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公开(公告)号：US12125220B2
公开(公告)日：2024-10-22
申请号：US17624853
申请日：2020-07-29
申请人： Shuhei Watanabe , Takayuki Gotoh , Takuroh Sone
发明人： Shuhei Watanabe , Takayuki Gotoh , Takuroh Sone
CPC分类号： G06T7/40 , G01J3/504 , G01N21/55 , G06T7/0004 , G06T7/90 , H04N23/56 , H04N23/74 , G01J2003/467 , G01N2021/557 , G06T2207/10024 , G06T2207/10152 , G06T2207/30108
摘要： A surface characteristics evaluation method for evaluating a surface characteristic of a painted surface including a glittering material, including: a multi-angle condition image acquisition step S101 for acquiring a multi-angle condition image including multi-angle conditions in a continuous manner by performing an image-capturing process to capture how a reflection condition of the painted surface changes when rotating an illumination device 2 emitting light onto the painted surface, the image-capturing process being performed by the line scan camera 4 while a sample P having the painted surface is moved in a certain direction; an in-plane chromaticity distribution acquisition step S102 for acquiring an in-plane chromaticity distribution of the painted surface from the multi-angle condition image acquired; and a surface characteristics evaluation step S107 for calculating particle characteristics S as surface characteristics evaluation values of the multi-angle conditions, on the basis of the in-plane chromaticity distribution acquired.
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公开(公告)号：US20180350059A1
公开(公告)日：2018-12-06
申请号：US15994168
申请日：2018-05-31
申请人： Shuhei WATANABE , Takuroh SONE , Hideyuki KlHARA , Takayuki GOTOH , Takashi SOMA , Akihiro IWAMATSU
发明人： Shuhei WATANABE , Takuroh SONE , Hideyuki KlHARA , Takayuki GOTOH , Takashi SOMA , Akihiro IWAMATSU
CPC分类号： G01N21/8422 , G01N21/57 , G01N2021/8829
摘要： An evaluation device includes a projector to project a pattern having an edge component onto an object, an imaging device to capture an image of the object, a reflective-property correction unit to correct an amount of change in shape of a virtual image of the pattern reflected in the object, using reflective-property data of a surface of the object, and an evaluation-value calculator to evaluate image clarity of the surface of the object based on the corrected amount of change. A computer-readable non-transitory recording medium storing a program for causing a computer to execute a method. The method includes correcting an amount of change in shape of a virtual image of the pattern reflected in the object based on image data that is obtained by capturing an object onto which a pattern having an edge component is projected, using reflective-property data of a surface of the object.
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公开(公告)号：US09244415B2
公开(公告)日：2016-01-26
申请号：US14117419
申请日：2012-06-07
CPC分类号： G03G15/5025 , G03G15/0131 , G03G15/0189 , G03G15/5058 , G03G2215/0132
摘要： An image forming apparatus includes an image carrier, an image forming unit for forming a patch image on the image carrier, a light emitting unit, a plurality of light receiving units adjacently arranged so as to receive light reflected from the patch image when light is irradiated by the light emitting unit onto the patch image which moves with movement of the image carrier and each including one or more light receiving elements, and an output unit for outputting an output signal that depends on a difference between a received light quantity of a first light receiving unit and a received light quantity of a second light receiving unit that are respectively odd-numbered and even-numbered in the arrangement order of the light receiving units.
摘要翻译： 图像形成装置包括图像载体，用于在图像载体上形成贴片图像的图像形成单元，发光单元，多个光接收单元，其相邻布置以便在照射光时接收从补片图像反射的光 通过发光单元到与图像载体的移动一起移动并且每个包括一个或多个光接收元件的贴片图像的输出单元，以及用于输出取决于第一光的接收光量之间的差的输出信号的输出单元 接收单元和接收光量的第二光接收单元，其按照光接收单元的排列顺序分别奇数和偶数。
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公开(公告)号：US20220262019A1
公开(公告)日：2022-08-18
申请号：US17624853
申请日：2020-07-29
申请人： Shuhei WATANABE , Takayuki GOTOH , Takuroh SONE
发明人： Shuhei WATANABE , Takayuki GOTOH , Takuroh SONE
摘要： A surface characteristics evaluation method for evaluating a surface characteristic of a painted surface including a glittering material, including: a multi-angle condition image acquisition step S101 for acquiring a multi-angle condition image including multi-angle conditions in a continuous manner by performing an image-capturing process to capture how a reflection condition of the painted surface changes when rotating an illumination device 2 emitting light onto the painted surface, the image-capturing process being performed by the line scan camera 4 while a sample P having the painted surface is moved in a certain direction; an in-plane chromaticity distribution acquisition step S102 for acquiring an in-plane chromaticity distribution of the painted surface from the multi-angle condition image acquired; and a surface characteristics evaluation step S107 for calculating particle characteristics S as surface characteristics evaluation values of the multi-angle conditions, on the basis of the in-plane chromaticity distribution acquired.
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公开(公告)号：US11060918B2
公开(公告)日：2021-07-13
申请号：US16502290
申请日：2019-07-03
申请人： Takuroh Sone , Takafumi Hiroi , Takashi Soma , Shuhei Watanabe , Hideyuki Kihara
发明人： Takuroh Sone , Takafumi Hiroi , Takashi Soma , Shuhei Watanabe , Hideyuki Kihara
摘要： An evaluating method includes obtaining, by an imaging device, a two-dimensional reflected light amount distribution of a surface of a target; classifying, by one or more processors, the surface into a plurality of areas on the basis of chromaticity information of the two-dimensional reflected light amount distribution; and evaluating, by one or more processors, appearance characteristics of the target on the basis of respective sets of chromaticity information of the areas.
