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| Number | Title | Issue Date |
| 7359817 | Method of and device for re-calibrating three-dimensional visual sensor in robot system A re-calibration method and device for a three-dimensional visual sensor of a robot system, whereby the work load required for re-calibration is mitigated. While the visual sensor is normal, the visual sensor and a measurement target are arranged in one or more rela... | 04/15/2008 |
| 7310606 | Method and system for generating an image-textured digital surface model (DSM) for a geographical area of interest A computer-implemented method for generating an image-textured digital surface model (DSM) for a geographical area of interest including both buildings and terrain may include using a computer to generate a digital elevation model (DEM) of both the buildings and ter... | 12/18/2007 |
| 7242818 | Position and orientation sensing with a projector A position and orientation of a projector are determined from projected images. First, a homography between a camera and a planar surface, where the relationship between the camera and planar surface is fixed, is determined. Next, a known pattern is projected on the... | 07/10/2007 |
| 7117192 | Text and imagery spatial correlator A text and imagery spatial correlator automatically relates the geographic locations where events referenced in text occur to those same geographic locations appearing in imagery. In the preferred embodiment, the system deploys adaptable, context-sensitive agents fo... | 10/03/2006 |
| 7113313 | Dome-shaped apparatus for inspecting a component or a printed circuit board device An apparatus for inspecting a printed circuit board device, the device including at least one component mounted on a circuit board, the apparatus comprising an object carrier for carrying the printed circuit board device, imaging means for imaging along an optical a... | 09/26/2006 |
| 7110618 | Digital image analysis of reflecting markers The subject of the invention is a system for photogrammetric determination of centers of gravity of signal markers in moving objects. For reduction of the herein produced image data prior to the actual image measurement in a computer, patterns of adjacent pixels acr... | 09/19/2006 |
| 7089162 | Navigation map creation system A system is provided that simulates cartographic features of an electronic map. The system employs one or more geometric shapes, such as a clothoid, to represent cartographic features of the electronic map. The system may more accurately and realistically describe t... | 08/08/2006 |
| 6487517 | Target for photogrammetric analytical measurement system A control unit box and one of standard point members are provided close to a connection of first and second bars. A standard plane is defined by the standard point members. A loop antenna is provided in a mount unit situated on the top surface of the cont... | 11/26/2002 |
| 5589942 | Real time three dimensional sensing system The invention is a three dimensional sensing system which utilizes two flexibly located cameras for receiving and recording visual information with respect to a sensed object illuminated by a series of light planes. Each pixel of each image is converted t... | 12/31/1996 |
| 5345086 | Automatic map compilation system An automatic map complication system, for deriving information from a pair of stereoscopic photographs by scanning portions thereof which represent homologous imagery comprising: first means for scanning at least portions of a pair of stereoscopic photogr... | 09/06/1994 |
| 5121343 | 3-D stereo computer output printer A system for producing 3-D stereoscopic graphic hard copy output from computers is described. The left and right stereo images from the computer are spatially modulated, spatially multiplexed and then printed on a special paper. This special paper consist... | 06/09/1992 |
| 5043924 | Method and apparatus for scanning an object The invention is directed to a method and an apparatus for scanning the terrain surface and other objects transversely to the flight direction or direction of motion of the scanner with a detector row arranged perpendicularly to the direction of scanning ... | 08/27/1991 |
| 4982438 | Apparatus and method for recognizing three-dimensional shape of object A three-dimensional shape of an object is recognized by developing enveloping surfaces of the object by a cone-silhouetting method, wherein the object is picked up by a binocular three-dimensional vision method by making use of geometrical restraint condi... | 01/01/1991 |
| 4947048 | Stereoscopic photographic measuring device A stereoscopic photographic measuring device which can execute an analysis of a stereoscopic photograph very efficiently. The stereoscopic photographic measuring device comprises a table for receiving a set of stereoscopic photographs thereon, and an opti... | 08/07/1990 |
| 4818858 | Visual sensor system for producing stereoscopic visual information A visual sensor system for producing stereoscopic visual information comprises two sensors arranged on a plane and spaced by a predetermined distance from each other, light emitting elements arranged in one of the sensors for emitting light to an object t... | 04/04/1989 |
| 4792694 | Method and apparatus for obtaining three dimensional distance information stereo vision A method of forming a three-dimensional stereo vision is disclosed in which, in order to prevent the erroneous detection of an object point in the conventional method using two image focusing lens systems, three image points of an object point formed by l... | 12/20/1988 |
| 4755047 | Photometric stereoscopic shape measuring method Method of determining stereoscopic geometry of an object through photometric stereoscopic measurement with high accuracy. Three or more images of the object picked up in a same fixed direction by varying the state of light sources are derived. Relationshi... | 07/05/1988 |
| 4724526 | Apparatus and method for determining object elevation and height from images thereof A cartographic apparatus for determination of the elevations of features and heights of objects from stereoscopic images of complementing input records includes a parallax bar and movable reticles for generating a floating mark over points of interest in ... | 02/09/1988 |
| 4708472 | Stereophotogrammetric surveying and evaluation method A stereophotogrammetric surveying and evaluation method is presented. A camera is carried over the terrain of interest, the camera having three sensor lines arranged transversely or obliquely to the line of flight. From the resulting three overlapping lin... | 11/24/1987 |
| 4654872 | System for recognizing three-dimensional objects A system for recognizing a three-dimensional object includes a plurality of image pickup apparatus, e.g. TV cameras, by which images of the object are picked up from at least three directions. Feature points are extracted from each of at least three image... | 03/31/1987 |
