公开(公告)号：EP1561183A1

公开(公告)日：2005-08-10

申请号：EP03770570.4

申请日：2003-09-29

Applicant: BASF Corporation

Inventor： MC CLANAHAN, Craig

IPC: G06T11/40 ,  G01J3/46

CPC classification number: G06T11/40 ,  C08K3/32 ,  C09D5/082 ,  C09D175/04 ,  G01J3/463 ,  G01J3/504 ,  C08L2666/54

Abstract: A computer system and method for creating an electronic image displaying effect paint samples is provided. The system includes a first module and an image module coupled thereto. The first module is adapted to establish a paint formula having an effect variable and to establish the effect variable as a function of the paint formula. The image module is adapted to generate an intermediate image having an associated color, to modify the intermediate image as a function of the effect variable, to generate the electronic image, and to display the electronic image.

公开(公告)号：EP1514083A1

公开(公告)日：2005-03-16

申请号：EP03721689.2

申请日：2003-04-16

Applicant: General Electric Company

Inventor： GRAF, John, Federick ,  ZHOU, Hongyi

IPC: G01J3/46

CPC classification number: G01J3/46 ,  G01J3/0251 ,  G01J3/463 ,  G01J3/504

Abstract: Method, system and computer product for formulating a bi-directional color match. In this disclosure, a computing unit (18) obtains spectral measurements of a target bi-directional color. The computing unit (18) uses a bi-directional color formulation tool (36) to determine a combination of pigments, dyes and platelet-shaped pigments that generates spectral measurements that match the spectral measurements of the target bi-directional color.

公开(公告)号：EP1456629A2

公开(公告)日：2004-09-15

申请号：EP02732624.8

申请日：2002-04-16

Applicant: REHAU AG + Co

Inventor： UDO, Pecher ,  ABENDSCHEIN, Horst

IPC: G01N21/88

CPC classification number: G01B11/306 ,  G01J3/0224 ,  G01J3/46 ,  G01J3/504 ,  G01N21/8806 ,  G01N21/8851

Abstract: The method for mobile on- and off-line monitoring of coloured and high-gloss automobile component surfaces (1a 1c) comprises a camera-supported (2) optical scanning of the automobile surface by means of an angle-dependent spectrophotometer, connected to and initialising an optical neuro-fuzzy structured image data bank (4), which permits a preparation of the measured signal (10) coming from the detector (8) by means of a computer-aided optical quality data bank (11) and allows an evaluation of the measured automobile surfaces. The data link occurs via a neuronal network (12) to a control unit for surface measurement systems (14), connected to a production planning system (15), a customer information system (17) and the production unit (16) for automobile painting/coating.

公开(公告)号：EP0805965B1

公开(公告)日：2004-05-06

申请号：EP96903621.9

申请日：1996-01-23

Applicant: UGTS, INC.

Inventor： VALENTE, Kevin, A. ,  REUTER, Ernest, R. ,  WAGNER, Randall, M.

IPC: G01N19/02 ,  G01N21/00 ,  G01N21/25 ,  G01J3/40 ,  G01J3/28 ,  G01J3/46 ,  A44C17/00 ,  G01N21/87

CPC classification number: G01J3/50 ,  G01J3/0251 ,  G01J3/504 ,  G01J3/51 ,  G01N21/87

公开(公告)号：EP1373867A1

公开(公告)日：2004-01-02

申请号：EP02742872.1

申请日：2002-03-28

Applicant: Akzo Nobel Coatings International B.V.

Inventor： DE HAAS, Klaas, Hendrik ,  DUBBELDAM, Gerrit, Cornelis ,  VAN DER LANS, Ivo, Bernardus, Nicolaas ,  FRIES, Robin, Paul

IPC: G01N21/57 ,  G01J3/50 ,  G01B11/30

CPC classification number: G01J3/02 ,  G01J3/0205 ,  G01J3/0216 ,  G01J3/10 ,  G01J3/50 ,  G01J3/504 ,  G01J3/524 ,  G01N21/57

Abstract: Device and method for recording the visual properties of a surface, comprising an imaging device (3) for recording light interaction (reflection or transmission) with a surface, a light source (2), and a sample area for positioning a sample (6) with a surface to be examined. The imaging device, the light source, and the sample area are arranged in such a way that in one image at least one of the surface properties is recordable as a function of a continuous range of angles between the illumination direction (7, 9) and the observation direction (4, 5). The imaging device is a CCD camera. The device and method are suitable for imaging and evaluating visual properties which are dependent on the optical geometry, such as flop behaviour and gloss.

公开(公告)号：EP0931247B1

公开(公告)日：2003-11-05

申请号：EP98924289.6

申请日：1998-05-08

Applicant: E.I. DU PONT DE NEMOURS AND COMPANY

Inventor： KETTLER, Wilhelm, H. ,  KOLB, Matthias ,  KRAUSE, Hartmut

IPC: G01J3/46 ,  G01N21/47

CPC classification number: G01J3/46 ,  G01J3/463 ,  G01J3/504 ,  G01J3/52 ,  G01J3/524 ,  G01J2003/2866 ,  G01N21/4738

Abstract: The invention relates to a method for calculating the dye formulations of pigmented effect dyeing tones, wherein i) a calibration table is drawn up for each pigment forming part of a colorant system and the pertaining reflection factors are determined experimentally; ii) the optical material parameters are determined from the measured reflection factors for each pigment forming part of a colorant system using a radiation transport model to describe the diffusion of light in particular media; iii) pseudo-pigment are formed from all of the wafer-like effect pigments forming part of a colorant system and from a fixed amount of one or several coloristically inert and topologically influenceable filling materials enabling the optical material parameters to be determined by means of said calibration table; iv) the reflection spectra of a post-adjustable effect dyeing tone is computationally simulated upon availability of formulation components or pigments and/or pertaining pseudo-pigments forming part of a colorant system on the basis of the material parameters using an appropriate radiation transport model to describe the diffusion of light, in particular media, wherein the appropriate amount of pigment, pseudo-pigment and topologically influenceable filling material is obtained.

