Non-invasive lizard identification using signature curves

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 pat...

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Bibliographic Details
Main Authors: Li, J.S.J., Tohl, D., Randhawa, S., Shamimi, L., Bull, C.M.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive equalizers
Biology
Computer science
Digital images
Foot
Head
Histograms
Hough transform
Image edge detection
lizard identification
Mathematics
non-invasive
signature curve
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Summary: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.
ISSN:2159-3442
2159-3450
DOI:10.1109/TENCON.2009.5395852