公开(公告)号：US07075679B2

公开(公告)日：2006-07-11

申请号：US09988423

申请日：2001-11-20

申请人： Fumihiro Goto ,  Akitoshi Yamada ,  Tetsuya Suwa

发明人： Fumihiro Goto ,  Akitoshi Yamada ,  Tetsuya Suwa

IPC分类号： H04N1/40

CPC分类号： H04N1/6016 ,  H04N1/60

摘要： An input correction unit divides entered multilevel image data into pixel blocks each comprising a plurality of pixels, refers to conversion tables having conversion data corresponding to pixel positions in each pixel block and converts each item of pixel data of each pixel block, into data corresponding to corresponding pixel data in the pixel block. The conversion data of each of the conversion tables is set in such a manner that an average value of the data in each pixel block converted by the input correction unit, takes on a value that is based on the pixel data within the pixel block obtained by division.

公开(公告)号：US08830530B2

公开(公告)日：2014-09-09

申请号：US12896539

申请日：2010-10-01

申请人： Ayumi Sano ,  Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Fumitaka Goto ,  Okinori Tsuchiya ,  Takashi Fujita ,  Rie Kajihara ,  Tomokazu Ishikawa

发明人： Ayumi Sano ,  Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Fumitaka Goto ,  Okinori Tsuchiya ,  Takashi Fujita ,  Rie Kajihara ,  Tomokazu Ishikawa

IPC分类号： H04N1/40 ,  H04N1/191 ,  G06K15/10

CPC分类号： H04N1/1911 ,  G06K15/107 ,  H04N1/1913 ,  H04N2201/0082

摘要： Provided is an image processor and image processing method that are capable of suppressing both density unevenness and graininess that occur due to deviation of the printing position of dots that are printed by a plurality of relative movements (or a plurality of printing element groups). In order to accomplish this, the dot overlap rate of an image characteristic in which density unevenness stands out is made higher than the dot overlap rate of an image characteristic in which other defects stand out more than the density unevenness. By doing so, it is possible to suitably adjust the dot overlap rate according to an image characteristic, and to output an image having no density unevenness or graininess.

摘要翻译： 提供一种图像处理器和图像处理方法，其能够抑制由于通过多个相对运动（或多个打印元件组）打印的点的打印位置的偏移而发生的浓度不均匀性和颗粒性。 为了实现这一点，使得浓度不均匀性突出的图像特征的点重叠率高于其他缺陷比密度不均匀性更突出的图像特征的点重叠率。 通过这样做，可以根据图像特性适当地调整点重叠率，并输出没有浓度不均匀或颗粒度的图像。

公开(公告)号：US08619319B2

公开(公告)日：2013-12-31

申请号：US12896523

申请日：2010-10-01

申请人： Okinori Tsuchiya ,  Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Fumitaka Goto ,  Takashi Fujita ,  Rie Kajihara ,  Ayumi Sano ,  Tomokazu Ishikawa

发明人： Okinori Tsuchiya ,  Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Fumitaka Goto ,  Takashi Fujita ,  Rie Kajihara ,  Ayumi Sano ,  Tomokazu Ishikawa

IPC分类号： G06F15/00 ,  G06K1/00 ,  G06K15/02

CPC分类号： H04N1/40068

摘要： Inputted image data is converted to M number of multi-value data having a lower resolution than the inputted image data, and after quantization processing has been performed for each of the M number of multi-value data, an image is printed by M number of relative movements (M-pass printing) that corresponds to the M number of quantized data. By doing so, when compared with the case in which a resolution reduction process is not performed, it is possible to suppress the number of pixels that become the object of quantization processing, and it becomes possible to output an image with no fluctuation in image density or density unevenness without a decrease in the processing speed.

摘要翻译： 输入的图像数据被转换为具有比输入的图像数据低的分辨率的M个多值数据，并且在针对M个多值数据中的每一个执行了量化处理之后，以M个数 对应于M个量化数据的相对运动（M-pass打印）。 通过这样做，与不进行分辨率降低处理的情况相比，可以抑制成为量化处理对象的像素数，并且可以输出图像密度不变的图像 或密度不均匀，而不会降低处理速度。

公开(公告)号：US08529006B2

公开(公告)日：2013-09-10

申请号：US12938707

申请日：2010-11-03

申请人： Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Fumitaka Goto ,  Okinori Tsuchiya ,  Takashi Fujita ,  Rie Kajihara ,  Ayumi Sano ,  Tomokazu Ishikawa

