Class 356/611 - By stereo

Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter wherein two images from two cameras or
No. of patents: 58
Last issue date: 11/30/2010

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Number	Title	Issue Date
7843574	Apparatus and method for measuring the surface of a body In a light-slit method, a first and a second measurement light projection on a surface of an object to be measured may be unambiguously identified as a first or a second measurement light projection by a camera when there is a support apparatus operating the camera ...	11/30/2010
7499184	Three-dimensional measuring apparatus and three-dimensional measuring method The invention provides a measuring apparatus that can efficiently analyze a three-dimensional image by simultaneously recording a circular streak image and a straight-line streak image at a measured point, even when a large number of circular streak images are prese...	03/03/2009
7444013	Method and apparatus for recovering depth using multi-plane stereo and spatial propagation An image processing system recovers 3-D depth information for pixels of a base image representing a view of a scene. The system detects a plurality of pixels in a base image that represents a first view of a scene. The system the determines 3-D depth of the pluralit...	10/28/2008
7342402	Method of probing a device using captured image of probe structure in which probe tips comprise alignment features An image of an array of probes is searched for alignment features. The alignment features are then used to bring contact targets and the probes into contact with one another. The alignment features may be a feature of one or more of the tips of the probes. For examp...	03/11/2008
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
7289230	Wireless substrate-like sensor A wireless substrate-like sensor is provided to facilitate alignment and calibration of semiconductor processing systems. The wireless substrate-like sensor includes an optical image acquisition system that acquires one or more images of targets placed within the se...	10/30/2007
7283255	Wireless substrate-like sensor A wireless substrate-like sensor is provided to facilitate alignment and calibration of semiconductor processing systems. The wireless substrate-like sensor includes an optical image acquisition system that acquires one or more images of targets placed within the se...	10/16/2007
7274469	Method and apparatus for calibrating laser 3D digitizing sensor A method for calibrating a laser three-dimensional digitizing sensor. First, a three-dimensional coordinator X-Y-Z is defined and a calibrating surface is provided. Second, a first mapping table of a two-dimensional digital image to the Z axis is established by tran...	09/25/2007
7268345	Optical scanner and method for 3-dimensional scanning An optical scanner for three-dimensional scanning comprises: a support bed; a flat, transparent plate; guide rails under the transparent plate; a carriage slidably attached to the guide rails; and one or more sensors attached to the bed/case or carriage. For three-d...	09/11/2007
7257248	Non-contact measurement system and method A system and method for non-contact measurement of a complex part is provided. The method comprises acquiring an image of the complex part including imposed laser lines on the complex part using at least one imaging device, determining a span of interest of the comp...	08/14/2007
7239399	Pick and place machine with component placement inspection Improved component placement inspection and verification is performed by a pick and place machine. Improvements include stereovision imaging of the intended placement location; enhanced illumination to facilitate the provision of relatively high-power illumination i...	07/03/2007
7224472	Operation lamp with camera system for 3D referencing The invention relates to a system for the combined shadow-free illumination of a pre-definable area and for referencing three-dimensional spatial co-ordinates, and to an active or passive referencing system, each in particular for referencing surgical or medical ins...	05/29/2007
7206080	Surface shape measurement apparatus, surface shape measurement method, surface state graphic apparatus A surface shape measuring apparatus, comprising: a stereo-photographing part 3 for photographing an object 1 in stereo; a relative position changing part 4 for changing the positional relation between the stereo-photographing part 3 and t...	04/17/2007
7162398	Method for evaluating the dynamic perspective distortion of a transparent body and method for supporting the designing of a three-dimensionally curved shape of a transparent body A step of producing a model of three-dimensionally curved shape of a transparent body, a step of determining an eye point and a virtual evaluation pattern, a step of observing the virtual evaluation pattern through the transparent body and obtaining distance values ...	01/09/2007
7136171	Method for the extraction of image features caused by structure light using template information A method for use with a non-contact range finding and measurement system for generating a template guide representative of the surface of a observed object, and for utilizing the template guide to improve laser stripe signal to noise ratios and to compensate for cor...	11/14/2006
7110593	Method and system for generating three-dimensional data The apparatus is comprised by a three-dimensional measurement device for measuring an object and generating three-dimensional data of the object; a control device for changing a position or a posture of the object; a three-dimensional position sensor for measuring a...	09/19/2006
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
7092015	Apparatus and method for stereo matching and method of calculating an infinite distance corresponding point The reference image data corresponding to one pixel block stored in a reference image line memory 6 is output to a stereo matching circuit 8. The comparative image data corresponding to a “search range” stored in a comparative image line memory ...	08/15/2006
7076320	Scatterometry monitor in cluster process tool environment for advanced process control (APC) Systems and methods that improve process control in semiconductor manufacturing are disclosed. According to an aspect of the invention, conditions in a cluster tool environment and/or a wafer therein can be monitored in-situ via, for example, a scatterometry system,...	07/11/2006
7075739	Assembly for correcting laser illumination emitted from a laser light source and method for producing said assembly The invention relates to an assembly for correcting laser illumination emitted from a laser light source, comprising a laser light source, which has linear emission sources that are arranged in a row in a first direction (X), whereby in addition, the emission source...	07/11/2006
