公开(公告)号：EP2403229A1

公开(公告)日：2012-01-04

申请号：EP11170204.9

申请日：2011-06-16

Applicant: Ricoh Company, Ltd.

Inventor： Shimbo, Kohei ,  Kamijo, Naohiro ,  Seo, Manabu ,  Kubota, Yoichi

IPC: H04N1/60 ,  G01J3/46

CPC classification number: H04N1/6027 ,  G01J3/462 ,  G01J3/501 ,  G01J3/502 ,  G01J3/51

Abstract: Spectral characteristics of an object is estimated using an extended sensor response, which includes a product of at least two light intensity signals whose wavelength ranges are partially overlapped with each other.

Abstract translation: 使用扩展的传感器响应来估计对象的光谱特性，该响应包括至少两个波长范围彼此重叠的光强度信号的乘积。

公开(公告)号：EP1507134A1

公开(公告)日：2005-02-16

申请号：EP03016535.1

申请日：2003-07-23

Applicant: Gretag-Macbeth AG

Inventor： Frick, Beat ,  Schenkel, Paul

IPC: G01J3/46 ,  G01N21/25

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

Abstract: Ein für Einbauzwecke bestimmtes Spektralfotometer umfasst einen Messkopf mit einer mindestens eine Lichtquelle (11) aufweisenden Beleuchtungsanordnung (10) zur Beleuchtung eines in einer Messebene (M) befindlichen Messobjekts unter einem Einfallswinkel von im wesentlichen 45°, mit einer Aufpickanordnung (20) zum Auffangen des vom Messobjekt remittierten Messlichts unter einem Ausfallswinkel von im wesentlichen 0° relativ zum Lot auf die Messebene, mit einer einen Eintrittsspalt (31) aufweisenden Spektrometeranordnung (30) zur spektralen Aufspaltung des aufgefangenen und ihr durch den Eintrittsspalt zugeführten Messlichts und mit einer vom spektral aufgespaltenen Messlicht beaufschlagten fotoelektrischen Empfängeranordnung (32) zur Umwandlung der einzelnen Spektralanteile des Messlichts in entsprechende elektrische Signale. Ferner umfasst es eine elektronische Schaltung (100), welche die Lichtquelle (11) steuert und aus den von der fotoelektrischen Empfängeranordnung erzeugten elektrischen Signalen digitale Messwerte erzeugt. Die Lichtquelle (11) ist als flacher Cosinus-Strahler ausgebildet und so angeordnet, dass ihre Hauptstrahlungsrichtung im wesentlichen parallel zum Hauptstrahl (21) des remittierten Messlichts verläuft und der Mittenabstand der Lichtquelle vom Hauptstrahl des remittierten Messlichts im wesentlichen gleich gross ist wie der Abstand der Lichtquelle (11) von der Messebene (M). Die Lichtquelle (11) umfasst eine Kombination von zwei oder mehreren in einer Ebene und vorzugsweise auf einem gemeinsamen Träger angeordneten Leuchtdioden unterschiedlicher spektraler Charakteristiken, wobei die Ebene im wesentlichen parallel zur Messebene (M) ausgerichtet ist. Die Spektrometeranordnung (30) weist ein topfförmiges Spektrometergehäuse (34) aus Kunststoff mit einem im wesentlichen zylindrischen Mantel (34a) und einem abnehmbaren Deckel (34b) auf. Im Spektrometergehäuse ist ein konkaves Beugungsgitter (35) koaxial zum Mantel angeordnet und liegt auf einer am Mantel ausgebildeten und vorzugsweise komplementär zum Beugungsgitter geformten Ringschulter (34c) auf. Der Deckel (34b) presst das Beugungsgitter (35) über eine Druckfeder (36) mit definierter Kraft gegen die Ringschulter (34c). Das Spektrometergehäuse (34) ist mit seiner dem Deckel (34b) gegenüberliegenden Seite auf einer den Eintrittsspalt (31) und die fotoelektrische Empfängeranordnung (32) enthaltenden Printplatte (33) positioniert und durch eine Spannfeder (37) an der Printplatte fixiert. Die Aufpickanordnung (20) ist direkt an der dem Spektrometergehäuse (34) gegenüberliegenden Seite der Printplatte (33) montiert.

Abstract translation: 光谱光度计具有测量头，该测量头至少具有用于在45度照射测量对象的照明装置（10）的光源（11）。 光源被构造为余弦辐射器，并且被布置成使得其主辐射方向基本上平行于重新发射的测量光的主光束（21），并且光源与重新发射的主光束的中间距离 光的距离基本上与光源距离测量平面（M）的距离相同。 对光谱光度计的测量头进行独立的要求。

公开(公告)号：EP1470918A2

公开(公告)日：2004-10-27

申请号：EP04252096.5

申请日：2004-04-08

Applicant: QUAD/TECH, INC.

Inventor： Noffke, Patrick James ,  Younk, Patrick ,  Moersfelder, Bradley S.

