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Non-invasive lizard identification using signature curves

By Jimmy Siu Li, Damian Tohl, Sharmil Randhawa, Leili Shamimi and Christopher Michael Bull


A novel non-invasive method is proposed to help identify the endangered Pygmy Bluetongue Lizard. This would be preferable to the commonly used, invasive, toe-clipping method, which could be unreliable if the lizard was to lose a toe or foot naturally. Each lizard has a unique and permanent scale pattern which can be used to identify individual lizards. The proposed method involves a novel technique to derive a signature curve from the Hough transform output of the lizard scale pattern such that the signature curve is scale and shift invariant. It has been found that a lizard can be successfully identified by comparing its signature curve with those signature curves of all registered lizards stored in a database

Topics: Lizard identification, Hough transform, Signature curve, Non-invasive
Publisher: Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing)
Year: 2009
OAI identifier: oai:dspace.flinders.edu.au:2328/25734

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