发明人： Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Fumitaka Goto ,  Okinori Tsuchiya ,  Takashi Fujita ,  Rie Kajihara ,  Ayumi Sano ,  Tomokazu Ishikawa

IPC分类号： B41J29/38

CPC分类号： B41J29/38 ,  B41J2/2132 ,  H04N1/506

摘要： Provided are an image processor and an image processing method that are capable of suppressing both density unevenness due to printing position shifts among a group of dots printed by a plurality of relative movements (or a plurality of printing element groups) and graininess. In order to accomplish this, a dot overlap rate in the printing mode in which the density unevenness stands out is made higher than the dot overlap rate in the printing mode in which other defects stand out more than the density unevenness. By doing so, it is possible to suitably adjust the dot overlap rate according to the image characteristic, and output an image having no density unevenness or graininess.

摘要翻译： 提供了一种图像处理器和图像处理方法，其能够抑制由多个相对运动（或多个打印元件组）打印的一组点中的打印位置偏移和颗粒性的浓度不均匀性。 为了实现这一点，使得其中浓度不均匀性突出的打印模式中的点重叠率高于其他缺陷比密度不均匀突出的打印模式中的点重叠率。 通过这样做，可以根据图像特性适当地调整点重叠率，并且输出没有浓度不均匀或粒状的图像。

公开(公告)号：US20110234661A1

公开(公告)日：2011-09-29

申请号：US13039511

申请日：2011-03-03

申请人： Fumitaka Goto ,  Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Okinori Tsuchiya ,  Takashi Fujita ,  Rie Kajihara ,  Ayumi Sano ,  Tomokazu Ishikawa

发明人： Fumitaka Goto ,  Fumihiro Goto ,  Akitoshi Yamada ,  Akihiko Nakatani ,  Mitsuhiro Ono ,  Okinori Tsuchiya ,  Takashi Fujita ,  Rie Kajihara ,  Ayumi Sano ,  Tomokazu Ishikawa

IPC分类号： B41J29/38

CPC分类号： B41J2/2054 ,  B41J2/2056 ,  B41J2/2132 ,  G06K15/02 ,  G06K15/107

摘要： An image processing apparatus and an image processing method are provided which, when forming an image using a plurality of different inks, can produce a satisfactory image free from problematical levels of density unevenness, graininess and insufficient density with any of these inks. To this end, when printing on pixel areas of a print medium by a plurality of relative movements between the printing unit and the print medium, the dot overlap rate of an ink that tends to show density unevenness is set higher than that of an ink that tends to show other image impairments more conspicuously than the density unevenness. This results in a good image that eliminates such image impairments as density unevenness, graininess and density insufficiency in the entire color gamut.

摘要翻译： 提供了一种图像处理装置和图像处理方法，当使用多种不同的油墨形成图像时，可以通过这些油墨中的任何一种产生没有密度不均匀性，颗粒性和密度不足的令人满意的图像。 为此，当通过打印单元和打印介质之间的多个相对运动在打印介质的像素区域上进行打印时，倾向于显示浓度不均匀性的墨水的点重叠率被设置为高于墨水的点重叠率 倾向于比密度不均匀性更显着地显示其他图像损伤。 这导致了在整个色域中消除诸如浓度不均匀性，颗粒度和密度不足的图像损伤的良好图像。

公开(公告)号：US20110141524A1

公开(公告)日：2011-06-16

申请号：US12955444

申请日：2010-11-29

申请人： Shigeyasu Nagoshi ,  Akitoshi Yamada ,  Mitsuhiro Ono ,  Rie Kajihara ,  Okinori Tsuchiya ,  Ayumi Sano ,  Tomokazu Ishikawa ,  Takashi Fujita ,  Fumihiro Goto ,  Akihiko Nakatani ,  Fumitaka Goto

发明人： Shigeyasu Nagoshi ,  Akitoshi Yamada ,  Mitsuhiro Ono ,  Rie Kajihara ,  Okinori Tsuchiya ,  Ayumi Sano ,  Tomokazu Ishikawa ,  Takashi Fujita ,  Fumihiro Goto ,  Akihiko Nakatani ,  Fumitaka Goto

IPC分类号： H04N1/40

CPC分类号： H04N1/40025

摘要： When dividing multi-valued data and generating data for two-pass multi-pass printing, in addition to divided multi-valued data that are divided for each of the two passes, divided multi-valued data that is common to both of the two passes is generated. Moreover, quantized data of that common multi-valued data is reflected onto the quantized data for each pass. Furthermore, when generating quantized data, division ratios that are used when generating the common data by the multi-valued data division described above are set according to the image characteristics (whether or not the area is flesh color) of the multi-valued data. Thereby, it is possible to perform high-quality printing regardless of the image characteristics by taking a suitable balance between suppressing density unevenness and suppressing graininess.

