公开(公告)号：US20140050496A1

公开(公告)日：2014-02-20

申请号：US13969306

申请日：2013-08-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yasutomo Furuta

IPC: G03G15/00

CPC classification number: G01J3/46 ,  G01J3/0232 ,  G01J3/027 ,  G01J3/502 ,  G01J3/524 ,  G03G15/5062 ,  G03G15/55

Abstract: An image forming apparatus includes an image forming unit configured to form a measurement image on a sheet, a measurement unit configured to radiate light on the measurement image via a transparent window, and measure the light reflected from the measurement image, a white reference plate of which a white level is measured by the measurement unit, a black member of which a black level is measured by the measurement unit, and a determination unit configured to determine, based on a change in a measurement result of the white reference plate and a change in a measurement result of the black member measured by the measurement unit, whether the white reference plate, the black member, or the window is soiled.

Abstract translation: 图像形成装置包括：图像形成单元，被配置为在片材上形成测量图像;测量单元，被配置为经由透明窗口在测量图像上辐射光，并测量从测量图像反射的光;白色参考板 由测量单元测量白色电平，由测量单元测量黑色电平的黑色部件，以及确定单元，被配置为基于白色参考板的测量结果的变化和变化来确定 在由测量单元测量的黑色构件的测量结果中，白色参考板，黑色构件或窗口是否变脏。

公开(公告)号：US08502980B2

公开(公告)日：2013-08-06

申请号：US12934247

申请日：2009-03-16

Applicant: Kenji Imura

Inventor： Kenji Imura

IPC: G01J3/46

CPC classification number: G01J3/50 ,  G01J3/10 ,  G01J3/2803 ,  G01J3/501 ,  G01J3/502 ,  G01J3/524

Abstract: A spectral characteristic measuring system includes, a data processing apparatus, and a program, which correct an illumination light variation caused by a temperature rise in a semiconductor light-emitting element due to light emission or in a scanning type color measurement system, which sequentially measures color samples 1n and in which a semiconductor light-emitting element is used as a light source.Spectral distributions of illumination lights which are measured before and after the color sample is measured are interpolated, to estimate a spectral distribution of an illumination light at the time when a spectral distribution of the color sample is obtained. Spectral characteristics of the color sample are identified based on the spectral distribution of the reflected light or the transmitted light reflected by or transmitted through the color sample and the estimated spectral distribution.

Abstract translation: 光谱特性测量系统包括数据处理装置和程序，其校正由于发光引起的半导体发光元件中的温度上升引起的照明光的变化或扫描型色彩测量系统，其依次测量 彩色样品1n，其中使用半导体发光元件作为光源。 内插测量颜色样本之前和之后测量的照明光的光谱分布，以估计获得彩色样本的光谱分布时的照明光的光谱分布。 基于反射光的光谱分布或由颜色样本反射或透射的透射光的光谱分布和估计的光谱分布来识别颜色样本的光谱特性。

公开(公告)号：US20120150471A1

公开(公告)日：2012-06-14

申请号：US13310666

申请日：2011-12-02

Applicant: Hiroyuki Muto

Inventor： Hiroyuki Muto

IPC: G06F19/00

CPC classification number: G01J3/524 ,  G01J3/462 ,  G01J3/502 ,  H04N1/6044

Abstract: There is provided a color processing apparatus comprising: a first input unit configured to input a reference spectral reflectance obtained by measuring a patch image with a spectrophotometer serving as a reference unit; a second input unit configured to input a correction target spectral reflectance obtained by measuring the patch image with a spectrophotometer serving as a correction target unit; a correction coefficient generation unit configured to generate a correction coefficient between the correction target spectral reflectance and the reference spectral reflectance, for each wavelength; and a correction unit configured to correct, for each wavelength, the spectral reflectance measured by the correction target unit, using the correction coefficient.

Abstract translation: 提供了一种颜色处理装置，包括：第一输入单元，被配置为输入通过用作参考单元的分光光度计测量贴片图像而获得的参考光谱反射; 第二输入单元，被配置为输入通过用作校正目标单位的分光光度计测量所述斑块图像获得的校正目标光谱反射率; 校正系数生成单元，被配置为针对每个波长生成校正目标光谱反射率和参考光谱反射率之间的校正系数; 以及校正单元，被配置为使用校正系数来校正由校正目标单元测量的每个波长的光谱反射率。