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6.发明申请公开(公告)号：US20200018650A1
公开(公告)日：2020-01-16
申请号：US16502290
申请日：2019-07-03
申请人： Takuroh Sone , Takafumi Hiroi , Takashi Soma , Shuhei Watanabe , Hideyuki Kihara
发明人： Takuroh Sone , Takafumi Hiroi , Takashi Soma , Shuhei Watanabe , Hideyuki Kihara
摘要： An evaluating method includes obtaining, by an imaging device, a two-dimensional reflected light amount distribution of a surface of a target; classifying, by one or more processors, the surface into a plurality of areas on the basis of chromaticity information of the two-dimensional reflected light amount distribution; and evaluating, by one or more processors, appearance characteristics of the target on the basis of respective sets of chromaticity information of the areas.
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公开(公告)号：US10168215B2
公开(公告)日：2019-01-01
申请号：US15911197
申请日：2018-03-05
申请人： Takayuki Gotoh , Takuroh Sone , Akihiro Iwamatsu , Hideyuki Kihara , Takashi Soma , Shuhei Watanabe
发明人： Takayuki Gotoh , Takuroh Sone , Akihiro Iwamatsu , Hideyuki Kihara , Takashi Soma , Shuhei Watanabe
摘要： A color measurement apparatus includes at least one illuminator, an imager, and circuitry. The circuitry is configured to normalize each pixel included in an imaging region of one of the spectral reflectance images of the measurement target irradiated with light at a specific illumination angle of the plurality of illumination angles, with one of the spectral reflectance images of the reference object irradiated with light at the specific illumination angle, for each of the plurality of illumination angles so as to generate normalized spectral reflectance images of the measurement target. The circuitry further calculates a numerical value of at least one color for each pixel of the normalized spectral reflectance images of the measurement target, for respective ones of the plurality of illumination angles, to measure color of the surface of the measurement target.
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8.发明申请公开(公告)号：US20170270655A1
公开(公告)日：2017-09-21
申请号：US15459178
申请日：2017-03-15
申请人： Shuhei WATANABE , Takuroh SONE , Hideyuki KlHARA , Takashi SOMA , Akihiro IWAMATSU , Naoki NAKAMURA , Takayuki GOTOH
发明人： Shuhei WATANABE , Takuroh SONE , Hideyuki KlHARA , Takashi SOMA , Akihiro IWAMATSU , Naoki NAKAMURA , Takayuki GOTOH
摘要： A texture evaluation apparatus includes a projector, an imager, and an evaluator. The projector is configured to project a two-dimensional pattern having an edge element onto an object. The imager is configured to capture an image of a surface of the object. The evaluator is configured to calculate an amount of shape change of a virtual image of the two-dimensional pattern in the image, and evaluate texture of the object based on the amount of shape change and sensory evaluation information obtained in advance.
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公开(公告)号：US20140308049A1
公开(公告)日：2014-10-16
申请号：US14117419
申请日：2012-06-07
IPC分类号： G03G15/00
CPC分类号： G03G15/5025 , G03G15/0131 , G03G15/0189 , G03G15/5058 , G03G2215/0132
摘要： An image forming apparatus includes an image carrier, an image forming means for forming a patch image on the image carrier, a light emitting means, a plurality of light receiving means adjacently arranged so as to receive light reflected from the patch image when light is irradiated by the light emitting means onto the patch image which moves with movement of the image carrier and each including one or more light receiving elements, and an output means for outputting an output signal that depends on a difference between a received light quantity of a first light receiving means and a received light quantity of a second light receiving means that are respectively odd-numbered and even-numbered in the arrangement order of the light receiving means.
摘要翻译： 图像形成装置包括图像载体，用于在图像载体上形成贴片图像的图像形成装置，发光装置，多个光接收装置，其被相邻布置以便在照射光时接收从补片图像反射的光 通过发光装置到随着图像载体的移动而移动并且每个包括一个或多个光接收元件的补片图像，以及输出装置，用于输出取决于第一光的接收光量之间的差的输出信号 接收装置和接收光量的第二光接收装置，其分别以光接收装置的排列顺序奇数和偶数编号。
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公开(公告)号：US20180259394A1
公开(公告)日：2018-09-13
申请号：US15911197
申请日：2018-03-05
申请人： Takayuki GOTOH , Takuroh SONE , Akihiro IWAMATSU , Hideyuki KlHARA , Takashi SOMA , Shuhei WATANABE
发明人： Takayuki GOTOH , Takuroh SONE , Akihiro IWAMATSU , Hideyuki KlHARA , Takashi SOMA , Shuhei WATANABE
CPC分类号： G01J3/50 , G01J3/021 , G01J3/0297 , G01J3/06 , G01J3/28 , G01J3/465 , G01J3/504 , G01J2003/467
摘要： A color measurement apparatus includes at least one illuminator, an imager, and circuitry. The circuitry is configured to normalize each pixel included in an imaging region of one of the spectral reflectance images of the measurement target irradiated with light at a specific illumination angle of the plurality of illumination angles, with one of the spectral reflectance images of the reference object irradiated with light at the specific illumination angle, for each of the plurality of illumination angles so as to generate normalized spectral reflectance images of the measurement target. The circuitry further calculates a numerical value of at least one color for each pixel of the normalized spectral reflectance images of the measurement target, for respective ones of the plurality of illumination angles, to measure color of the surface of the measurement target.
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