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公开(公告)号：US10652433B2
公开(公告)日：2020-05-12
申请号：US16506806
申请日：2019-07-09
Applicant: Konica Minolta, Inc.
Inventor： Mitsunori Nakamura
Abstract: An image forming apparatus that includes an image forming unit that forms an image on a transfer medium, a conveying unit that conveys the transfer medium, a first image detection unit that detects the image formed by the image forming unit on the transfer medium; and a control unit that controls the forming of the image and the conveying of the transfer medium, and receives detection results from the first image detection unit and a second image detection unit, wherein the control unit determines whether the image detected by the first image detection unit has image quality higher than or equal to predetermined quality and calibrates the first image detection unit based on the detection result from the first image detection unit and the detection result from the second image detection unit for the image having the image quality higher than or equal to predetermined quality.
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公开(公告)号：US10432824B2
公开(公告)日：2019-10-01
申请号：US14934901
申请日：2015-11-06
Applicant: Konica Minolta, Inc.
Inventor： Mitsunori Nakamura
Abstract: An image forming apparatus that includes an image forming unit that forms an image on a transfer medium, a conveying unit that conveys the transfer medium, a first image detection unit that detects the image formed by the image forming unit on the transfer medium; and a control unit that controls the forming of the image and the conveying of the transfer medium, and receives detection results from the first image detection unit and a second image detection unit, wherein the control unit determines whether the image detected by the first image detection unit has image quality higher than or equal to predetermined quality and calibrates the first image detection unit based on the detection result from the first image detection unit and the detection result from the second image detection unit for the image having the image quality higher than or equal to predetermined quality.
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公开(公告)号：US09811042B2
公开(公告)日：2017-11-07
申请号：US14814241
申请日：2015-07-30
Applicant: Konica Minolta, Inc.
Inventor： Mitsunori Nakamura , Kazuomi Sakatani
IPC: G03G15/00
CPC classification number: G03G15/6558 , G03G15/5062 , G03G2215/00945 , G03G2215/00949
Abstract: An image forming device includes an image forming unit, a conveying unit, a first image detecting unit, a second image detecting unit, and a controller, wherein the controller includes a detecting unit correcting mode in which the first image detecting unit is corrected by using an image detection result by the second image detecting unit, and in the detecting unit correcting mode, a transfer paper conveying speed at the time of image reading by the second image detecting unit is changed to the transfer paper conveying speed different from a normal transfer paper conveying speed at the time of image formation and the first image detecting unit is corrected based on read results of the same image by the first and second image detecting units.
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公开(公告)号：US10257392B2
公开(公告)日：2019-04-09
申请号：US15800769
申请日：2017-11-01
Applicant: KONICA MINOLTA, INC.
Inventor： Mitsunori Nakamura
Abstract: An image formation device includes an image formation section that forms an image on a transfer medium, and a control section that acquires a read image for which the image formed on the transfer medium is read, the control section has a function of determining abnormality regarding the read image, and a function of performing masking processing on the read image in a case where user content is included in the read image.
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Patent Agency Ranking
公开(公告)号：US10139765B1
公开(公告)日：2018-11-27
申请号：US15959513
申请日：2018-04-23
Applicant: Konica Minolta, Inc.
Inventor： Mitsunori Nakamura
CPC classification number: G03G15/5062 , G01J3/46 , G01J2003/466 , G03G15/6517 , G03G15/6591 , G03G2215/00556 , G03G2215/00603
Abstract: An image forming apparatus includes: an image former that forms an image on a transfer paper sheet; a colorimeter that reads the image; a conveyor that conveys the transfer paper sheet in the image formation and the reading of the image; and a controller that controls the formation of the image, and the reading and the conveyance of the image, wherein when a first conveyance velocity is a velocity at which the transfer paper sheet is conveyed when the image is formed by the image former, a second conveyance velocity is a velocity that is lower than the first conveyance velocity, and a long paper sheet having a longer transfer sheet length than a predetermined threshold value is used as the transfer paper sheet in an adjustment mode, the controller controls the image former and the conveyor, and controls the colorimeter and the conveyor.
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公开(公告)号：US20180146119A1
公开(公告)日：2018-05-24
申请号：US15800769
申请日：2017-11-01
Applicant: KONICA MINOLTA, INC.
Inventor： Mitsunori Nakamura
CPC classification number: H04N1/4493 , H04N1/00803 , H04N1/3872 , H04N1/44 , H04N1/6036 , H04N2201/0094
Abstract: An image formation device includes an image formation section that forms an image on a transfer medium, and a control section that acquires a read image for which the image formed on the transfer medium is read, the control section has a function of determining abnormality regarding the read image, and a function of performing masking processing on the read image in a case where user content is included in the read image.
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7.发明授权Image processing method, imaging processing apparatus and image processing program for correcting density values between at least two images 有权图像处理方法，成像处理装置和用于校正至少两个图像之间的浓度值的图像处理程序公开(公告)号：US09542733B2
公开(公告)日：2017-01-10
申请号：US14370944
申请日：2012-12-11
Applicant: KONICA MINOLTA, INC.
