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    Image processing that can use both process and spot color plates
    81.
    发明授权
    Image processing that can use both process and spot color plates 有权
    可以使用过程和专色板的图像处理

    公开(公告)号：US07995238B2

    公开(公告)日：2011-08-09

    申请号：US11044345

    申请日：2005-01-28

    申请人： Yasushi Nishide ,  Ryuichi Ishizuka ,  Mari Kodama

    发明人： Yasushi Nishide ,  Ryuichi Ishizuka ,  Mari Kodama

    IPC分类号： H04N1/60 ,  G06K15/00

    CPC分类号： H04N1/56 ,  H04N1/52

    摘要： The present invention provides an image processing method and an image processing apparatus. The method and the apparatus perform image processing based on image data and drawing commands input from an image processing terminal. The method includes: setting drawing of a spot color plate different from process colors when data of color plates of process colors is generated based on a drawing command; performing for each object drawing command replacement of drawing the spot color plate according to object information data of image processing settings according to the type of the object; and enabling image processing for each object with respect to the color plates of the process colors based on the object information of the spot color plate.

    摘要翻译： 本发明提供一种图像处理方法和图像处理装置。 该方法和装置基于从图像处理终端输入的图像数据和绘图命令进行图像处理。 该方法包括：基于绘制命令生成与处理颜色不同的专色板的绘制，当处理颜色的色板的数据被生成时; 根据对象的类型，根据图像处理设置的对象信息数据对每个对象绘制命令执行替换来绘制专色板; 并且基于专色板的对象信息，针对处理颜色的色板对每个对象进行图像处理。

    Image processing apparatus, image forming apparatus, and control method thereof, which form an image by applying N-ary processing
    82.
    发明授权
    Image processing apparatus, image forming apparatus, and control method thereof, which form an image by applying N-ary processing 有权
    图像处理装置，图像形成装置及其控制方法，其通过应用N元处理形成图像

    公开(公告)号：US07986440B2

    公开(公告)日：2011-07-26

    申请号：US12022305

    申请日：2008-01-30

    申请人： Tomokazu Yanai ,  Yumi Watanabe ,  Atsushi Ushiroda ,  Hisashi Ishikawa

    发明人： Tomokazu Yanai ,  Yumi Watanabe ,  Atsushi Ushiroda ,  Hisashi Ishikawa

    IPC分类号： G06K15/00 ,  H04N1/46

    CPC分类号： G06K15/107 ,  H04N1/1911 ,  H04N1/1915 ,  H04N1/4053 ,  H04N1/4092 ,  H04N1/52

    摘要： In order to form a high-quality image, upon execution of multi-pass printing using a printing head with a plurality of nozzles, an image processing apparatus calculates, using a scan duty setting unit, scan duty data for respective nozzles for each scan of the printing head in accordance with input image data. A halftone processor generates a dot pattern to be formed by applying N-ary processing based on predetermined constraining condition information to the calculated scan duty data. A constraining condition information calculation unit generates constraining condition information to be referred to by the halftone processor at the time of the next scan. The constraining condition information is set so that the phase of a next dot pattern to be generated has an opposite phase relationship in a low frequency region with respect to the already printed dot pattern.

    摘要翻译： 为了形成高质量的图像，在使用具有多个喷嘴的打印头执行多次打印时，图像处理装置使用扫描占空比设置单元计算每个扫描的各个喷嘴的扫描占空比数据 打印头根据输入图像数据。 半色调处理器​​通过将基于预定约束条件信息的N进制处理应用于计算出的扫描占空比数据而产生点形式。 约束条件信息计算单元生成下一次扫描时由半色调处理器​​参照的约束条件信息。 约束条件信息被设置为使得相对于已经打印的点图案，要产生的下一点图案的相位在低频区域中具有相反的相位关系。

    IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT
    83.
    发明申请
    IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT 有权
    图像处理设备，图像处理方法和计算机程序产品

    公开(公告)号：US20110170141A1

    公开(公告)日：2011-07-14

    申请号：US13119368

    申请日：2009-09-14

    申请人： Arata Yamaguchi ,  Hiroaki Sagae ,  Takashi Kimura ,  Masakazu Yoshida

    发明人： Arata Yamaguchi ,  Hiroaki Sagae ,  Takashi Kimura ,  Masakazu Yoshida

    IPC分类号： H04N1/405

    CPC分类号： H04N1/52

    摘要： An image processing apparatus quantizes multi-level image data of n colors, where n≧2, by performing an error diffusion processing. The image processing apparatus includes: a dot arrangement determining unit that determines either one of an essential dot count and an essential recording material amount when the multi-level image data of n colors is converted into multi-level image data of m colors, where n>m≧1, by the error diffusion processing; and a color arrangement determining unit that performs the error diffusion processing on each color component of the multi-level image data of n colors, calculates either one of a dot count and a recording material amount for each color component, and determines an arrangement of either one of the dot count and the recording material amount for each color component within a range of a corresponding one of the essential dot count and the essential recording material amount determined by the dot arrangement determining unit.