公开(公告)号：US07432974B2

公开(公告)日：2008-10-07

申请号：US11543856

申请日：2006-10-06

Applicant: Shinichi Mihara ,  Toyoharu Hanzawa ,  Toshihide Nozawa

Inventor： Shinichi Mihara ,  Toyoharu Hanzawa ,  Toshihide Nozawa

IPC: H04N5/232 ,  H04N5/225 ,  G02B5/18 ,  G02B21/02 ,  G02B15/14

CPC classification number: H04N9/045 ,  G01J3/502 ,  G02B5/04 ,  G02B5/201 ,  G02B13/18 ,  G02B15/161 ,  G02B15/177 ,  G02B26/007 ,  G02B27/1013 ,  G02B27/141 ,  G02B27/144 ,  G02B27/145 ,  H04N5/2251 ,  H04N5/2351

Abstract: An optical system enables images of a wide range of natural subjects to be well reproduced with their colors, and provides an image pickup system including, at least, an image pickup optical system, an electronic image pickup device having three or more different spectral characteristics to obtain a color image, and a controller for implementing signal processing or image processing on the basis of an output from the electronic image pickup device. The optical element that takes part in the determination of a focal length in said image pickup system includes an optical element making use of a refraction phenomenon alone. The 400-nm wavelength input/output ratio is 10% or less with respect to an input-output ratio for a 400-nm to 800-nm wavelength at which an output signal strength ratio with respect to an input quantity of light is highest when the input quantity of light is defined by the quantity of a light beam emanating from the same object point and entering the image pickup optical system and the output signal strength is defined by the strength of a signal produced from the controller in response to the light beam.

Abstract translation: 一种光学系统使得各种自然对象的图像能够以其颜色良好地再现，并且提供一种图像拾取系统，至少包括图像拾取光学系统，具有三个或更多个不同光谱特性的电子图像拾取装置， 获得彩色图像，以及用于基于来自电子图像拾取装置的输出实现信号处理或图像处理的控制器。 参与所述图像拾取系统中的焦距的确定的光学元件包括仅使用折射现象的光学元件。 相对于400nm至800nm波长的输入输出比，对于输入光量的输出信号强度比最高时，400nm波长输入/输出比为10％以下 光的输入量由从同一物体点发射并进入摄像光学系统的光束的量定义，并且输出信号强度由响应于光束的从控制器产生的信号的强度来定义 。

公开(公告)号：US20080174788A1

公开(公告)日：2008-07-24

申请号：US11961507

申请日：2007-12-20

Applicant: Peter Ehbets ,  Adrian Kohlbrenner

Inventor： Peter Ehbets ,  Adrian Kohlbrenner

IPC: G01B11/14 ,  G01J3/46

CPC classification number: H04N1/04 ,  G01J3/02 ,  G01J3/027 ,  G01J3/0278 ,  G01J3/50 ,  G01J3/502 ,  H04N1/00002 ,  H04N2201/0436 ,  H04N2201/0456

Abstract: A scanner device for measuring the color properties of a measured object pixel by pixel has a support surface for the measured object, a color measuring head, a drive unit for moving the color measuring head above the support surface in at least one dimension thereof and for adjusting the height of the color measuring head in the direction perpendicular to the support surface, as well as a measurement and drive control unit which activates the drive unit and co-operates with the color measuring head. It is also equipped with an electronic distance control system which adjusts the distance of the color measuring head above the measurement point in the direction perpendicular to the support surface to a desired measuring distance for every measurement point by means of the drive unit. The electronic distance control system works with measurement values generated by the color measuring head and distance values computed from them. The scanner device is suitable for running high-precision measurements on even the smallest measurement fields without contact and no separate measurement sensor is needed for the distance control system.

Abstract translation: 用于逐像素地测量被测物体的颜色属性的扫描仪装置具有用于测量对象的支撑表面，颜色测量头，用于在至少一个维度上将颜色测量头移动到支撑表面上方的驱动单元，并用于 在垂直于支撑表面的方向上调节彩色测量头的高度，以及测量和驱动控制单元，其激活驱动单元并与测色头配合。 还配备有电子距离控制系统，其通过驱动单元将测量点在与支撑表面垂直的方向上的距离调整到每个测量点的所需测量距离。 电子距离控制系统使用由测量头产生的测量值和从它们计算的距离值。 扫描仪装置适用于即使在最小测量领域也不接触地进行高精度测量，距离控制系统也不需要单独的测量传感器。

公开(公告)号：US20080128593A1

公开(公告)日：2008-06-05

申请号：US11798257

申请日：2007-05-11

Applicant: Fumio Nakaya ,  Hirokazu Ichikawa

Inventor： Fumio Nakaya ,  Hirokazu Ichikawa

IPC: G01J1/44 ,  H03G3/20

CPC classification number: G01J3/46 ,  G01J3/462 ,  G01J3/502 ,  G01J3/51 ,  H04N1/486 ,  H04N1/603

Abstract: An image processing device includes: a spectral reflectance calculation unit that calculates a spectral reflectance on the basis of intensities of reflection light and irradiation intensities; a color value calculation unit that obtains color values based on the spectral reflectance; a coefficient calculation unit that calculates coefficients respectively for a plurality of predetermined eigenvectors where the color values are expressed by a linear combination between the plurality of predetermined eigenvectors, the coefficients, and spectral energies of at least two types of irradiation light; and an output unit that generates and outputs information corresponding to estimation values within a wavelength range defined by excluding at least one of a low and a high wavelength ranges from the wavelength range including the wavelengths of visible light, among estimation values of the spectral reflectances expressed by linear combination between the respective coefficients calculated by the coefficient calculation unit and the eigenvectors.

