Browsing by Author "Forbes, Keith"

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Calibration, recognition, and shape from silhouettes of stones

Author: Forbes, Keith Date: 2007 Multi-view shape-from-silhouette systems are increasingly used for analysing stones. This thesis presents methods to estimate stone shape and to recognise individual stones from their silhouettes. Calibration of two image capture setups is ... Read more
Visual hulls from single uncalibrated snapshots using two planar mirrors

Author: Forbes, Keith ; Voigt, Anthon ; Bodika, Ndimi Date: 2004 Two mirrors are used to create five views of an object: a view onto the object, two reflections and two reflections of reflections. The five views are captured in a single snapshot. Epipolar geometry of the object’s five silhouettes is ... Read more
Volume estimation of fruit from digital profile images

Author: Forbes, Keith Date: 2000 This dissertation investigates the feasibility of using the same digital profile images of fruit that are used in commercial packing houses for colour sorting and blemish detection purposes to estimate the volumes of the corresponding individual ... Read more

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