摘要翻译： 当分割多值数据并产生用于双程多遍打印的数据时，除了对于两次通过中的每一个进行划分的划分的多值数据之外，对于两个通过两个通道都是共同的分割多值数据 被生成。 此外，该通用多值数据的量化数据反映在每次通过的量化数据上。 此外，当生成量化数据时，根据多值数据的图像特性（区域是肉色）来设置在通过上述多值数据划分生成公共数据时使用的分频比。 由此，无论图像特性如何，通过在抑制浓度不均匀性和抑制颗粒度之间取得适当的平衡，可以进行高质量的打印。

公开(公告)号：US20110135201A1

公开(公告)日：2011-06-09

申请号：US13019253

申请日：2011-02-01

申请人： Arata Miyagi ,  Fumitaka Goto ,  Fumihiro Goto ,  Masao Kato ,  Akitoshi Yamada ,  Tetsuya Suwa ,  Mitsuhiro Ono ,  Yusuke Hashii

发明人： Arata Miyagi ,  Fumitaka Goto ,  Fumihiro Goto ,  Masao Kato ,  Akitoshi Yamada ,  Tetsuya Suwa ,  Mitsuhiro Ono ,  Yusuke Hashii

IPC分类号： G06K9/40

CPC分类号： H04N1/58 ,  G06T5/003 ,  G06T5/20 ,  G06T2207/10008 ,  G06T2207/10024 ,  G06T2207/20012 ,  G06T2207/20192 ,  G06T2207/30176

摘要： There is provided an image processing apparatus for applying an adjusting process to an image including multicolor image signals. An image area including a pixel to be processed is extracted, and one representative signal value is generated from signal values corresponding to a plurality of colors of pixels included in the image area (S2501). A feature amount associated with the image area is calculated based on the representative signal value (S2503, S2505, S2511), and a substitute candidate pixel common to the plurality of colors is selected from the image area based on the calculated feature amount (S2512). Signal values of the pixel to be processed are substituted by new pixel values, which are calculated from the signal values of the pixel to be processed and signal values of the substitute candidate pixel.

摘要翻译： 提供了一种用于对包括多色图像信号的图像应用调整处理的图像处理装置。 提取包括要处理的像素的图像区域，并且从对应于包括在图像区域中的多个像素颜色的信号值生成一个代表信号值（S2501）。 基于代表信号值计算与图像区域相关联的特征量（S2503，S2505，S2511），并且基于所计算的特征量从图像区域中选择与多种颜色共同的替代候选像素（S2512） 。 要处理的像素的信号值被新的像素值代替，其由要处理的像素的信号值和替代候选像素的信号值计算。

公开(公告)号：US07924469B2

公开(公告)日：2011-04-12

申请号：US11771168

申请日：2007-06-29

申请人： Mitsuhiro Ono ,  Fumitaka Goto ,  Fumihiro Goto ,  Masao Kato ,  Akitoshi Yamada ,  Tetsuya Suwa ,  Yusuke Hashii ,  Arata Miyagi

发明人： Mitsuhiro Ono ,  Fumitaka Goto ,  Fumihiro Goto ,  Masao Kato ,  Akitoshi Yamada ,  Tetsuya Suwa ,  Yusuke Hashii ,  Arata Miyagi

IPC分类号： G06T5/00 ,  G06K9/42

CPC分类号： H04N1/2307 ,  H04N1/2323 ,  H04N1/4092

摘要： In order to eliminate image deterioration based on the characteristics of an output device upon execution of edge emphasis processing, an image processing apparatus includes a setting unit which sets a print characteristic on the print medium, a region setting unit which sets a region, a brightness value derivation unit which derives brightness values, a first derivative derivation which derives first derivatives of the brightness values, an edge direction determination unit which determines an edge direction of brightness, an emphasis level determination unit which determines an emphasis level of a pixel value based on the first derivatives, and a replacement unit which calculates second derivatives of brightness values and replaces a pixel value of a pixel of interest based on the sign of the second derivative.