公开(公告)号：EP1322937A1

公开(公告)日：2003-07-02

申请号：EP01971809.7

申请日：2001-07-28

Applicant: X-Rite GmbH

Inventor： FLEISCHER, Johannes

IPC: G01N21/25 ,  G01N21/57 ,  G01N21/47 ,  G01J3/50

CPC classification number: G01J3/50 ,  G01J3/0272 ,  G01J3/504 ,  G01N21/251 ,  G01N21/474 ,  G01N21/57

Abstract: The invention relates to a device for measuring colour, lustre and undulations on lacquered freeform surfaces at a predetermined target distance and symmetrically in relation to the measuring point normal lines at a measuring point. Said device is characterised by the provision of a measuring head that can be displaced in three dimensions by at least one motor and that comprises a measuring-head axis, a light emitter and a video camera. The light emitter is provided with a planar light pattern that is to be emitted along its illumination axis. An evaluation unit is provided for the light pattern (reproduction pattern) of the light emitter that is reproduced in the video camera, said evaluation unit emitting a control signal which is dependent on and formed from the distortion produced or the migration of the reproduction pattern. The measuring head is provided with a motor control, to whose input the control signal of the evaluation unit is applied and the measuring head is displaced in order to reduce the distortion or the migration of the reproduction pattern in the video camera to below a predetermined value, in such a way that both the measuring head axis coincides with the measuring point normal lines and the vertex of the angle formed by the illumination axis of the light emitter and the optical axis of the video camera coincides with the measuring point.

公开(公告)号：EP0530818A3

公开(公告)日：1993-12-01

申请号：EP92115115.5

申请日：1992-09-03

Applicant: X-RITE, INC.

Inventor： Berg, Bernard J. ,  Boes, Thomas J. ,  Cargill, Mark A.

IPC: G01J3/50 ,  G01N21/47

CPC classification number: G01J3/02 ,  G01J3/0218 ,  G01J3/0272 ,  G01J3/50 ,  G01J3/504 ,  G01J3/513 ,  G01N21/474 ,  G01N2021/4711 ,  G01N2021/4742 ,  G01N2021/4757 ,  G01N2201/126

Abstract: A spectrophotometer apparatus (200) is adapted to provide spectral reflectance measurements of object, particularly optical characteristics of colored surfaces comprising metallic or pearlescent particles. The apparatus (200) comprises a source light and a reflection optics assembly. Signals representative of reflected light are analyzed and data is generated representative of the spectral response characteristics of the object sample. The apparatus employs a plurality of fiber optic bundles for receiving light reflected from the object sample, with each of the fiber optic bundles being positioned at one of a corresponding plurality of fixed angles different from the angle of illumination by the source light. Reflectance is measured at each angle by sequential switching such that light is impaired from being received from all but one of the plurality of multiple angles. Light received from the fiber optic bundles is transferee to a single array of integral interference-filter/photodiode devices which modulate the light and determine the spectro characteristics thereof. With the use of fiber optic devices, a single source of illumination and a single optical detector arrangement, the spectrophotometer apparatus is employed within an optimally small packaging configuration, and the apparatus can be maintained in a portable mode while maintaining relatively high accuracy and repeatability.

公开(公告)号：EP0570003A2

公开(公告)日：1993-11-18

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: G06F15/72

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: A rendering apparatus includes: a radiant-energy calculating device for determining a spectral radiance for each infinitesimal area of an object by using a spectral radiance of a light source irradiating the object, a spectral reflectance in the infinitesimal area of the object, and a spectral reflectance factor in a wide area of the object; a color-specification-value calculating device for calculating color specification values of a colorimetric system on the basis of the spectral radiance obtained for each infinitesimal area; a transforming device for transforming the color specification values into image data for displaying an image of the object; and a display device for displaying the image of the object on the basis of the image data.

Abstract translation: 一种渲染装置包括：辐射能计算装置，用于通过使用照射对象的光源的光谱辐射度，物体的无限小区域中的光谱反射率和光谱来确定物体的每个无穷小区域的光谱辐射度 物体的广泛区域的反射系数; 颜色指定值计算装置，用于基于针对每个无限小区域获得的光谱辐射度来计算比色系统的颜色指定值; 变换装置，用于将颜色规格值转换为用于显示对象的图像的图像数据; 以及显示装置，用于基于图像数据显示对象的图像。

公开(公告)号：EP3417256A1

公开(公告)日：2018-12-26

申请号：EP17708931.5

申请日：2017-02-17

Applicant: PPG Industries Ohio, Inc.

Inventor： NEISEN, Penny

IPC: G01J3/50 ,  G01J3/46

CPC classification number: G06T7/41 ,  G01J3/463 ,  G01J3/504 ,  G06T7/001 ,  G06T7/49 ,  G06T7/90 ,  G06T2200/24 ,  G06T2207/10024 ,  G06T2207/30156

Abstract: A method for calculating a coating textures indicator can comprise receiving target coating texture variables from an image. The method can also comprise accessing a relative texture characteristic database that stores a set of texture characteristic relationships for a plurality of coatings. The method can further comprise calculating a correlation between the target coating texture variables and target coating texture variables associated with a compared coating. Based upon the calculated correlation, the method can comprise, calculating a set of relative texture characteristics for the target coating that indicate relative differences in texture between the target coating and the compared coating. Each of the relative texture characteristics can comprise an assessment over all angles of the target coating.