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1. 发明授权

US10742845B2 Image processing apparatus identifying pixel which satisfies specific condition and performing replacement process on pixel value of identified pixel 有权
公开(公告)号：US10742845B2
公开(公告)日：2020-08-11
申请号：US16564232
申请日：2019-09-09
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Masaya Takasu , Ryuji Yamada
IPC分类号： H04N1/58 , G06T7/90 , H04N1/60 , G06T5/30 , G06T5/00 , H04N1/52
摘要： In an image forming apparatus, a processor acquires target image data representing a target image. The processor identifies as a first type pixel in the target image, and sets a target pixel from among peripheral pixels of the pixel identified as the first type pixel. The processor identifies the target pixel as a second type pixel in a case where the target pixel satisfies a specific condition. The processor generates processed image data by performing a replacement process in which a pixel value of the pixel identified as the first type pixel is replaced with a first value representing a first color and a pixel value of the pixel identified as the second type pixel is replaced with a second value representing a second color. The specific condition includes a condition that all specific pixels in a specific range match a specific pattern.

2. 发明授权

US10423854B2 Image processing apparatus that identifies character pixel in target image using first and second candidate character pixels 有权
公开(公告)号：US10423854B2
公开(公告)日：2019-09-24
申请号：US16136422
申请日：2018-09-20
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： G06K9/46 , G06K9/32 , G06K9/42 , H04N1/393 , H04N1/409 , H04N1/40
摘要： In an image processing apparatus, a controller is configured to perform: acquiring target image data representing a target image including a plurality of pixels; determining a plurality of first candidate character pixels from among the plurality of pixels, determination of the plurality of first candidate character pixels being made for each of the plurality of pixels; setting a plurality of object regions in the target image; determining a plurality of second candidate character pixels from among the plurality of pixels, determination of the plurality of second candidate character pixels being made for each of the plurality of object regions according to a first determination condition; and identifying a character pixel from among the plurality of pixels, the character pixel being included in both the plurality of first candidate character pixels and the plurality of second candidate character pixels.

3. 发明授权

US09253368B2 Image processing device setting binary value without using dither matrix when prescribed condition is satisfied 有权
标题翻译：图像处理装置在满足规定条件时，不使用抖动矩阵设置二进制值
公开(公告)号：US09253368B2
公开(公告)日：2016-02-02
申请号：US14490995
申请日：2014-09-19
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： H04N1/405 , G06K9/46 , H04N1/409
CPC分类号： H04N1/405 , G06K9/4604 , H04N1/4092
摘要： An image processing device includes a controller. The controller specifies an edge pixel based on image data, and sets a target pixel and a reference pixel from among a plurality of pixels. The target pixel is located between the edge pixel and the reference pixel. The controller determines whether a determination condition is satisfied for the target pixel. The determination condition indicates that a pixel value of the edge pixel, a pixel value of the target pixel, and a pixel value of the reference pixel monotonically increase in said order. The controller sets a binary value of the target pixel to a first value without using a dither matrix when the determination condition is satisfied, and sets the binary value of the target pixel to one of the first value and a second value by using the dither matrix when the determination condition is not satisfied.
摘要翻译：图像处理装置包括控制器。控制器基于图像数据指定边缘像素，并且从多个像素中设置目标像素和参考像素。目标像素位于边缘像素和参考像素之间。控制器确定对于目标像素是否满足确定条件。确定条件表示边缘像素的像素值，目标像素的像素值和参考像素的像素值以所述顺序单调增加。当满足确定条件时，控制器将目标像素的二进制值设置为第一值，而不使用抖动矩阵，并且通过使用抖动矩阵将目标像素的二进制值设置为第一值和第二值之一当确定条件不满足时。

