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Method and apparatus for detecting and/or tracking one or more colour regions in an image or sequence of images

UNSPECIFIED Method and apparatus for detecting and/or tracking one or more colour regions in an image or sequence of images 7236629.

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Abstract

Drawing Description Claims Patent number: 7236629 Filing date: 8 Apr 2003 Issue date: 26 Jun 2007 Application number: 10/408,316 A method of detecting a region having predetermined colour characteristics in an image comprises transforming colour values of pixels in the image from a first colour space to a second colour space, using the colour values in the second colour space to determine probability values expressing a match between pixels and the predetermined colour characteristics, where the probability values range over a multiplicity of values, using said probability values to identify pixels at least approximating to said predetermined colour characteristics, grouping pixels which at least approximate to said predetermined colour characteristics, and extracting information about each group, wherein pixels are weighted according to the respective multiplicity of probability values, and the weightings are used when grouping the pixels and/or when extracting information about a group.

Item Type: Patent
Authors :
NameEmailORCID
Bober, MZm.bober@surrey.ac.ukUNSPECIFIED
Cooper, JUNSPECIFIEDUNSPECIFIED
Paschalakis, SUNSPECIFIEDUNSPECIFIED
Identification Number : 7236629
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:14
Last Modified : 17 May 2017 15:02
URI: http://epubs.surrey.ac.uk/id/eprint/834571

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