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公开(公告)号：US10796405B2
公开(公告)日：2020-10-06
申请号：US15907408
申请日：2018-02-28
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hiroyasu Kunieda , Shinjiro Hori , Ryosuke Iguchi , Masaaki Obayashi , Tohru Ikeda , Fumitaka Goto
Abstract: The position of a trimming region is decided in accordance with a scene type represented by an image which is a layout target. The trimming region is trimmed at the decided position.
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公开(公告)号：US20180165856A1
公开(公告)日：2018-06-14
申请号：US15832339
申请日：2017-12-05
Applicant: Canon Kabushiki Kaisha
Inventor： Hiroyasu Kunieda , Masaaki Obayashi , Shinjiro Hori , Ryosuke Iguchi
Abstract: A control method for an image processing apparatus that generates a layout image by arranging an image in a template includes specifying, as a designated object, at least one object of a plurality of objects including a first object and a second object according to a combination of a plurality of setting values including a setting value regarding the first object and a setting value regarding the second object based on the received input, selecting image data from a plurality of pieces of image data, and outputting a layout image in which an image represented by the selected image data is arranged in a template, wherein image data representing an image that contains an object specified as the designated object is selected in preference to image data representing an image that does not contain an object specified as the designated object from the plurality of pieces of image data.
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公开(公告)号：US09961231B2
公开(公告)日：2018-05-01
申请号：US15270268
申请日：2016-09-20
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryosuke Iguchi , Nobutaka Miyake , Yuki Ishida , Wei Song , Naoki Sumi
CPC classification number: H04N1/32315 , H04N1/32229 , H04N1/32277 , H04N1/32325 , H04N1/4115 , H04N2201/3283
Abstract: An image processing method is provided for acquiring additional information from image information obtained by shooting a printed product on which the additional information is multiplexed by at least one of a plurality of different multiplexing methods, the method comprising: attempting decoding of the additional information from the image information by a plurality of different decoding methods corresponding to the plurality of different multiplexing methods; and outputting, by a unit, the additional information successfully decoded.
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公开(公告)号：US09648198B2
公开(公告)日：2017-05-09
申请号：US14835863
申请日：2015-08-26
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuki Ishida , Ryosuke Iguchi , Wei Song , Nobutaka Miyake
IPC: H04N1/32
CPC classification number: H04N1/32203 , H04N1/32267 , H04N2201/0082
Abstract: An image processing apparatus for embedding additional information in an image having a plurality of pixels and image information. A generating unit generates (a) the additional information to be embedded and (b) a bookbinding type of a medium containing the image. A holding unit holds a plurality of quantization conditions for embedding the additional information, including a quantization threshold. A selection unit segments the image into a plurality of embedding regions, and selects a condition to use in quantization based on the image information. A quantization condition control unit controls at least one of the plurality of quantization conditions for a predetermined region of the image based on the bookbinding type generated. An error diffusion processing unit distributes an error to peripheral pixels of a target pixel. A separating unit separates the embedded additional information from the image.
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5.发明申请公开(公告)号：US20160080603A1
公开(公告)日：2016-03-17
申请号：US14834953
申请日：2015-08-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Nobutaka Miyake , Yuki Ishida , Wei Song , Ryosuke Iguchi
CPC classification number: H04N1/32352 , G06T1/005 , G06T2201/0051 , G06T2201/0065 , H04N1/00278 , H04N1/00307 , H04N1/00827 , H04N2201/0081 , H04N2201/327 , H04N2201/3271
Abstract: Upon capturing a digital watermark-embedded print product by an image capturing device held by the hand of a user and extracting embedded information, the relative speed between the hand-held image capturing device and the print product changes, failing in extracting the embedded additional information. In an embodiment, the image capturing device performs continuous shooting for every small area to read the print product. A shoot image is analyzed to calculate the feature amount of the image. Information about an image capturing quality characteristic generated at the time of capturing the print product is estimated, and a change of the feature amount accompanying the image capturing quality characteristic is predicted based on the estimation result. A code indicated by the watermark is determined based on the calculation result and the prediction result.
Abstract translation: 通过由用户握持的图像拍摄装置捕获数字水印嵌入的打印产品并提取嵌入信息时，手持图像捕获装置与打印产品之间的相对速度改变，提取嵌入的附加信息 。 在一个实施例中，图像捕获装置对于每个小区域执行连续拍摄以读取打印产品。 分析拍摄图像以计算图像的特征量。 估计关于在拍摄印刷品时产生的图像拍摄质量特性的信息，并且基于估计结果预测伴随图像拍摄质量特性的特征量的变化。 基于计算结果和预测结果确定由水印指示的代码。
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Patent Agency Ranking
6.发明申请IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM 有权图像处理设备，图像处理方法以及非终端计算机可读存储介质公开(公告)号：US20160078584A1
公开(公告)日：2016-03-17
申请号：US14844211
申请日：2015-09-03
Applicant: CANON KABUSHIKI KAISHA
Inventor： Wei Song , Nobutaka Miyake , Yuki Ishida , Ryosuke Iguchi
CPC classification number: G06T7/0002 , G06T1/005 , G06T3/4038 , G06T2201/0065 , G06T2207/10004 , G06T2207/30168
Abstract: A plurality of images obtained by capturing, dividing over a plurality of times, a printed material in which additional information is embedded are input. Feature information concerning each of the inputted plurality of images is extracted. A poor quality area in the images is evaluated. An overlapping area of the plurality of images is specified based on the feature information. Additional information embedded in the printed material is extracted based on a result of the evaluating and a result of the specifying.