Inventor： Mitsunori Nakamura
CPC classification number: G06T5/40 , G06T5/007 , G06T7/194 , G06T2207/10012 , H04N1/4074
Abstract: An image processing method includes: a generating step of generating a cumulative histogram of density values of pixels included in at least each of a first image and a second image; a calculating step of calculating a distance between a density value on a first histogram generated from the first image and a density value on a second histogram generated from the second image, in a space defined to include histogram frequencies of the cumulative histograms and the density values; and a determining step of determining a correspondence relation between the density values included in the first image and the density values included in the second image based on the calculated distances between the density values, and determining a conversion function for correcting a density value between the first image and the second image based on the determined correspondence relation.
Abstract translation: 一种图像处理方法包括：生成步骤，生成包括在第一图像和第二图像中的至少每一个中的像素的浓度值的累积直方图; 计算步骤，用于计算在由包括累积直方图的直方图频率和密度值的空间中计算从第一图像生成的第一直方图上的浓度值与从第二图像生成的第二直方图上的浓度值之间的距离 ; 以及确定步骤，基于计算出的浓度值之间的距离，确定包含在第一图像中的浓度值与包含在第二图像中的浓度值之间的对应关系，并且确定用于校正第一图像之间的浓度值的转换函数 基于确定的对应关系的图像和第二图像。
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8.发明授权Image forming apparatus with measuring section which measures a height position of a sheet surface 有权具有测量片表面的高度位置的测量部分的图像形成装置公开(公告)号：US09135538B2
公开(公告)日：2015-09-15
申请号：US14227359
申请日：2014-03-27
Applicant: Konica Minolta, Inc.
Inventor： Hiroshi Isokawa , Mitsunori Nakamura
CPC classification number: G06K15/1867 , G03G15/00 , G03G15/5062 , G03G15/607 , H04N1/00013 , H04N1/00015 , H04N1/00023 , H04N1/00034 , H04N1/00045 , H04N1/0005 , H04N1/00063 , H04N1/00087 , H04N1/00092 , H04N1/23 , H04N1/2323 , H04N1/6033 , H04N1/6044 , H04N1/605 , H04N1/6055
Abstract: An image forming apparatus includes: a measuring section which measures a height position of a surface of a sheet at a reading position at which a reference image for image quality adjustment is read; a control section which determines a planar region of the sheet according to the height position, and determines a forming position of the reference image within the planar region; an image forming section which forms the reference image at a position of a sheet corresponding to the forming position, the sheet being newly fed after determination of the forming position; and a reading section which reads the reference image at the reading position, wherein the control section adjusts image quality by using a read value obtained from the reference image by the reading section.
Abstract translation: 图像形成装置包括：测量部，其测量在读取用于图像质量调整的参考图像的读取位置处的纸张的表面的高度位置; 控制部，其根据高度位置确定片材的平面区域，并且确定参考图像在平面区域内的形成位置; 图像形成部，其在与所述成形位置相对应的片材的位置处形成所述参考图像，所述片材在确定所述成形位置之后被新馈送; 以及读取部，其在读取位置读取参考图像，其中，所述控制部通过使用由所述读取部从所述参考图像获得的读取值来调整图像质量。
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9.发明申请IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING PROGRAM 有权图像处理方法，图像处理装置和图像处理程序公开(公告)号：US20150043817A1
公开(公告)日：2015-02-12
申请号：US14370944
申请日：2012-12-11
Applicant: KONICA MINOLTA, INC.
Inventor： Mitsunori Nakamura
CPC classification number: G06T5/40 , G06T5/007 , G06T7/194 , G06T2207/10012 , H04N1/4074
Abstract: An image processing method includes: a generating step of generating a cumulative histogram of density values of pixels included in at least each of a first image and a second image; a calculating step of calculating a distance between a density value on a first histogram generated from the first image and a density value on a second histogram generated from the second image, in a space defined to include histogram frequencies of the cumulative histograms and the density values; and a determining step of determining a correspondence relation between the density values included in the first image and the density values included in the second image based on the calculated distances between the density values, and determining a conversion function for correcting a density value between the first image and the second image based on the determined correspondence relation.
Abstract translation: 一种图像处理方法包括：生成步骤，生成包括在第一图像和第二图像中的至少每一个中的像素的浓度值的累积直方图; 计算步骤，用于计算在由包括累积直方图的直方图频率和密度值的空间中计算从第一图像生成的第一直方图上的浓度值与从第二图像生成的第二直方图上的浓度值之间的距离 ; 以及确定步骤，基于计算出的浓度值之间的距离，确定包含在第一图像中的浓度值与包含在第二图像中的浓度值之间的对应关系，并且确定用于校正第一图像之间的浓度值的转换函数 基于确定的对应关系的图像和第二图像。
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