SCALE ROBUST FEATURE-BASED IDENTIFIERS FOR IMAGE IDENTIFICATION

UNSPECIFIED SCALE ROBUST FEATURE-BASED IDENTIFIERS FOR IMAGE IDENTIFICATION .

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Abstract

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.

Item Type:	Patent
Divisions :	Surrey research (other units)
Authors :	Name Email ORCID Bober, MZ m.bober@surrey.ac.uk Brasnett, P
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 12:14
Last Modified :	23 Jan 2020 11:01
URI:	http://epubs.surrey.ac.uk/id/eprint/834573

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