4. 发明授权

US11233921B2 Image processing apparatus that specifies edge pixel in target image using single-component image data 有权
公开(公告)号：US11233921B2
公开(公告)日：2022-01-25
申请号：US16668510
申请日：2019-10-30
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： H04N1/40 , G06T5/00 , H04N1/48 , H04N1/00 , H04N1/409 , G06F3/12
摘要： An image processing apparatus performs: acquiring target image data representing a target image including a plurality of pixels, the target image data including a plurality of sets of component image data representing respective ones of a plurality of component images; smoothing the plurality of component images to generate respective sets of a plurality of sets of smoothed component image data representing respective ones of a plurality of smoothed component images; enhancing an edge in each of the plurality of smoothed component images to generate corresponding one set of a plurality of sets of enhanced component image data; generating single-component image data including one type of component value corresponding to each of the plurality of pixels by using the plurality of sets of enhanced component image data; and specifying a plurality of edge pixels using the single-component image data, the plurality of edge pixels constituting an edge in the target image.

5. 发明授权

US09571697B2 Image processing device setting sharpness adjustment degrees for object regions and performing unsharp masking process 有权
标题翻译：图像处理设备设置对象区域的锐度调整度，并执行不清晰的屏蔽处理
公开(公告)号：US09571697B2
公开(公告)日：2017-02-14
申请号：US14918645
申请日：2015-10-21
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： H04N1/409 , H04N1/407 , G06T5/00 , H04N1/00 , H04N1/58 , H04N1/60 , G06K15/00
CPC分类号： H04N1/4092 , G06T5/004 , G06T2207/10004 , G06T2207/10024 , G06T2207/20012 , G06T2207/30176 , H04N1/00167 , H04N1/58 , H04N1/6072
摘要： An image processing device includes a processor. The processor is configured to perform: acquiring input image data representing an input image having a plurality of objects; identifying a plurality of object regions in the input image, the plurality of object regions representing respectively the plurality of objects; generating a mask image using sharpness adjustment degrees that are set for the plurality of object regions respectively; generating output image data by performing an unsharp masking process on the input image by using the mask image, the unsharp masking process being performed so as to adjust sharpness of the input image; and sending the output image data to a printing unit.
摘要翻译：图像处理装置包括处理器。处理器被配置为执行：获取表示具有多个对象的输入图像的输入图像数据; 识别所述输入图像中的多个对象区域，所述多个对象区域分别表示所述多个对象; 使用为所述多个对象区域设定的锐度调整度来生成掩模图像; 通过使用所述掩模图像对所述输入图像执行不清晰的掩蔽处理来生成输出图像数据，执行所述反锐化掩蔽处理以调整所述输入图像的锐度; 并将输出图像数据发送到打印单元。

6. 发明授权

US10565465B2 Image processing apparatus that identifies character pixel in target image using first and second candidate character pixels 有权
公开(公告)号：US10565465B2
公开(公告)日：2020-02-18
申请号：US16553591
申请日：2019-08-28
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： G06K9/46 , G06K9/32 , G06K9/42 , H04N1/393 , H04N1/409
摘要： In an image processing apparatus, a controller is configured to perform: acquiring target image data representing a target image including a plurality of pixels; determining a plurality of first candidate character pixels from among the plurality of pixels, determination of the plurality of first candidate character pixels being made for each of the plurality of pixels; setting a plurality of object regions in the target image; determining a plurality of second candidate character pixels from among the plurality of pixels, determination of the plurality of second candidate character pixels being made for each of the plurality of object regions according to a first determination condition; and identifying a character pixel from among the plurality of pixels, the character pixel being included in both the plurality of first candidate character pixels and the plurality of second candidate character pixels.