    摘要翻译： 图像处理装置通过进行误差扩散处理来对n个颜色的多级图像数据进行量化，其中n≥2。 图像处理装置包括：点阵布置确定单元，当n个颜色的多级图像数据被转换成m个颜色的多级图像数据时，确定基本点数和基本记录材料量中的任一个，其中n >m≥1，通过误差扩散处理; 以及颜色排列确定单元，对n种颜色的多级图像数据的每个颜色分量执行误差扩散处理，计算每个颜色分量的点数和记录材料量中的任一个，并且确定任一 在由点排列确定单元确定的基本点数和必要记录材料量的相应一个的范围内的每个颜色分量的点数和记录材料量之一。

    Generation of dither matrix
    84.
    发明授权
    Generation of dither matrix 有权
    产生抖动矩阵

    公开(公告)号：US07961355B2

    公开(公告)日：2011-06-14

    申请号：US12004419

    申请日：2007-12-20

    申请人： Toshiaki Kakutani

    发明人： Toshiaki Kakutani

    IPC分类号： G06F15/00

    CPC分类号： H04N1/52

    摘要： A printing method includes: providing a print head that includes a plurality of nozzle arrays for ejecting at least 3 colors of inks; performing a halftone process with a dither matrix on image data to generate dot data that represents a state of dot formation at each pixel. The dither matrix includes a single reference matrix that is set by determining threshold values in the reference matrix based on a predetermined index value being calculated based on an arrangement pattern of at least two colors of dot groups among M colors (M is an integer of at least 3 and less or equal to N) of dot groups among the at least N colors of dot groups, with respect to at least some tone values among the input tone values.

    摘要翻译： 一种打印方法包括：提供包括用于喷射至少3种颜色的油墨的多个喷嘴阵列的打印头; 在图像数据上使用抖动矩阵执行半色调处理以生成表示每个像素处的点形成状态的点数据。 抖动矩阵包括单个参考矩阵，其通过基于基于M个颜色中的至少两种点组的颜色的布置图案计算的预定索引值来确定参考矩阵中的阈值而设置的参考矩阵（M为整数 相对于输入色调值中的至少一些色调值，点群中的至少N种颜色中的点群的数目至少为3以下，N以下。

    IMAGE PROCESSOR AND IMAGE PROCESSING METHOD
    85.
    发明申请
    IMAGE PROCESSOR AND IMAGE PROCESSING METHOD 审中-公开
    图像处理器和图像处理方法

    公开(公告)号：US20110116115A1

    公开(公告)日：2011-05-19

    申请号：US12942718

    申请日：2010-11-09

    申请人： Norihiro Kawatoko ,  Hitoshi Nishikori ,  Yutaka Kano ,  Yuji Konno ,  Akitoshi Yamada ,  Mitsuhiro Ono

    发明人： Norihiro Kawatoko ,  Hitoshi Nishikori ,  Yutaka Kano ,  Yuji Konno ,  Akitoshi Yamada ,  Mitsuhiro Ono

    IPC分类号： H04N1/60

    CPC分类号： H04N1/52 ,  H04N1/4052

    摘要： There are provided an image processing method and an image processor which realize the processing of restricting image degradations such as “dot delay”, “banding” and “wind ripple” with a simpler circuit construction. Therefore, after the regular quantization processing is performed, in a pixel in a prohibition position the processing of limiting a predetermined quantized value to change into another quantized value is performed corresponding to the obtained quantized value and the position information of the pixel of interest. By doing this, even in the low level of the density value, it is possible to realize at a low cost the construction in which dots having different sizes are mixed for printing.

    摘要翻译： 提供了一种图像处理方法和图像处理器，其以更简单的电路结构实现了限制诸如“点延迟”，“带状”和“风波”的图像劣化的处理。 因此，在执行常规量化处理之后，在禁止位置的像素中，根据获得的量化值和感兴趣像素的位置信息执行将预定量化值限制为另一个量化值的处理。 通过这样做，即使在低浓度值的情况下，可以以低成本实现将不同尺寸的点混合进行印刷的结构。

    Image forming apparatus
    86.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US07924467B2

    公开(公告)日：2011-04-12

    申请号：US11686488

    申请日：2007-03-15

    申请人： Nobuo Waksugi

    发明人： Nobuo Waksugi

    IPC分类号： H04N1/405

    CPC分类号： H04N1/52 ,  H04N1/506

    摘要： An image forming apparatus prints a first image data rendered at a first number of halftone levels based on a second image data rendered at a second number of halftone levels larger than the first number of halftone levels. A dot forming section forms lines of pixels on a print medium, the lines including a number of groups of sub lines of sub dots. The groups are aligned such that the sub lines of sub dots extend in traverse directions substantially perpendicular to an advance direction. A controller controls the dot forming section such that a selected number of sub dots in the advance direction are combined to form a pixel. Sub dots on the same sub line have the same exposure energy and sub dots on different sub lines in the same pixel have different exposure energies.

