; 以及用于基于第一和第二部分的确定结果来指示是否应在该位置形成点的部分，其中抖动矩阵包括值，每个值不小于小于最大像素值的预定值输入图像。

7. 发明授权

US07431413B2 Image forming apparatus, image forming method and image forming program 有权
标题翻译：图像形成装置，图像形成方法以及图像形成程序
公开(公告)号：US07431413B2
公开(公告)日：2008-10-07
申请号：US11210547
申请日：2005-08-24
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： B41J2/205
CPC分类号： H04N1/40087
摘要： An image forming apparatus, for forming an image by using distribution of plural types of dots, including: a first section, for making comparison between a pixel value of a target pixel and a value in a dither matrix stored in advance, and determining, whether a dot having the highest density be formed at a position corresponding to the pixel; a second section for determining whether a second type dot having lower density be formed at the position where the dot having the highest density is determined not to be formed; and a section for instructing, based on results of determination by the first and second sections, whether a dot should be formed at the position, wherein the dither matrix comprises values, each being not less than a predetermined value smaller than the maximum pixel value of the input image.
摘要翻译：一种用于通过使用多种类型的点的分布形成图像的图像形成装置，包括：第一部分，用于比较目标像素的像素值和预先存储的抖动矩阵中的值，并确定是否在与像素对应的位置处形成具有最高密度的点; 确定在不形成具有最高密度的点的位置处是否形成具有较低密度的第二类型点的第二部分; 以及用于基于第一和第二部分的确定结果来指示是否应在该位置形成点的部分，其中抖动矩阵包括值，每个值不小于小于最大像素值的预定值输入图像。

8. 发明申请

US20060181738A1 Image forming apparatus, image forming method, and image forming program 有权
公开(公告)号：US20060181738A1
公开(公告)日：2006-08-17
申请号：US11351377
申请日：2006-02-10
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： G06K15/00
CPC分类号： B41J2/2056 , H04N1/40087
摘要： An image forming apparatus, for forming an image with using distributions of two or more types of dots having different densities per unit area in a same hue, including: a threshold value matrix; and a dot formation determining section for carrying out comparison between a pixel value at a target pixel in the input image and a threshold value corresponding to the target pixel in the threshold value matrix, and for determining, whether to form or not to form any one of the two or more types of dots, wherein threshold values in the threshold value matrix are configured so that a frequency of dot formation is lower, for gradation regions in which a dot density of any of the two or more types of dots is low and/or high, than that for gradation regions in which the dot density is in average level.

9. 发明授权

US07710603B2 Image forming apparatus and image forming method 有权
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US07710603B2
公开(公告)日：2010-05-04
申请号：US11470788
申请日：2006-09-07
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： H04N1/405
CPC分类号： H04N1/40087
摘要： Image forming apparatus 1 capable of forming dots of types in quantity of α (integer satisfying α≧2) wherein there are provided, target pixel selection means 2 that selects a target pixel, recording rate acquisition means 3 that acquires a recording rate total value of dots in two types among dots of types in quantity of α and acquires a recording rate of a dot on one side among dots in two types, first quantization means 4 that conducts quantization based on the recording rate total value and determines recording of dots in quantity of i (integer satisfying 0≦i≦2) on the target pixel and second quantization means 5 that determines types of dots to be recorded on the target pixel based on i representing the number of dots to be recorded on the target pixel determined by the first quantization means and on the recording rate of the dot on one side.
摘要翻译：能够形成数量为α（满足α≥2的整数）的点的图像形成装置1，其中设置有选择目标像素的目标像素选择装置2，获取记录速率总值的记录速率获取装置3 以类型数量为α的点之中的两种类型的点，并且在两种类型的点中获得一侧的点的记录速率，第一量化装置4，其基于记录速率总数进行量化，并确定数量的点的记录基于目标像素的i（整数满足0＆nlE; i＆nlE; 2）和第二量化装置5，其基于表示要记录在目标像素上的点数的i来确定要记录在目标像素上的点的类型第一量化装置和一方的点的记录速率。

10. 发明授权

US07474443B2 Image formation using dots of different spatial density determined based on comparison of pixel value to threshold value matrix and error added by error diffusion 有权
标题翻译：基于像素值与阈值矩阵的比较确定不同空间密度的点的图像形成和误差扩散所加的误差
公开(公告)号：US07474443B2
公开(公告)日：2009-01-06
申请号：US11267846
申请日：2005-11-04
申请人： Toshiyuki Mizutani , Kenichirou Hiramoto
发明人： Toshiyuki Mizutani , Kenichirou Hiramoto
IPC分类号： H04N1/405
CPC分类号： H04N1/4053 , H04N1/40087
摘要： An image forming apparatus, for forming an image with plural types of dots having different densities per unit area in a same hue, including: a section to compare between a pixel value of a target pixel and a value of a prescribed threshold value matrix, and to determine, based on the comparison, whether to form a first type of dot at a position corresponding to the target pixel; a section for calculating a corrected threshold value matrix from the prescribed threshold value matrix; a section for calculating a second determining condition by reflecting the corrected threshold value matrix; and a section for determining whether to form the second type of dot, based on a target pixel value added an error with an error diffusion process and the second determining condition, at the position where the first type of dot has been determined not to be formed.
摘要翻译：一种用于在相同色调中形成具有每单位面积不同密度的多种点的图像的图像形成装置，包括：用于比较目标像素的像素值和规定阈值矩阵的值的部分，以及基于比较来确定是否在与目标像素对应的位置处形成第一类型的点; 用于根据所述规定的阈值矩阵计算校正的阈值矩阵的部分; 用于通过反映校正的阈值矩阵来计算第二确定条件的部分; 以及基于在误差扩散处理和第二确定条件下添加了误差的目标像素值，确定是否形成第二类型的点的部分，在确定不形成第一类型的点的位置处。

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