摘要翻译： 为了在执行边缘加重处理时消除基于输出装置的特性的图像劣化，图像处理装置包括设置单元，其设置打印介质上的打印特性，设置区域的区域设置单元，亮度 导出亮度值的值导出单元，导出亮度值的一阶导数的一阶导数导出，确定亮度的边缘方向的边缘方向确定单元，基于以下步骤确定像素值的强调级别的强调级别确定单元： 第一导数，以及替换单元，其基于二次导数的符号来计算亮度值的二阶导数并且替换感兴趣像素的像素值。

公开(公告)号：US07889395B2

公开(公告)日：2011-02-15

申请号：US11771458

申请日：2007-06-29

申请人： Fumihiro Goto ,  Fumitaka Goto ,  Masao Kato ,  Akitoshi Yamada ,  Tetsuya Suwa ,  Mitsuhiro Ono ,  Arata Miyagi ,  Yusuke Hashii

发明人： Fumihiro Goto ,  Fumitaka Goto ,  Masao Kato ,  Akitoshi Yamada ,  Tetsuya Suwa ,  Mitsuhiro Ono ,  Arata Miyagi ,  Yusuke Hashii

IPC分类号： G06T5/00

CPC分类号： H04N1/2307 ,  H04N1/2323 ,  H04N1/4092

摘要： In order to provide an edge emphasis technique that can eliminate image deterioration of a digital image, an image processing apparatus includes a region setting unit which sets a region including a pixel of interest, a brightness value derivation unit which derives brightness values of the pixels, a first derivative derivation unit which derives first derivatives of the brightness values derived by the brightness value derivation unit, an edge direction determination unit which determines an edge direction of brightness at a position of the pixel of interest based on the results of the first derivatives, a range determination unit which determines a range, and a replacement unit which replaces the pixel value of the pixel of interest.

摘要翻译： 为了提供可以消除数字图像的图像劣化的边缘加重技术，图像处理装置包括区域设置单元，其设置包括感兴趣像素的区域，导出像素的亮度值的亮度值导出单元， 导出由亮度值导出单元导出的亮度值的一阶导数的一阶导数导出单元，边缘方向确定单元，其基于一阶导数的结果确定感兴趣像素的位置处的亮度的边缘方向， 确定范围的范围确定单元和替换感兴趣像素的像素值的替换单元。

公开(公告)号：US20100157395A1

公开(公告)日：2010-06-24

申请号：US12634184

申请日：2009-12-09

申请人： Tohru Ikeda ,  Takashi Nakamura ,  Fumihiro Goto ,  Akitoshi Yamada ,  Hidetsugu Kagawa

发明人： Tohru Ikeda ,  Takashi Nakamura ,  Fumihiro Goto ,  Akitoshi Yamada ,  Hidetsugu Kagawa

IPC分类号： H04N1/46

CPC分类号： H04N1/484 ,  H04N1/00795 ,  H04N1/00811 ,  H04N1/00822 ,  H04N1/02835 ,  H04N1/0314 ,  H04N2201/042

摘要： This invention is directed to an image reading apparatus. In the apparatus, reading an original by irradiating it with light of three primary colors, respectively, and by receiving the reflected light is performed as follows. More specifically, an operation mode is designated, and conditions used to perform image reading are set in accordance with the designated mode. Under the set conditions, the image reading is performed according to a method of irradiating an original sequentially with beams of the three primary colors and reading the beams reflected by the original. Alternatively, under the set conditions, image reading is performed according to a method of irradiating an original simultaneously with beams of two primary colors in each of three different combinations of the three primary colors and reading the beams reflected by the original. Instead, image reading is executed twice according to these two methods.

摘要翻译： 本发明涉及一种图像读取装置。 在该装置中，分别通过用三原色光照射原稿并通过接收反射光来读取原稿，如下进行。 更具体地，指定操作模式，并且根据指定模式来设置用于执行图像读取的条件。 在设定条件下，根据以三原色的光束依次照射原稿并读取由原稿反射的光束的方法进行图像读取。 或者，在设定条件下，根据以三原色的三种不同组合中的每一种同时照​​射原稿的两种原色光并读取由原稿反射的光束的方法进行图像读取。 相反，根据这两种方法执行两次图像读取。