Enhanced stereo imaging-based metrology

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United States of America Patent

PATENT NO 9454816
APP PUB NO 20150110350A1
SERIAL NO

14520433

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Abstract

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A solution for evaluating an object using physical three-dimensional locations of the various points on the object derived from image data concurrently acquired by two or more cameras (e.g., stereo image data) is provided. Image data concurrently acquired by at least two cameras at each of multiple instants is processed to identify one or more points of an object visible in the image data. A physical three-dimensional location of each such point can be calculated at each instant using the corresponding image data. Additionally, a physical three-dimensional location of one or more points of the object visible only in the image data acquired by one camera can be calculated for each of the three different instants using the image data in which the corresponding point is visible and the physical three-dimensional location of one or more of the points visible in the image data acquired by at least two cameras.

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Patent Owner(s)

  • INTERNATIONAL ELECTRONIC MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gamache, Ronald W East Greenbush, US 27 891
Mian, Zahid F Loudonville, US 85 2963
Spoor, Ryk E Troy, US 19 698

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