Abstract translation: 图像处理装置包括：光谱反射率计算单元，其基于反射光的强度和照射强度来计算光谱反射率; 颜色值计算单元，其基于所述光谱反射率获得颜色值; 系数计算单元，其分别计算多个预定特征向量的系数，其中所述颜色值由所述多个预定特征向量之间的线性组合，所述系数和至少两种类型的照射光的光谱能量表示; 以及输出单元，其在从表示的光谱反射率的估计值之中生成并输出与从包括可见光波长的波长范围排除低和高波长范围中的至少一个所限定的波长范围内的估计值的信息 通过由系数计算单元计算的各个系数与特征向量之间的线性组合。

公开(公告)号：US20070030367A1

公开(公告)日：2007-02-08

申请号：US11543856

申请日：2006-10-06

Applicant: Shinichi Mihara

Inventor： Shinichi Mihara

IPC: H04N9/04

CPC classification number: H04N9/045 ,  G01J3/502 ,  G02B5/04 ,  G02B5/201 ,  G02B13/18 ,  G02B15/161 ,  G02B15/177 ,  G02B26/007 ,  G02B27/1013 ,  G02B27/141 ,  G02B27/144 ,  G02B27/145 ,  H04N5/2251 ,  H04N5/2351

Abstract: An optical system enables images of a wide range of natural subjects to be well reproduced with their colors, and provides an image pickup system including, at least, an image pickup optical system, an electronic image pickup device having three or more different spectral characteristics to obtain a color image, and a controller for implementing signal processing or image processing on the basis of an output from the electronic image pickup device. The optical element that takes part in the determination of a focal length in said image pickup system includes an optical element making use of a refraction phenomenon alone. The 400-nm wavelength input/output ratio is 10% or less with respect to an input-output ratio for a 400-nm to 800-nm wavelength at which an output signal strength ratio with respect to an input quantity of light is highest when the input quantity of light is defined by the quantity of a light beam emanating from the same object point and entering the image pickup optical system and the output signal strength is defined by the strength of a signal produced from the controller in response to the light beam.

Abstract translation: 一种光学系统使得各种自然对象的图像能够以其颜色良好地再现，并且提供一种图像拾取系统，至少包括图像拾取光学系统，具有三个或更多个不同光谱特性的电子图像拾取装置， 获得彩色图像，以及用于基于来自电子图像拾取装置的输出实现信号处理或图像处理的控制器。 参与所述图像拾取系统中的焦距的确定的光学元件包括仅使用折射现象的光学元件。 相对于400nm至800nm波长的输入输出比，对于输入光量的输出信号强度比最高时，400nm波长输入/输出比为10％以下 光的输入量由从同一物体点发射并进入摄像光学系统的光束的量定义，并且输出信号强度由响应于光束的从控制器产生的信号的强度来定义 。

公开(公告)号：US20060109474A1

公开(公告)日：2006-05-25

申请号：US11273912

申请日：2005-11-15

Applicant: Kenji Imura

Inventor： Kenji Imura

IPC: G01N21/47

CPC classification number: G01N21/8422 ,  G01J3/02 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0216 ,  G01J3/0218 ,  G01J3/0229 ,  G01J3/0272 ,  G01J3/10 ,  G01J3/50 ,  G01J3/502 ,  G01J3/504 ,  G01J3/524 ,  G01J2003/2866 ,  G01N21/255

Abstract: An optical measuring apparatus includes: an illumination system having a toroidal mirror which is by circularly rotating a parabolic curve or its approximate curve around an axis with the focal point of the parabolic curve or the substantial light focusing point of the approximate curve forming a focal point arc; and a plurality of illuminators which are arranged in the vicinity of the focal point arc to reflect beams emanated from the illuminators by the toroidal mirror as parallel beams for projection onto the object surface in different directions on the measurement plane; a light detecting system which detects the reflection beams from the object surface in a specific direction; and a controller/calculator which successively turns on the illuminators, measures the reflection beams from the object surface in respective illuminating directions of the illuminators, and calculates reflection characteristics of the object surface in the respective illuminating directions.