7. 发明授权

US10506131B2 Image processing apparatus that specifies edge pixel in target image using single-component image data 有权
公开(公告)号：US10506131B2
公开(公告)日：2019-12-10
申请号：US15935223
申请日：2018-03-26
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： H04N1/40 , G06T5/00 , H04N1/48 , H04N1/00 , H04N1/409
CPC分类号： H04N1/40093 , G06T5/002 , G06T5/003 , H04N1/00005 , H04N1/40062 , H04N1/4092 , H04N1/482 , G06T2207/10008 , G06T2207/20192
摘要： An image processing apparatus performs: acquiring target image data representing a target image including a plurality of pixels, the target image data including a plurality of sets of component image data representing respective ones of a plurality of component images; smoothing the plurality of component images to generate respective sets of a plurality of sets of smoothed component image data representing respective ones of a plurality of smoothed component images; enhancing an edge in each of the plurality of smoothed component images to generate corresponding one set of a plurality of sets of enhanced component image data; generating single-component image data including one type of component value corresponding to each of the plurality of pixels by using the plurality of sets of enhanced component image data; and specifying a plurality of edge pixels using the single-component image data, the plurality of edge pixels constituting an edge in the target image.

8. 发明授权

US10389909B2 Image processing apparatus that specifies edge pixel in target image using minimum and maximum component values of pixel value in target image data 有权
公开(公告)号：US10389909B2
公开(公告)日：2019-08-20
申请号：US15900926
申请日：2018-02-21
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： H04N1/00 , H04N1/40 , G06T7/13 , H04N1/58 , H04N1/409
摘要： An image processing apparatus performs: acquiring target image data representing a target image and including a plurality of pixel values each having a plurality of component values; generating first image data including a plurality of first pixel values each being related to a minimum value among the plurality of component values of corresponding one of the plurality of pixel values; specifying a plurality of first edge pixels using the first image data; generating second image data including a plurality of second pixel values each being related to a maximum value among the plurality of component values of corresponding one of the plurality of pixel values; specifying a plurality of second edge pixels using the second image data; and specifying a plurality of edge pixels using the plurality of first edge pixels and the plurality of second edge pixels, the plurality of edge pixels constituting an edge in the target image.

9. 发明申请

US20200106925A1 IMAGE PROCESSING APPARATUS IDENTIFYING PIXEL WHICH SATISFIES SPECIFIC CONDITION AND PERFORMING REPLACEMENT PROCESS ON PIXEL VALUE OF IDENTIFIED PIXEL 审中-公开
公开(公告)号：US20200106925A1
公开(公告)日：2020-04-02
申请号：US16564232
申请日：2019-09-09
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Masaya Takasu , Ryuji Yamada
IPC分类号： H04N1/58 , G06T7/90 , H04N1/52 , H04N1/60
摘要： In an image forming apparatus, a processor acquires target image data representing a target image. The processor identifies as a first type pixel in the target image, and sets a target pixel from among peripheral pixels of the pixel identified as the first type pixel. The processor identifies the target pixel as a second type pixel in a case where the target pixel satisfies a specific condition. The processor generates processed image data by performing a replacement process in which a pixel value of the pixel identified as the first type pixel is replaced with a first value representing a first color and a pixel value of the pixel identified as the second type pixel is replaced with a second value representing a second color. The specific condition includes a condition that all specific pixels in a specific range match a specific pattern.

10. 发明授权

US10375275B2 Image processing apparatus specifying first and second pixels, and generating processed image data in which the first and second pixels have first and second colors respectively 有权
公开(公告)号：US10375275B2
公开(公告)日：2019-08-06
申请号：US15933762
申请日：2018-03-23
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Ryuji Yamada
IPC分类号： H04N1/60 , H04N1/409 , H04N1/58 , H04N1/48 , H04N1/405
摘要： An image processing apparatus specifies, from among target pixels in a target image, first pixels related to a first color, and determines whether a specific condition is met for each peripheral pixel of the target pixel. The specific condition includes a condition that each peripheral pixel is a candidate for a pixel representing one of colors different from the first color. The apparatus specifies, as a second pixel related to a second color, each peripheral pixel meeting the specific condition. The apparatus performs an image process on target image data by using specified first and second pixels to generate processed image data. In a processed image, first processed pixels correspond to the specified first pixels and have the first color, and second processed pixels correspond to the specified second pixels and have the second color.

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