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| Number | Title | Issue Date |
| 8059280 | Method for three-dimensional imaging using multi-phase structured light A method for mapping height of a feature upon a test surface is provided. The method includes projecting patterned illumination upon the feature, the patterned illumination having a plurality of distinct fringe periods. A first image of the feature is acquired while... | 11/15/2011 |
| 8014002 | Contour sensor incorporating MEMS mirrors A structured light sensor system for measuring contour of a surface includes an imaging lens system, an image capturing device, a first set of micro electromechanical system (MEMS) mirrors, and a control module. The imaging lens system focuses light reflected from t... | 09/06/2011 |
| 7869061 | Surface-distortion measuring device and method A surface-distortion measuring device and a surface-distortion measuring method can quantitatively, rapidly, and highly accurately measure and evaluate surface-distortion distribution at all of observable points on a specular or semi-specular surface of a measuremen... | 01/11/2011 |
| 7791738 | Three-dimensional shape measuring device, and portable measuring device A three-dimensional shape measuring device for measuring a three-dimensional shape of a measurement object using a light section method includes: a slit beam generator for generating a slit beam of a fan-like shape; a light projecting optical system for projecting t... | 09/07/2010 |
| 7751066 | Projector and three-dimensional input apparatus using the same An apparatus is disclosed for projecting patterned electromagnetic waves onto an object. This apparatus includes: an electromagnetic-wave source; a modulating element allowing at least part of an electromagnetic wave incoming from the source to be modulated; and a s... | 07/06/2010 |
| 7639372 | Scanning system with stereo camera set A scanning system includes one or more stereo camera sets (10) for detecting qualitative and quantitative anomalies of an object (40). Each stereo camera set (10) includes two cameras (12, 14) and a projector (16). Each camera (... | 12/29/2009 |
| 7532332 | Projector for an arrangement for three-dimensional optical measurement of objects A projector for an arrangement for three-dimensional optical measurement of objects (6) with the aid of a topometric measuring method in which images of projection patterns (2) projected onto an object (6) are acquired and evaluated, the project... | 05/12/2009 |
| 7433024 | Range mapping using speckle decorrelation A method for mapping includes projecting a primary speckle pattern from an illumination assembly into a target region. A plurality of reference images of the primary speckle pattern are captured at different, respective distances from the illumination assembly in th... | 10/07/2008 |
| 7433796 | Methods, systems, and formats for data, such as data used in laser projection of fasteners used in manufacturing A system and method provides data for a laser projection process used in manufacturing involving fasteners. For example, the laser projection process may include projecting a laser image associated with fasteners used to assemble objects. Fastener attribute data may... | 10/07/2008 |
| 7388678 | Method and device for three-dimensionally detecting objects and the use of this device and method In order to determine three-dimensional coordinates of a surface (2) of an object (3) to be detected, the changes in color of a color pattern (5), which is projected by a projector (4) onto the surface (2), are to be encoded by usi... | 06/17/2008 |
| 7372580 | Three-dimensional shape detecting device, three-dimensional shape detecting system, and three-dimensional shape detecting program In a three-dimensional shape detecting system comprising a three-dimensional shape detecting device and an external calculating device, the three-dimensional shape detecting device includes: projection means which projects pattern light onto a subject; image data ob... | 05/13/2008 |
| 7349104 | System and a method for three-dimensional imaging systems A method for acquiring a surface profile 3D data set of an object includes illuminating a surface of the object with a sequence of multiple rainbow projection (MRP) structural light patterns, capturing light reflected from the object, and calculating 3D data (X, Y, ... | 03/25/2008 |
| 7310154 | Shape measurement system An image capturing apparatus for capturing an image of an object. The image capturing apparatus includes a correspondence detector which detects a correspondence of characteristic points of an object based upon captured images of the object. A motion detector detect... | 12/18/2007 |
| 7295720 | Non-photorealistic camera A camera has a single lens and multiple flash units distributed around the lens. A set of images is acquired of a scene with different controlled lighting applied by the flash units, one at the time. The images are stored in a memory, and then combined to produce a ... | 11/13/2007 |
| 7259870 | 3-dimensional image acquisition apparatus and method, 3-dimensional reconstruction system, and light projection unit and light projection method therefrom A 3-dimensional image acquisition apparatus acquires images to be used for 3-dimensionally reconstructing an object by picking up the object by a camera twice or more in an image acquisition set including picking up at least once the object carrying a pattern projec... | 08/21/2007 |
| 7239735 | Pattern inspection method and pattern inspection device In this pattern inspection device, the optical scanning section scans the inspected pattern using a laser beam. A photoelectric image processing section generates an image of the inspected pattern. A reference image generation section calculates the gray level of ea... | 07/03/2007 |
| 7212293 | Optical determination of pattern feature parameters using a scalar model having effective optical properties Optical characterization of lateral features of a pattern is provided. A plane-wave optical response is calculated for each feature. At least one of these plane-wave responses is calculated from an effective optical property (e.g., a waveguide modal refractive index... | 05/01/2007 |
| 7154613 | Color coded light for automated shape measurement using photogrammetry A method and apparatus for using a plurality of regions of colored light to index and locate discrete targets in photogrammetry systems. The colored regions of light are used to determine a unique location on the surface of a three-dimensional object. Multiple proje... | 12/26/2006 |
| 7140544 | Three dimensional vision device and method, and structured light bar-code patterns for use in the same The present invention is a system and method for three dimensional machine vision including a projector and camera. The projector casts a structured light Quadratic Residue Bar Code on the surface to be mapped. The camera then images the surface. The projected image... | 11/28/2006 |
| 7103212 | Acquisition of three-dimensional images by an active stereo technique using locally unique patterns A system and method for acquiring three-dimensional (3-D) images of a scene. The system includes a projection device for projecting a locally unique pattern (LUP) onto a scene, and sensors for imaging the scene containing the LUP at two or more viewpoints. A computi... | 09/05/2006 |