Abstract translation: 一种光学测量装置包括：具有环形反射镜的照明系统，该环形反射镜通过抛物线曲线圆周旋转抛物线曲线或其近似曲线绕着抛物线曲线的焦点或近似曲线的实质光聚焦点形成焦点 弧; 以及布置在所述焦点弧附近的多个照明器，以将由所述环形镜发出的所述照明器的光束作为平行光束反射，用于在所述测量平面上以不同方向投影到所述物体表面上; 光检测系统，其从特定方向检测来自物体表面的反射光束; 以及连续打开照明器的控制器/计算器，测量来自照明器的各个照明方向的物体表面的反射光束，并计算各个照明方向上的物体表面的反射特性。

公开(公告)号：US20050052648A1

公开(公告)日：2005-03-10

申请号：US10894797

申请日：2004-07-20

Applicant: Beat Frick ,  Paul Schenkel

Inventor： Beat Frick ,  Paul Schenkel

IPC: G01J1/06 ,  G01J3/02 ,  G01J3/10 ,  G01J3/28

CPC classification number: G01J3/02 ,  G01J1/06 ,  G01J3/0205 ,  G01J3/0216 ,  G01J3/0267 ,  G01J3/10 ,  G01J3/501 ,  G01J3/502 ,  G01J3/524

Abstract: A spectral photometer intended for integration purposes includes a measurement head equipped with illumination arrangement (10) including at least one light source (11) for the illumination at an angle of incidence of 45° of a measured object and located in a measurement plane (M), a pickup arrangement (20) for capturing the measurement light remitted by the measured object at an angle of reflection of essentially 0° relative to the perpendicular to the measurement plane, a spectrometer arrangement (30) including an entry aperture (31) for the spectral splitting of the measurement light captured and fed through the entry aperture, and a photoelectric receiver arrangement (32) exposed to the split measurement light for conversion of the individual spectral components of the measurement light into corresponding electrical signals. It further includes an electronic circuit (100) for control of the light source (11) and forming digital measurement values from the electrical signals produced by the photoelectric receiver arrangement. The light source (11) is constructed as a cosign beamer and located in such a way that its main radiation direction is essentially parallel to the main beam (21) of the remitted measurement light and the mean distance of the light source from the main beam of the remitted measurement light being essentially the same as the distance of the light source (11) from the measurement plane (M). The light source (11) includes a combination of two or more light emitting diodes of different spectral characteristics located in one plane and preferably positioned on a common carrier, whereby the plane is oriented essentially parallel to the measurement plane (M). The spectrometer arrangement (30) includes a pot-shaped spectrometer housing (34) made of plastic with an essentially cylindrical mantle (34a) and a removable cover. A concave diffraction grating (35) is positioned coaxially to the mantle in the spectrometer housing and rests on an annular shoulder (34c) formed on the mantle and preferably shaped complementary to the diffraction grating. The cover (34b)forces the diffraction grating (35) against the annular shoulder (34c) at a predefined force by way of a compression spring (36). The spectrometer housing (34) is with an end opposite the cover positioned on a printed circuit plate (33) including the entry aperture (31) and the photoelectric receiver arrangement (32) and fixed to the printed circuit plate (33) by a clamping spring (37). The pickup arrangement (20) is directly mounted on that side of the printed circuit plate (33) which is opposite the side of the spectrometer housing (34).

公开(公告)号：US06704108B2

公开(公告)日：2004-03-09

申请号：US10030053

申请日：2002-01-08

Applicant: Norbert Lauinger

Inventor： Norbert Lauinger

IPC: G01N2125

CPC classification number: G01J3/46 ,  G01J3/462 ,  G01J3/502

Abstract: A grating optical sensor includes: a lens imaging an object space; a diffractive hexagonal 3D grating optical modulator in the image plane of the lens to form at least one trichromatic RGB diffraction pattern; a photoelectric receiver arrangement arranged in the near field downstream of the modulator, having individual receivers configured to generate electric signals in accordance with centrosymmetrically trichromatic RGB diffraction orders of the diffraction pattern; an evaluation device for the electric signals generated by the individual receivers; and at least one light-diffusion plate arranged in either a pupillary plane of the lens or a papillary plane conjugate to the lens or both.

Abstract translation: 光栅光学传感器包括：成像物体空间的透镜; 在透镜的图像平面中的衍射六边形3D光栅光调制器，以形成至少一个三色RGB衍射图案; 布置在调制器下游的近场的光电接收器装置，具有被配置为根据衍射图案的中心对称三色RGB衍射级产生电信号的各个接收器; 用于由各个接收器产生的电信号的评估装置; 以及布置在透镜的瞳孔平面中的至少一个光漫射板或与透镜共轭的乳头面或两者。