7046377	Method for determining corresponding points in three-dimensional measurement The invention relates to connection of corresponding points measured by a computer vision system. The points are indicated by an illuminator (LASER), by means of which several points can be illuminated on the surface of the object at the same time. A camera system (...	05/16/2006
6993179	Strapdown system for three-dimensional reconstruction The shape of a three-dimensional object is determined from uncalibrated stereo images by first determining the projection of the point on a reference plane. The distance of each point from the reference plane is obtained by a technique that makes use of a calibratio...	01/31/2006
6980302	Three dimensional digitizer using multiple methods A method and apparatus capable of using two or more capture methods to create three-dimensional representations of a target captured. Elements of the three-dimensional digital representation generated from the plural capture method are combined to yield a single dig...	12/27/2005
6928384	Image measurement and display device, image measurement and display system, construction management method, and construction status monitor system A device includes a shape measuring section 350 for measuring shape data from a pair of stereovision images of an object taken with an image taking section 2209 a memory section 340 for storing target data related to the images of the object; an...	08/09/2005
6897966	Non-contacting mensuration system A non-contacting mensuration system including a light source for projecting light on a target; an imager having an image plane; a first optical subsystem configured to project a first image of the light on the target onto a first portion of the image plane of the im...	05/24/2005
6690841	Method and apparatus for image registration A machine vision system includes an apparatus for registering an input image of an object, such as an aircraft engine blade, to a reference image comprising ideal specifications for the object in order to detect flaws in the object. The system includes on...	02/10/2004
6486963	Precision 3D scanner base and method for measuring manufactured parts In the context of a machine-vision system for inspecting a part, a method and apparatus to provide high-speed high accuracy 3D (three-dimensional) inspection of manufactured parts by reducing vibration. One system includes a machine-base unit and a table-...	11/26/2002
6101269	Apparatus and method for rapid 3D image parametrization A method and apparatus for rapid three dimensional geometry parametrization of a three dimensional surface. A random speckle pattern is projected upon the surface and imaged to obtain a plurality of two dimensional digital images. The two dimensional imag...	08/08/2000
6098031	Versatile method and system for high speed, 3D imaging of microscopic targets A system including confocal and triangulation-based scanners or subsystems provides data which is both acquired and processed under the control of a control algorithm to obtain information such as dimensional information about microscopic targets which ma...	08/01/2000
5719954	Stereo matching method and disparity measuring method A method for measuring stereo image disparity between right and left stereo images for each of two-dimensional blocks having a rectangular shape. In particular, the method includes the steps of deciding a level of each pixel in the right and left stereo i...	02/17/1998
5661667	3D imaging using a laser projector A method for generating 3D data of an object using a laser projector uses the steps of calibrating at least two laser projectors to a known coordinate system relative to an object; projecting a first laser beam along a path to a point on the object; placi...	08/26/1997
5625457	Method and apparatus for non-contact measurement of relative displacement An apparatus for performing non-contact measurement of relative displacement includes a microscope having one objective lens and two fields of view in which two points of measurement on a test piece can be located separately, a pair of cameras for taking ...	04/29/1997
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
5440393	Process and device for measuring the dimensions of a space, in particular a buccal cavity A process for measuring the dimensions of the buccal cavity with upper and lower jaw dentition uses a scanning device that is at least partially introduced into the buccal cavity. The scanning device is an optical measurement device whose optical signals ...	08/08/1995
5396331	Method for executing three-dimensional measurement utilizing correctively computing the absolute positions of CCD cameras when image data vary A method of measuring three-dimensional dimension of a object comprising the steps of installing two or more than two of CCD cameras, installing a plurality of reference-point members to at least four locations in the periphery of or on a measurable objec...	03/07/1995
5390024	Optical transform generating apparatus The formation of Epipolar (or orthogonal) images from linear sections of a two-dimensional scene image in order to build up a depth map of the scene image using Hough transform techniques presently requires a spaced array of image sensors or scanning move...	02/14/1995
5361127	Multi-image single sensor depth recovery system A multi-image single passive sensor depth recovery system is disclosed to determine the depth of an object in a scene, and includes a passive imaging sensor which images radiation from an object at a sensor plane. A lens having a multiplicity of facets lo...	11/01/1994
5347363	External lead shape measurement apparatus for measuring lead shape of semiconductor package by using stereoscopic vision A lead shape measurement apparatus includes a first perspective imaging device for photographing external leads to be measured, from an oblique direction; a second perspective imaging device for photograping external leads to be measured, from an oblique ...	09/13/1994
5321766	Method and apparatus for system documentation A method for system documentation includes photographing at least part of a system from at least two directions to obtain photographs with a camera having a film plane and a measuring grid plate in front of the film plane. The photographs are digitized. C...	06/14/1994
5285397	Coordinate-measuring machine for non-contact measurement of objects A plurality of video cameras (7a-d) are mounted on a table which is adapted support a workpiece or other object to be measured, and the mounting of each camera to the table provides for controlled universal orientation of each camera via an articulating h...	02/08/1994

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Class 356/611 - By stereo