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    IMAGE PROCESSING APPARATUS, PRINTING APPARATUS, AND IMAGE PROCESSING METHOD
    51.
    发明申请
    IMAGE PROCESSING APPARATUS, PRINTING APPARATUS, AND IMAGE PROCESSING METHOD 有权
    图像处理设备，打印设备和图像处理方法

    公开(公告)号：US20140139852A1

    公开(公告)日：2014-05-22

    申请号：US14076608

    申请日：2013-11-11

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Akitoshi Yamada ,  Tomokazu Ishikawa ,  Senichi Saito ,  Fumitaka Goto ,  Nobutaka Miyake ,  Mitsuhiro Ono ,  Ryosuke Iguchi ,  Hidetsugu Kagawa ,  Junichi Nakagawa

    IPC: G06K15/02

    CPC classification number: G06K15/02 ,  H04N1/4015

    Abstract: As viewed for each processing unit in HS processing, a processing unit width is more than 1 pixel, so that threshold arrangement corresponding to a target quality of an image intended by a dither matrix is kept while a possibility of avoiding the zero number of dots from being generated can be enhanced. Moreover, the threshold arrangement is kept while a possibility of generating the same number of dots in processing units can be enhanced. Consequently, the threshold arrangement corresponding to a predetermined target quality of an image intended by a dither matrix is kept while it is possible to reduce occurrence of an uneven density caused by the HS processing. Thus, it is possible to prevent the threshold arrangement from being limited by the HS according to the degree of the reduction.

    Abstract translation: 如在HS处理中为每个处理单元所看到的，处理单元宽度大于1个像素，从而保持与抖动矩阵所要求的图像的目标质量对应的阈值排列，同时避免零点数的可能性 可以增强生成。 此外，保持阈值布置，同时可以提高在处理单元中产生相同数量的点的可能性。 因此，保持对应于由抖动矩阵预期的图像的预定目标质量的阈值排列，同时可以减少由HS处理引起的不均匀浓度的发生。 因此，可以根据减少的程度来防止阈值布置受到HS的限制。

    Image processing apparatus and image processing method
    58.
    发明授权
    Image processing apparatus and image processing method 有权
    图像处理装置和图像处理方法

    公开(公告)号：US09162450B2

    公开(公告)日：2015-10-20

    申请号：US13847357

    申请日：2013-03-19

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Ryosuke Iguchi ,  Akitoshi Yamada ,  Mitsuhiro Ono ,  Junichi Nakagawa

    IPC: B41J2/07 ,  H04N1/40

    CPC classification number: B41J2/07 ,  H04N1/40087 ,  H04N1/405

    Abstract: An image processing apparatus includes an acquiring unit which acquires first image data indicating a first gray-scale value of an image having a first attribute and a second image data indicating a second gray-scale value of an image having a second attribute that is different from the first attribute, a correcting unit which corrects the first gray-scale value and the second gray-scale value acquired by the acquiring unit on basis of information on an ejection characteristic of a discharge head to different extents, the discharge head ejecting liquid to be used for forming the first image and the second image on a recording medium with dots.

    Abstract translation: 一种图像处理装置，包括获取单元，获取指示具有第一属性的图像的第一灰度值的第一图像数据和指示具有不同于第二属性的图像的第二灰度值的第二图像数据 第一属性，校正单元，其基于关于排出头的喷射特性的信息在不同程度上校正由获取单元获取的第一灰度值和第二灰度值，排出头喷射液体为 用于在具有点的记录介质上形成第一图像和第二图像。

    Image processing apparatus and image processing method to set appropriate ink amount for character data and for image data
    59.
    发明授权
    Image processing apparatus and image processing method to set appropriate ink amount for character data and for image data 有权
    图像处理装置和图像处理方法，用于为字符数据和图像数据设置适当的墨水量

    公开(公告)号：US09030714B2

    公开(公告)日：2015-05-12

    申请号：US13835144

    申请日：2013-03-15

    Applicant: Canon Kabushiki Kaisha

    Inventor： Junichi Nakagawa ,  Akitoshi Yamada ,  Mitsuhiro Ono ,  Ryosuke Iguchi ,  Hitoshi Nishikori ,  Norihiro Kawatoko ,  Fumiko Suzuki ,  Atsuhiko Masuyama