IPC: B41F33/00 ,  G01J3/50 ,  G01J3/28

CPC classification number: G01J3/2803 ,  B41F33/0036 ,  G01J3/2823 ,  G01J3/50 ,  G01J3/502 ,  G01J3/513 ,  G01J3/524

Abstract: An image processing apparatus and method for measuring spatial and spectral information from an image of a printed substrate. The image processing apparatus processes the spatial and spectral information from the same acquired image using first and second processors. One of the first or second processors includes a large format sensor and the other of the first or second processors includes a small format sensor. Both the first and second processors are capable of processing both the spatial and spectral information and neither the first or second processor is necessarily dedicated to processing only the spatial or spectral information.

公开(公告)号：EP0772030B1

公开(公告)日：2003-03-26

申请号：EP96117275.6

申请日：1996-10-28

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hashiya, Seiichi, c/o Toshiba K.K., Int. Prop. Div

IPC: G01J3/50

CPC classification number: G01J3/502 ,  G01J3/50 ,  G01J2003/466

公开(公告)号：EP0823041B1

公开(公告)日：2002-09-04

申请号：EP96910142.7

申请日：1996-04-24

Applicant: Technical Casino Services Limited

Inventor： KIRITCHENKO, Alexandre Ivanovitch

IPC: G01J3/50

CPC classification number: G01J3/50 ,  G01J3/502 ,  G01J3/504

Abstract: A method of detecting the colour of an article such as gambling chips to permit the different colour chips to be sorted. The method comprises sensing the colour of the article at a plurality of places thereon by moving the article relative to colour sensing means, and integrating the colour measured with respect to time.

公开(公告)号：EP1126258A3

公开(公告)日：2002-02-13

申请号：EP01300809.9

申请日：2001-01-30

Applicant: NCR INTERNATIONAL INC.

Inventor： Spencer, Michael Allen ,  Collins, Donald Alexander, Jr.

IPC: G01J3/46 ,  G01N21/25 ,  G07G1/00

CPC classification number: G06K9/22 ,  G01J3/0272 ,  G01J3/28 ,  G01J3/42 ,  G01J3/50 ,  G01J3/502 ,  G01N21/251 ,  G01N21/274 ,  G06K7/10584 ,  G06K7/10732 ,  G06K7/10851 ,  G06K2209/17

Abstract: A hand-held produce data collector which captures wavelength information from a produce item. The produce data collector includes a light emitter for illuminating a produce item, collecting optics for collecting light reflected from the produce item and separating the reflected light into a plurality of wavelength portions of light, a photosensor for capturing wavelength information from the wavelength portions of light, control circuitry, and a hand-held housing containing the light emitter, the collecting optics, the photosensor, and the control circuitry. The control circuitry may store reference wavelength information and compare the captured wavelength information to the reference wavelength information to identify the produce item.

公开(公告)号：EP1109510A1

公开(公告)日：2001-06-27

申请号：EP99939962.9

申请日：1999-09-01

Applicant: Identa I/S

Inventor： BYBJERG PEDERSEN, Lars ,  JOHANSEN, Ole ,  KASTFELT, Svend-Ove

IPC: A61C19/10 ,  G01J3/46

CPC classification number: G01J3/02 ,  G01J3/0218 ,  G01J3/46 ,  G01J3/502 ,  G01J3/508

Abstract: Method for measuring the colour of a patient's tooth, e.g. for preparing a dental prosthesis, by which method a measuring probe (1) is placed adjacent the tooth, light being emitting from the probe (1) which after reflection from the surface of the tooth is received by the same probe (1). The measuring probe (1) comprises two light conductor members (2, 3), one for transmitting light and one for receiving light, the first light conductor member (2) being formed of a bundle of light conductors concentrically arranged in relation to the second light conductor member (3). A spectroscopic member (7) communicating with a processor means (8) determines the shade of the tooth in relation to a given colour guide.

Abstract translation: 用于测量患者牙齿颜色的方法，例如， 为了制备牙科假体，通过这种方法将测量探针（1）放置在与牙齿相邻的位置处，从探针（1）发射的光在从牙齿表面反射之后由相同的探针（1）接收。 测量探头（1）包括两个光导体构件（2,3），一个用于传输光，一个用于接收光，第一光导体构件（2）由一束相同于第二个 光导体部件（3）。 与处理器装置（8）通信的分光部件（7）确定相对于给定颜色引导件的牙齿的阴影。

公开(公告)号：EP0570003B1

公开(公告)日：2000-08-02

申请号：EP93107885.1

申请日：1993-05-14

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Tsuji, Hiroyuki ,  Suzuki, Kazuhiko ,  Watanabe, Keiko ,  Takagi, Atsushi, c/o TOYOTA JIDOSHA K.K. ,  Takaoka, Hitoshi, c/o TOYOTA JIDOSHA K.K. ,  Baba, Goro

IPC: G01J3/46 ,  G06T15/50

CPC classification number: G01J3/28 ,  G01J3/2803 ,  G01J3/46 ,  G01J3/465 ,  G01J3/502 ,  G01J3/504 ,  G01J3/51 ,  G01J3/524 ,  G01J2001/448 ,  G01J2003/2826 ,  G01J2003/2866 ,  G01J2003/467 ,  G01N2021/575 ,  G06T15/50