    摘要翻译： 图像形成装置基于以比第一数量的半色调电平大的第二数量的半色调电平呈现的第二图像数据来打印以第一数量的半色调水平呈现的第一图像数据。 点形成部分在打印介质上形成像素线，该线包括多个子点子线组。 这些组对准，使得子点的子线在大致垂直于前进方向的横向方向上延伸。 控制器控制点形成部分，使得在提前方向上的选定数量的子点被组合以形成像素。 同一子线上的子点具有相同的曝光能量，同一像素中的不同子线上的子点具有不同的曝光能量。

    Image processing apparatus and method
    87.
    发明授权
    Image processing apparatus and method 失效
    图像处理装置及方法

    公开(公告)号：US07889394B2

    公开(公告)日：2011-02-15

    申请号：US11745000

    申请日：2007-05-07

    申请人： Osamu Iwasaki ,  Naoji Otsuka ,  Hitoshi Nishikori

    发明人： Osamu Iwasaki ,  Naoji Otsuka ,  Hitoshi Nishikori

    IPC分类号： H04N1/40 ,  G06K15/00

    CPC分类号： H04N1/52 ,  H04N1/58

    摘要： An image processing apparatus for processing multilevel image data including values of respective color components includes an adding unit configured to add quantization errors to the respective values of the color components of a target pixel, an output determination unit configured to perform quantization to determine output values of the respective color components of the target pixel based on a combination of the values of the respective color components to which the quantization errors are added, and an error calculation unit configured to calculate quantization errors of the respective color components of the target pixel based on the output values of the respective color components and the values of the respective color components to which the quantization errors are added. In addition, a distribution weight determination unit is configured to determine distribution weights for the respective color components in accordance with a combination of the values of the respective color components of the target pixel, and an error diffusion unit is configured to distribute the calculated quantization errors of the respective color components of the target pixel to values of the respective color components of neighboring pixels in accordance with the determined distribution weights.

    摘要翻译： 一种图像处理装置，用于处理包括各颜色分量的多值图像数据，包括：加法单元，被配置为向目标像素的颜色分量的各个值加上量化误差;输出确定单元，被配置为执行量化以确定输出值 基于添加了量化误差的各个颜色成分的值的组合的目标像素的各个颜色分量，以及错误计算单元，被配置为基于所述目标像素的各个颜色分量的量化误差来计算目标像素的各个颜色分量 各颜色分量的输出值和相加颜色分量的值相加。 另外，分发权重确定单元被配置为根据目标像素的各个颜色分量的值的组合来确定各个颜色分量的分配权重，并且误差扩散单元被配置为分配所计算的量化误差 根据确定的分布权重将目标像素的各个颜色分量的各个颜色分量的值分配给相邻像素的各个颜色分量的值。

    Image processing to perform error diffusion with dots formed based color component values and their sum relative to a threshold
    90.
    发明授权
    Image processing to perform error diffusion with dots formed based color component values and their sum relative to a threshold 有权
    图像处理，以基于颜色分量值形成的点进行误差扩散及其相对于阈值的和

    公开(公告)号：US07859723B2

    公开(公告)日：2010-12-28

    申请号：US12431624

    申请日：2009-04-28

    申请人： Akitoshi Yamada ,  Hiromitsu Hirabayashi ,  Masao Kato

    发明人： Akitoshi Yamada ,  Hiromitsu Hirabayashi ,  Masao Kato

    IPC分类号： H04N1/52

    CPC分类号： H04N1/52

    摘要： Image processing apparatus and image processing method for formation of high quality image by high-speed error diffusion processing by execution of more complicated threshold condition processing in a simple manner. When error diffusion processing is performed on multivalued image data having plural density components and the result of processing is outputted, upon execution of error diffusion processing on a first density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of a second density component, then the error diffusion processing is performed on the first density component based on the determined threshold value, and the result of execution of the error diffusion processing is outputted. Further, upon execution of the error diffusion processing on the second density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of the first density component, then the error diffusion processing is performed on the second density component based on the determined threshold value, and the result of the error diffusion processing is outputted.

    摘要翻译： 通过以简单的方式执行更复杂的阈值条件处理，通过高速误差扩散处理形成高质量图像的图像处理装置和图像处理方法。 当对具有多个浓度分量的多值图像数据执行误差扩散处理并且输出处理结果时，在对多个浓度分量中的第一密度分量执行误差扩散处理时，确定在误差扩散处理中使用的阈值 基于第二密度分量的密度值，然后基于所确定的阈值对第一密度分量执行误差扩散处理，并且输出误差扩散处理的执行结果。 此外，在对多个密度分量中的第二密度分量执行误差扩散处理之后，基于第一密度分量的密度值来确定误差扩散处理中使用的阈值，然后进行误差扩散处理 输出基于所确定的阈值的第二密度分量和误差扩散处理的结果。