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8184144 |
Method of calibrating interior and exterior orientation parameters
The present invention calibrates interior orientation parameters (IOP) and exterior orientation parameters (EOP). With the calibrated IOPs and EOPs, a remotely controlled camera can quickly obtains...
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8134719 |
3-D imaging using telecentric defocus
An apparatus for obtaining 3-D surface contour image data of a tooth has a double telecentric optical system disposed to form an image of the surface of the tooth onto an image detector array. A...
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8116853 |
Three-dimensional imaging using an inflatable membrane and an intensity ratio based on differential light absorption at two wavelengths
The attenuation and other optical properties of a medium are exploited to measure a thickness of the medium between a sensor and a target surface. Disclosed herein are various mediums, arrangements...
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8112146 |
Three-dimensional imaging using a luminescent surface and a differentially attenuating medium
The attenuation and other optical properties of a medium are exploited to measure a thickness of the medium between a sensor and a target surface. Disclosed herein are various mediums, arrangements...
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8107086 |
Three-dimensional imaging using absorption
The attenuation and other optical properties of a medium are exploited to measure a thickness of the medium between a sensor and a target surface. Disclosed herein are various mediums, arrangements...
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8078025 |
Vehicle dynamic measurement device and method for comprehensive parameters of rail wear
The invention discloses a vehicle dynamic measurement device for comprehensive parameters of rail wear, which comprises a vision sensor, a computer and a milometer. A high-speed image acquisition...
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7707003 |
Method and apparatus for tracing and blending commingled non-liquid bulk materials
A method and system collects and manipulates information from various sources for the purpose of determining the location of loads of material in a bulk material storage container and tracing the...
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7684613 |
Method and system for aligning three-dimensional shape data from photogrammetry data and three-dimensional measurement data using target locations and surface vectors
In a method for aligning three-dimensional shape data obtained by performing a three-dimensional measurement of an object, photogrammetry of the object with a target mark is performed to obtain a...
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7679723 |
Measuring device and method that operates according to the basic principles of confocal microscopy
A scanning system for confocal scanning of an object, comprising a light source (1), imaging optics (4) for focusing the light (5) radiated from the light source (1) onto the object (6) to be...
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7671998 |
Surface configuration measuring method and surface configuration measuring system
A measuring method, comprising a step of drawing a line on a surface such as ground surface, a step of performing measurement along the line on a predetermined measurement range including the line,...
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7616292 |
Examination apparatus
The invention provides an examination apparatus including an objective optical system for positioning a focal point inside a specimen mounted on a stage; an image-acquisition apparatus for...
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7617068 |
Method for determining relative mobility or regions of an object
A method for determining a mobility of foot comprising: measuring at least a portion of a shape of the foot under a first weight load; measuring the at least the portion of the shape of the foot...
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7548305 |
Shallow angle shape sensor
A system for providing shape determination of a planar or quasi-planar surface is disclosed. The system includes a number of targets located on the surface and one or more sensor devices. The...
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7379601 |
Visualization and processing of multidimensional data using prefiltered and sorting criteria
Complex multidimensional datasets generated by digital imaging spectroscopy can be organized and analyzed by applying software and computer-based methods comprising sorting algorithms. Combinations...
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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...
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7298870 |
Granule color sorting apparatus with display control device
A color sorting apparatus capable of displaying images of granules picked up by a CCD sensor on a panel and performing sensibility control of defective granules while observing the displayed images...
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7273277 |
Advanced vision intervention algorithm
A method of optimizing the predictability of a vision correction procedure by comparing historical data, including the vision defect, the correction method and outcome, in terms of wavefront...
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7233962 |
Optical error simulation system
There is disclosed a method and computer program product for estimating a measure of the quality of the received signal in a computer simulation of an optical transmission system, wherein the...
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7152017 |
Numerical analysis system using hybrid grid adaptation method
The numerical analysis system of the invention analyzes the dynamical state of the compressible fluid employing Hybrid Grid Adaptation Method by Finite Volume Method. The initial grid data are...
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7001024 |
Image input apparatus using projected light
The present invention provides an image input apparatus into which a three-dimensional image as well as a two-dimensional image can be easily input. This image input apparatus includes an image...
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6803997 |
Gridlocking and correlation methods and arrangements
The present invention is in the area of tracking objects with systems such as correlation, gridlocking, optical correlation, and combinations thereof. Embodiments encompass systems of process...
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6658282 |
Image registration system and method
An apparatus for registering a series of video images of a spherical or quasi-spherical surface subject to movement relies on projecting at least four diffusely scattering spots of light on the...
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6529267 |
Method for acquiring an image by oversampled push-broom scanning
The invention concerns a method for acquiring an image by oversampled push-broom scanning from a satellite-borne vehicle or aircraft carrying at least a load transfer sensor bar, characterised in...
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6394999 |
Laser eye surgery system using wavefront sensor analysis to control digital micromirror device (DMD) mirror patterns
A system and method for performing corneal ablation or reshaping with a laser in order to correct aberrations in the optical system of the eye utilizes a wavefront sensor which defines a wavefront...