公开(公告)号：EP0961475A3

公开(公告)日：1999-12-29

申请号：EP99104775.4

申请日：1993-05-14

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Tsuji, Hiroyuki ,  Suzuki, Kazuhiko ,  Watanabe, Keiko ,  Takagi, Atsushi ,  Takaoka, Hitoshi ,  Baba, Goro

IPC: H04N1/10

CPC classification number: G01J3/28 ,  G01J3/2803 ,  G01J3/46 ,  G01J3/465 ,  G01J3/502 ,  G01J3/504 ,  G01J3/51 ,  G01J3/524 ,  G01J2001/448 ,  G01J2003/2826 ,  G01J2003/2866 ,  G01J2003/467 ,  G01N2021/575 ,  G06T15/50

Abstract: The present invention proposes a multispectral image scanner comprising: optical means including an incident light source, a plurality of optical filters for selecting light in a plurality of wavelength bands which do not overlap from the light reflected from an object to which the light is radiated from said incident light source, by means of reflection or transmission, and light-detecting means for detecting for each of said optical filters a quantity of the light selected by said plurality of optical filters; correcting means for determining a central wavelength of each of the plurality of wavelength bands corrected on the basis of a spectral distribution obtained by a combination of a spectral distribution of said incident light source, a spectral transmittance of each of said optical filters, and a spectral sensitivity distribution of said light-detecting means calibrating means for calibrating for each predetermined wavelength band a measurement value of a sample with respect to the central wavelength determined by said correcting means, by using a measurement value of a reference plate measured by said optical means as a reference; and estimating means for estimating a spectral reflectance on the basis of the value calibrated for each central wavelength.

Abstract translation: 本发明提出了一种多光谱图像扫描仪，其包括：光学装置，其包括入射光源，多个光学滤波器，用于选择多个波长带中的光，所述多个波长带不与从光照射到的物体反射的光重叠 所述入射光源通过反射或透射，以及光检测装置，用于为每个所述滤光器检测由所述多个滤光器选择的光量; 校正装置，用于根据通过组合所述入射光源的光谱分布，每个所述光学滤波器的光谱透射率和光谱的组合获得的光谱分布来确定所述多个波长带中的每一个的中心波长， 所述光检测装置校准装置的灵敏度分布用于通过使用由所述光学装置测量的基准板的测量值作为样本相对于由所述校正装置确定的中心波长的测量值来针对每个预定波长带校准 一个参考; 以及估计装置，用于基于针对每个中心波长校准的值来估计光谱反射率。

公开(公告)号：EP0961475A2

公开(公告)日：1999-12-01

申请号：EP99104775.4

申请日：1993-05-14

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Tsuji, Hiroyuki ,  Suzuki, Kazuhiko ,  Watanabe, Keiko ,  Takagi, Atsushi ,  Takaoka, Hitoshi ,  Baba, Goro

IPC: H04N1/10

CPC classification number: G01J3/28 ,  G01J3/2803 ,  G01J3/46 ,  G01J3/465 ,  G01J3/502 ,  G01J3/504 ,  G01J3/51 ,  G01J3/524 ,  G01J2001/448 ,  G01J2003/2826 ,  G01J2003/2866 ,  G01J2003/467 ,  G01N2021/575 ,  G06T15/50

Abstract: The present invention proposes a multispectral image scanner comprising: optical means including an incident light source, a plurality of optical filters for selecting light in a plurality of wavelength bands which do not overlap from the light reflected from an object to which the light is radiated from said incident light source, by means of reflection or transmission, and light-detecting means for detecting for each of said optical filters a quantity of the light selected by said plurality of optical filters; correcting means for determining a central wavelength of each of the plurality of wavelength bands corrected on the basis of a spectral distribution obtained by a combination of a spectral distribution of said incident light source, a spectral transmittance of each of said optical filters, and a spectral sensitivity distribution of said light-detecting means calibrating means for calibrating for each predetermined wavelength band a measurement value of a sample with respect to the central wavelength determined by said correcting means, by using a measurement value of a reference plate measured by said optical means as a reference; and estimating means for estimating a spectral reflectance on the basis of the value calibrated for each central wavelength.

Abstract translation: 本发明提出了一种多光谱图像扫描器，包括：光学装置，包括入射光源，多个光学滤光器，用于选择多个波长带中的光，所述多个波长带与从光被照射的物体反射的光不重叠 所述入射光源通过反射或透射;以及光检测装置，用于检测每个所述滤光器的所述多个滤光器所选择的光量; 校正装置，用于根据通过所述入射光源的光谱分布，每个所述滤光器的光谱透射率和光谱的光谱分布获得的光谱分布来校正所述多个波长带中的每一个波长带的中心波长; 所述光检测装置的灵敏度分布用于通过使用由所述光学装置测量的参考板的测量值，对于每个预定波长带校准样品相对于由所述校正装置确定的中心波长的测量值， 参考; 以及估计装置，用于基于针对每个中心波长校准的值来估计光谱反射率。