Application of machine vision technology to identification of oestrous in the Julia Creek dunnart (Sminthopsis douglasi)

Bjursell, A. and Dunn, M. and Withers, K. and Senior, G. and Lundie-Jenkins, G. and Billingsley, J. (2005) Application of machine vision technology to identification of oestrous in the Julia Creek dunnart (Sminthopsis douglasi). In: 22nd Annual Conference of the Australian and New Zealand Society for Comparative Physiology and Biochemistry (ANZSCPB 2005), 09-11 Dec 2005, Dunedin, New Zealand.


Identification of oestrous is an important step in the captive breeding of the Julia Creek dunnart (Sminthopsis
douglasi) at David Fleay Wildlife Park (Qld). This is necessary in order to prevent injury to the male and/or the
female of this endangered carnivorous marsupial. Oestrous in S. douglasi is currently identified by the presence of
cornified cells in the urine. However, oestrous has recently been identified in S. douglasi by behavioural
observations. This research aims to identify and quantify reproductive behaviour through the application of
machine vision technology, thus reducing the amount of human observation required in the identification of
oestrous in this and similar species. Images from two adjoining cages containing a male and a female S. douglasi
were captured on video via a CCD camera. The cages were illuminated by an array of infrared light-emitting
diodes. Contrast between the animals and the background in successive frames of the video stream enables the
location of the dunnart in each image to be defined. This location is recorded in terms of vertical and horizontal
position based on a local coordinate system. This stream of coordinate data can be transformed into behavioural
information. Behaviours useful in identifying oestrous have been validated in a previous study.

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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: Abstract 79. Conference publication consists of only the abstracts of papers presented at the conference.
Faculty / Department / School: Historic - Faculty of Sciences - Department of Biological and Physical Sciences
Date Deposited: 11 Oct 2007 00:28
Last Modified: 11 Jan 2012 02:39
Uncontrolled Keywords: oestrous; Julia Creek dunnart

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