| 4648717 | Method of three-dimensional measurement with few projected patterns Methods are provided for reducing the number of projected patterns required to make two- or three-dimensional surface measurements on a sub-class of surfaces comprising relatively smooth surfaces. By including apriori knowledge about the surface to be mea... | 03/10/1987 |
| 4634278 | Method of three-dimensional measurement with few projected patterns Methods are provided for reducing the number of projected patterns required to make two- or three-dimensional surface measurements on a sub-class of surfaces comprising relatively smooth surfaces. By including apriori knowledge about the surface to be mea... | 01/06/1987 |
| 4634279 | Method of three-dimensional measurement with few projected patterns Methods are provided for reducing the number of projected patterns required to make two- or three-dimensional surface measurements on a sub-class of surfaces comprising relatively smooth surfaces. By including apriori knowledge about the surface to be mea... | 01/06/1987 |
| 4628210 | Binocular artificial vision system with variable eyebase in response to a quality of correlation signal Disclosed herein is a binocular artificial vision system including left and right hand video cameras providing left and right video signals to a stereo correlator providing a correlated distance signal at the output thereof. The left and right hand video ... | 12/09/1986 |
| 4601053 | Automatic TV ranging system A range-finding system comprising the hardwired video processing of two side-by-side TV stereo images of a scene to provide automatic, rapid, quantitative ranging to noncooperative objects. A single TV camera with appropriate optics to provide stereo inpu... | 07/15/1986 |
| 4539701 | Photogrammetric stereoplotter A photogrammetric stereoplotter using a stereoscopic binocular unit (1) to provide an image of spatially separated masters (4,5) and including a cursor (6) providing X Y coordinates and measuring marks providing Z coordinates in which the X Y Z coordinate... | 09/03/1985 |
| 4443706 | Method for locating points on a three-dimensional surface using light intensity variations A method for locating points on a surface in which the surface is irradiated selectively with an irradiating volume which has a varying intensity that defines a first pattern. After irradiating the surface with the first pattern, the surface is irradiated... | 04/17/1984 |
| 4443705 | Method for locating points on a three-dimensional surface using light intensity variations A method for locating points on a surface, in which the surface is irradiated selectively with an irradiating volume which has a varying intensity that defines a first pattern. After irradiating the surface with the first pattern, the surface is irradiate... | 04/17/1984 |
| 4412799 | Apparatus and method for stereo relief modeling An apparatus for automatically adjusting the level of at least one surface point on a flexible platen of a photogrammetry apparatus having photogrammetric images projected thereon in first and second colors is disclosed as comprising means for receiving a... | 11/01/1983 |
| 4335962 | Method and apparatus for determining spatial information A method and apparatus for determining spatial information regarding the points on an object situated in an object space wherein substantially planar laterally spaced diverging radiant energy beams are applied to the object space and a recording means rec... | 06/22/1982 |
| 4269513 | Arrangement for sensing the surface of an object independent of the reflectance characteristics of the surface A plurality of projectors are positioned in spaced relationship about an object with a surface to be geometrically analyzed. The projectors have cooperating masks which project onto the object illuminated patterns that subdivide the object into predetermi... | 05/26/1981 |
| 4259589 | Generation of contiguous data files of three-dimensional information The method of generating data for files containing information regarding three-dimensional surface configurations, involving selective compilation of area data through use of projected rays of differing orientation, recording of the radiation patterns pro... | 03/31/1981 |
| 4193117 | Electronic correlator The invention concerns an electronic correlator for the evaluation of stereo-couples of photographs. Said electronic correlator comprises a normal correlator into which non-delayed signals are fed which in turn are derived from homologous points of each o... | 03/11/1980 |
| 4185918 | Arrangement for sensing the characteristics of a surface and determining the position of points thereon The surface to be sensed or scanned is placed in the path of a projector which is moved along an axis of the surface. The path of motion of the projector is subdivided into predetermined sections which are illuminated by the projector in accordance with a... | 01/29/1980 |
| 4175862 | Arrangement for sensing the geometric characteristics of an object A plurality of projectors are positioned in spaced relationship about an object with a surface to be geometrically analyzed. The projectors have cooperating masks which project onto the object illuminated patterns that subdivide the object into predetermi... | 11/27/1979 |
| 4127779 | Device for photogrammetric evaluation of stereo-couples of photographs A device for photogrammetric evaluation of stereo-couples of photographs which are scanned light electrically and, in order to obtain height coordinate values, are evaluated by correlation. The device is particularly useful in the evaluation of aerial photogra... | 11/28/1978 |
| 4126395 | Method for determining the spatial location of points on a specular surface The spatial locations of points defining a specular surface are determined by disposing the specular surface in the field of view of a lens and by using the specular surface to view by reflection an irradiated reference surface disposed successively in di... | 11/21/1978 |
| 4081690 | Automatic photogrammetric stereo plotter An automatic stereo plotter comprises a correlator and a follow-up unit, which is preferably employed to follow-up a measuring mark in z-direction relative to a stereo model to be evaluated. In order to improve the efficiency of the stereo plotter additio... | 03/28/1978 |
| 4071772 | Apparatus for measurement of mechanical aberrations affecting stereoscopic image analysis Apparatus to automatically analyze stereoscopic images comprising the determination of the maximum degree of correlation between two similar images of the same object projected by two objectives, for instance in a rangefinder, wherein the two images are s... | 01/31/1978 |
| 4025785 | Method of and apparatus for the automatic focusing of stereoscopic microscopes For automatic focusing of a stereoscopic microscope a focusing beam of rays, preferably in the infrared range of wave length, is generated by a pulse light source, and focused on the object to be observed in the form of a small luminous area which is supe... | 05/24/1977 |