| 7095886 | Arrangement and method for producing photogrammetric image records In the automatic photogrammetric 3D digitization of a body or body part marked e.g. by an envelope provided with photogrammetric target markers, the camera employed for image recording has additional light pattern projectors added thereon which are fastened to the c... | 08/22/2006 |
| 7092563 | Three-dimensional information acquisition apparatus and three-dimensional information acquisition method There are performed three types of object shooting, i.e., a projection pattern shooting using a pattern including both characterization of a stripe based on a color and characterization based on a gradation of the same component, a flash shooting without a pattern a... | 08/15/2006 |
| 7075661 | Apparatus and method for obtaining three-dimensional positional data from a two-dimensional captured image Methods and apparatus for introducing a plurality of optical markers to a field of view, capturing a two-dimensional image of said field of view on an image plate comprising a pixel array, determining a set of marker origin offset values and using said offset values... | 07/11/2006 |
| 7068825 | Scanning system and calibration method for capturing precise three-dimensional information of objects A scanning system includes a hand-held scanning device that generates two-dimensional images of a pattern reflected off an object. The system also includes a memory and processing unit. The memory stores a calibration table for the scanner and received scanned bitma... | 06/27/2006 |
| 7068836 | System and method for mapping a surface In accordance with a specific embodiment of the present invention, an image is projected upon a surface. The image can include a pattern having a plurality of individual shapes used to measure and map the surface. The plurality of individual shapes include features ... | 06/27/2006 |
| 7027642 | Methods for registration of three-dimensional frames to create three-dimensional virtual models of objects A method and system are provided for constructing a virtual three-dimensional model of an object using a data processing system, and at least one machine-readable memory accessible to the data processing system. A set of at least two digital three-dimensional frames... | 04/11/2006 |
| 7020538 | Look-up table method for custom fitting of apparel A method and system for coustom fitting an article to a human being or animal comprising, selecting on the basis of body information about the human being or animal a subset of entries from a database populated with entries, wherein the entries comprise data from wh... | 03/28/2006 |
| 7013040 | 3D image acquisition apparatus and 3D image acquisition method A 3D image acquisition apparatus comprises a pattern projection section which projects a pattern on an object to be measured, an imaging section which is disposed at a distance from the pattern projection section and images the object on which the pattern has been p... | 03/14/2006 |
| 7002699 | Identification and labeling of beam images of a structured beam matrix A technique for identifying beam images of a beam matrix includes a number of steps. Initially, a plurality of light beams of a beam matrix, which are arranged in rows and columns, are received after reflection from a surface of a target. Next, a reference light bea... | 02/21/2006 |
| 6937348 | Method and apparatus for generating structural pattern illumination A three-dimensional imaging method and system illuminates an object to be imaged with a light pattern that is formed from two or more light sub-patterns. The sub-patterns can each encompass the visible light spectrum or can be spatially varying intensity sub-pattern... | 08/30/2005 |
| 6927862 | Three-dimensional shape and color detecting apparatus A three-dimensional shape and color detecting apparatus that detects a three-dimensional shape of an object and a color thereof is provided with an illuminating system that emits light to illuminate the object, and a light receiving device that receives a reflected ... | 08/09/2005 |
| 6914685 | Apparatus and method for measuring the shape of a three dimensional object using projected multi-stripe patterns A three-dimensional measurement apparatus using multiple striped patterns and a method thereof is disclosed to take a three-dimensional measurement by projecting and transporting the multiple striped patterns having a plurality of stripes, not a single striped patte... | 07/05/2005 |
| 6904326 | Light responsive data entry system Systems, methods and devices are provided for a light responsive data entry system. The light responsive data entry system includes a panel. The panel includes a number of data entry areas for transmitting light incident on a surface of the panel to a sensor. The se... | 06/07/2005 |
| 6734951 | Range finder device and camera A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light... | 05/11/2004 |
| 6700669 | Method and system for three-dimensional imaging using light pattern having multiple sub-patterns A three-dimensional imaging method and system illuminates an object to be imaged with a light pattern that is formed from two or more light sub-patterns. The sub-patterns can each encompass the visible light spectrum or can be spatially varying intensity ... | 03/02/2004 |
| 6674893 | Three-dimensional shape measuring apparatus A three-dimensional shape measuring apparatus capable of simultaneously obtaining range information and luminance information with high precision, independently of an object. A controller scans slit light, emitted from a laser beam source and shaped by a ... | 01/06/2004 |
| 6556783 | Method and apparatus for three dimensional modeling of an object A topological panorama camera has a track or other system upon which a linescan camera can move in one, two or three dimensions while recording the image of an object. The path, speed, acceleration, scan rate and direction of the linescan camera can be co... | 04/29/2003 |
| 6495848 | Evaluation of projection pattern for transitions in pattern to determine spatial structure of 3D surfaces The present invention concerns a process for detecting the spatial structure of a three-dimensional surface by projection of a pattern on to the surface along a projection direction which defines a first axis, and by pixel-wise detection of at least one r... | 12/17/2002 |
| 6480678 | Light transmitting member driving device for a contour measuring apparatus A three-dimensional measuring apparatus or similar contour measuring apparatus of the present invention includes a projector for emitting light, a lattice film or similar light transmitting member, and a camera. Light issuing from the projector is transmi... | 11/12/2002 |
| 5986745 | Co-planar electromagnetic profile scanner A co-planar system for determining the shape and dimensions of a surface of an object includes a projector for projecting in a selected plane onto the object a spatially coded pattern of radiation, e.g., light. The system also includes a receiving device ... | 11/16/1999 |
