Estimation of shift and small image distortion

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United States of America Patent

PATENT NO 9552641
APP PUB NO 20130142396A1
SERIAL NO

13690942

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Abstract

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Disclosed is method of measuring the displacement between a reference region of a reference image and a sample region of a sample image. The method spatially varies the reference region using a one-dimensional filter having complex kernel values, wherein a length (radius) and direction (angle or tangent segment) of the filter is a function of position in the reference region. The method then measures a displacement between the reference region and the sample region by comparing the spatially varied reference region and the sample region.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arnison, Matthew Raphael Umina Beach, AU 12 205
Chong, Eric Wai-Shing Carlingford, AU 10 369
Courtney, Allen Peter Mooney Mooney, AU 6 120
Fletcher, Peter Alleine Rozelle, AU 33 757
Kazama, Yoichi St Leonards, AU 10 86

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