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6301549 |
Three dimensional object boundary and motion determination device and method of operation thereof
A device for determining at least a portion of a convex boundary of an object and a method of operating the same to determine the convex boundary or motion thereof. In one embodiment, the device...
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6174392 |
Composite structure repair process
A method for repairing a multi-layered damage area in a multi-layered composite structure. The method first includes obtaining depth measurement data, and obtaining topographical measurement data...
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6059773 |
Method and apparatus for measuring properties of the eye using an virtual object
A technique for evaluating the topography of a cornea in which a virtual object of a keratoscope pattern isured. The topography system includes a structured light source to create the keratoscope...
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6038074 |
Three-dimensional measuring apparatus and method, image pickup apparatus, and apparatus and method for inputting image
Images of an object viewed from a plurality of points of view is input through an image inputting unit. Change of orientation of the image inputting means, occurring when the images of the object...
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6033721 |
Image-based three-axis positioner for laser direct write microchemical reaction
Apparatus for determining a best trajectory for laser CVD through a strategy of acquiring a series of two-dimensional plane images of the substrate. These images, taken together, contain...
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5929980 |
Distance measuring apparatus and shape measuring apparatus
A small-sized precision distance measuring apparatus. When a laser beam 1b reflected from an article is received on a photodetector array (30) through a lens array (20), the effective area of the...
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5825666 |
Optical coordinate measuring machines and optical touch probes
The optical touch probe has a first target at the distal end thereof on the contact element in a standard probe. The probe is mounted to a video camera of an optical coordinate measuring machine to...
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5793900 |
Generating categorical depth maps using passive defocus sensing
A method is disclosed for generating a categorical depth map of a scene using passive defocus sensing. In a preferred embodiment three synchronized CCD cameras focused at different distances detect...
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5790243 |
Highway profile measuring system
A system for measuring the quality of pavement surfaces. An amplitude modulated laser scanning system, mounted on a motor vehicle, scans the pavement surface as the motor vehicle travels over it. A...
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5675326 |
Method of determining optimal detection beam locations using reflective feature mapping
A method of defining a sensing system for detecting the presence of an object in a volume of space under surveillance by determining the optimal placement of a plurality of energy beams which are...
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5612905 |
Three-dimensional measurement of large objects
A three-dimensional measurement method and device are intended for fast and accurate measurement of large objects such as vehicles. The method includes the steps of determining approximate...
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5557397 |
Aircraft-based topographical data collection and processing system
A system is described for rapidly and accurately determining the topography of land masses as well as individual x,y,z coordinates of discrete targets. The system incorporates a laser altimeter, a...
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5519485 |
Stereo image measuring apparatus
The present invention relates to a stereo image measuring apparatus for displaying stereo images and effecting three-dimensional measurement and a correlation process on a screen for displaying the...
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5481483 |
Non-contact method of obtaining dimensional information about an object for comparing similar objects
Circular reference features such as drilled holes are located in an area of a part such as a cylinder head, the surface of which is laser scanned to obtain scan data. The scan data provides height...
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5455670 |
Optical electronic distance measuring apparatus with movable mirror
A rangefinder system employs three laser rangefinders for determining three dimensional coordinates, each rangefinder using a steerable mirror for aiming the rangefinder beams at a series of...
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5442573 |
Laser thickness gauge
An apparatus for determining the position of a surface of a specimen relative to a reference point. The apparatus has a beam source which produces a narrow beam and a beam splitter splits the...
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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...
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5383013 |
Stereoscopic computer vision system
A stereoscopic computer vision system that uses a novel algorithm for obtaining the best match between corresponding features in the left and right images of desired objects in the image scene,...
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5363185 |
Method and apparatus for identifying three-dimensional coordinates and orientation to a robot
A system and a process for identifying three-dimensional coordinates and orientation to a robot. A pair of CCD video cameras are used to measure the position of a laser or other light source spot...
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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...
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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...
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5309375 |
A method for determining a surface topology of a workpiece
A method for determining a surface topology of a workpiece preferably comprising a general symmetric asphere. The method includes the steps of coupling a projectile to a surface of a workpiece, and...
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5309522 |
Stereoscopic determination of terrain elevation
Digitized stereo image pairs are analyzed by first aggregating the images to produce several levels of lower resolution images, bandpass filtering each of the images by applying a Laplacian filter...
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5262835 |
Method and apparatus for making stereophotographic documenatation and photogrammetric measurement of impressions or models or jaws
A method of making stereophotographic documentation and photogrammetric of impressions or of models of jaws, in which the impression or the model of a jaw is placed on a reference object, which in...
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5235398 |
Cavity monitoring system
A cavity monitoring system includes a supporting system adapted to be installed in an access leading to a mined stope, or any other cavity, a mast mounted on the supporting system and adapted to...
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5225876 |
Range finding camera
The camera includes two functionally equivalent line and field scanners, one for issuing a light pulse that will be returned by an object point, and identified by a particular line/field scanning...
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