Characterizing vision systems

Details Characterizing vision systems Characterizing vision systems

2008-05-27

2011-11-29

Stafira, Michael P (Department: 2886)

Image analysis

Applications

Manufacturing or product inspection

Reexamination Certificate

active

08068660

ABSTRACT:
System and method for characterizing vision systems. A multi-dimensional condition space is provided, each dimension representing a respective condition axis, where each point in the condition space specifies a set of conditions under which a vision system may operate. An image is provided. The condition space is sampled according to a pseudo-random sequence, e.g., a low-discrepancy sequence, to determine a plurality of test conditions usable to characterize the vision system, where each test condition corresponds to a respective set of conditions. A plurality of test images corresponding to the plurality of test conditions are generated based on the image, e.g., by applying image processing functions to the image that simulate the test conditions. A vision inspection is performed on each of the plurality of test images to generate respective test results, and the test results are analyzed to determine conditions under which the vision system operates correctly.

REFERENCES:
patent: 2003/0007690 (2003-01-01), Rajagopal et al.
patent: 2003/0179922 (2003-09-01), Peters et al.
patent: 2006/0204121 (2006-09-01), Bryll
patent: 2007/0146491 (2007-06-01), Tremblay et al.

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