Abstract translation: 输入通过多次拍摄附加信息被嵌入的打印材料而获得的多个图像。 提取关于输入的多个图像中的每一个的特征信息。 评估图像质量差的区域。 基于特征信息来指定多个图像的重叠区域。 基于评估的结果和指定的结果来提取嵌入在打印材料中的附加信息。
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7.发明授权Image processing apparatus and method setting thresholds of dither patterns based on density range and generating binary data depending on thresholds of target pixels 有权图像处理装置和方法基于密度范围设置抖动图案的阈值，并根据目标像素的阈值生成二进制数据公开(公告)号：US09087291B2
公开(公告)日：2015-07-21
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
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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8.发明授权公开(公告)号：US09007655B2
公开(公告)日：2015-04-14
申请号：US14076710
申请日：2013-11-11
Applicant: Canon Kabushiki Kaisha
Inventor： Ryosuke Iguchi , Nobutaka Miyake , Akitoshi Yamada , Mitsuhiro Ono , Fumitaka Goto , Hidetsugu Kagawa , Tomokazu Ishikawa , Junichi Nakagawa , Senichi Saito
CPC classification number: H04N1/46 , H04N1/4015 , H04N1/4051
Abstract: One dither mask having a highest spacial frequency is selected from a plurality of dither masks. Next, a granularity is obtained with reference to a table based on the selected dither mask and an ejection amount level per area. Moreover, a difference in granularity between adjacent areas is calculated with respect to all of the areas. A maximum value is obtained out of the obtained differences in granularity, and then, the maximum difference in granularity is compared with a determination threshold. When the maximum difference in granularity is the threshold or greater, it is determined whether or not a dither mask having a spacial frequency lower than that of the selected dither mask is stored in a memory. When there are dither masks having lower spacial frequencies, a dither mask having a spacial frequency lower by one level than that of the selected dither mask is selected.
Abstract translation: 从多个抖动掩模中选择具有最高空间频率的一个抖动掩模。 接下来，参考基于所选择的抖动掩模的表和每个区域的喷射量水平获得颗粒度。 此外，相对于所有区域计算相邻区域之间的粒度差异。 从获得的粒度差中获得最大值，然后将最大粒度差与判定阈值进行比较。 当粒度上的最大差值为阈值或更大时，确定具有低于所选择的抖动掩模的空间频率的抖动掩模是否存储在存储器中。 当存在具有较低空间频率的抖动掩模时，选择具有比所选择的抖动掩模低的一个等级的空间频率的抖动掩模。
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公开(公告)号：US20140240535A1
公开(公告)日：2014-08-28
申请号：US14268139
申请日：2014-05-02
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryosuke Iguchi , Kiyoshi Umeda
Abstract: An amount of color correction of a facial region is modified based on changes caused in face average values by white balance correction. Also, the amount of color correction of the facial region is modified according to luminance of pixels of interest to perform optimum color correction on the facial region and a highlight region.
Abstract translation: 基于通过白平衡校正在面部平均值中引起的变化来修改脸部区域的颜色校正量。 此外，根据感兴趣的像素的亮度修改面部区域的颜色校正量，以对面部区域和高亮区域进行最佳颜色校正。
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10.发明申请公开(公告)号：US20140037208A1
公开(公告)日：2014-02-06
申请号：US14047346
申请日：2013-10-07
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kiyoshi Umeda , Ryosuke Iguchi
IPC: G06T5/00
CPC classification number: G06T5/00 , G06T1/00 , G06T5/009 , H04N1/4074 , H04N1/6027
Abstract: A gradation-correcting curve to correct a gradation of an input image is generated. Gradation correction based on the gradation-correcting curve is made to a boundary pixel of a color-reproduction space at the same saturation as that of a target lattice point and at a hue of the target lattice point. An equal-saturation line is set by using the boundary pixel of the color-reproduction space after the gradation correction. A saturation-correction amount of the target lattice point is decided based on the gradation-correcting curve and the equal-saturation line.
Abstract translation: 生成用于校正输入图像的灰度的灰度校正曲线。 以与目标网格点相同饱和度的色彩再现空间的边界像素和目标网格点的色调进行基于灰度校正曲线的灰度校正。 通过使用灰度校正之后的色彩再现空间的边界像素来设置等饱和线。 基于灰度校正曲线和等饱和线来确定目标格点的饱和度校正量。
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