Scale robust feature-based identifiers for image identification

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United States of America Patent

PATENT NO 8831355
APP PUB NO 20110038545A1
SERIAL NO

12989362

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Abstract

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A method for deriving an image identifier comprises deriving a scale-space representation of an image, and processing the scale-space representation to detect a plurality of feature points having values that are maxima or minima. A representation is derived for a scale-dependent image region associated with one or more of the detected plurality of feature points. In an embodiment, the size of the image region is dependent on the scale associated with the corresponding feature point. An image identifier is derived using the representations derived for the scale-dependent image regions. The image identifiers may be used in a method for comparing images.

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Patent Owner(s)

  • MITSUBISHI ELECTRIC CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bober, Miroslaw Guildford, GB 53 985
Brasnett, Paul Surbiton, GB 30 191

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