    IPC: G06K15/00 ,  B41J2/21 ,  H04N1/40

    CPC classification number: B41J2/2132 ,  H04N1/40062 ,  H04N1/40087 ,  H04N1/405

    Abstract: An image processing apparatus for generating dot data to form an image by forming dots on a recording medium includes a receiving unit, a first, second, and third generating unit, and a correcting unit. The receiving unit receives first and second image data included in image data. The first generating unit generates, per the first image data, first ink color data representing a multi-valued signal value corresponding to an ink color. The second generating unit generates, per the second image data, second ink color data representing a multi-valued signal value corresponding to an ink color. The correcting unit corrects the signal value represented by the generated first and second ink color data. The third generating unit generates, per the first and second ink color data of which the signal values have been corrected, the dot data representing existence of formation of dots to form an image.

    Abstract translation: 一种用于通过在记录介质上形成点来产生点数据以形成图像的图像处理设备包括接收单元，第一，第二和第三生成单元和校正单元。 接收单元接收包括在图像数据中的第一和第二图像数据。 第一生成单元根据第一图像数据生成表示对应于墨水颜色的多值信号值的第一墨水颜色数据。 第二生成单元根据第二图像数据生成表示对应于墨水颜色的多值信号值的第二墨水颜色数据。 校正单元校正由所生成的第一和第二墨水颜色数据表示的信号值。 第三生成单元根据已经校正了信号值的第一和第二墨水颜色数据生成表示形成点的存在形成图像的点数据。

    IMAGE PROCESSING APPARATUS AND METHOD FOR IMAGE PROCESSING
    60.
    发明申请
    IMAGE PROCESSING APPARATUS AND METHOD FOR IMAGE PROCESSING 有权
    图像处理装置和图像处理方法

    公开(公告)号：US20150092241A1

    公开(公告)日：2015-04-02

    申请号：US14495740

    申请日：2014-09-24

    Applicant: CANON KABUSHIKI KAISHA

    Inventor： Shinjiro Hori ,  Nobutaka Miyake ,  Akitoshi Yamada ,  Fumitaka Goto ,  Ryosuke Iguchi ,  Hidetsugu Kagawa ,  Tomokazu Ishikawa ,  Kouta Murasawa ,  Hiromitsu Akiba ,  Junichi Nakagawa ,  Senichi Saito

    IPC: G06K15/02 ,  B41J2/21 ,  G06K15/10

    CPC classification number: G06K15/1881 ,  B41J2/21 ,  G06K15/102 ,  G06K15/107 ,  G06K15/1878 ,  G06K2215/0094 ,  G06K2215/101 ,  H04N1/52

    Abstract: An image processing apparatus includes a generation unit; wherein a first dither pattern and a second dither pattern have same threshold values that are set for same pixels in a first gradation range, and have different threshold values that are set for same pixels in a second gradation range that exceeds the first gradation range; and the generation unit sets a first threshold value for forming dots of the first dither pattern, and generates a first binary data according to whether or not a threshold value corresponding to a target pixel of the first dither pattern is included in the first threshold value, and sets a second threshold value for forming dots of the second dither pattern, and generates a second binary data according to whether or not a threshold value corresponding to a target pixel of the second dither pattern is included in the second threshold value.

    Abstract translation: 一种图像处理装置，包括：生成单元; 其中第一抖动图案和第二抖动图案具有与第一灰度范围中的相同像素相同的阈值，并且对于超过第一灰度范围的第二灰度范围中的相同像素具有不同的阈值; 并且生成单元设置用于形成第一抖动图案的点的第一阈值，并且根据与第一抖动图案的目标像素对应的阈值是否包括在第一阈值中来生成第一二进制数据， 并且设置用于形成第二抖动图案的点的第二阈值，并且根据与第二抖动图案的目标像素对应的阈值是否包括在第二阈值中来生成第二二进制数据。

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