Cathy-Ann Radix

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This paper presents a novel method for colour image segmentation derived from the mean shift theorem. When applied to colour image segmentation tasks, the path assigned mean shift algorithm performed 1.5 to 5 times faster than existing fast mean shift methods such as the hierarchical 'neighbourhood consistency' FMS Method proposed by Zhang with comparable(More)
The Quadrant Based Method (QUADBAM) for Global Motion Estimation introduced here exploits local motion fields. QUADBAM produces similar results to other global motion estimation methods with a lower algorithmic complexity. Two applications of QUADBAM in the treatment of broadcast cricket highlights are presented. An automated highlight detector for(More)
Densely-deployed embedded sensor networks are susceptible to constraints associated with contention across a shared transport medium. To improve channel reliability, as well as average power consumption across the system, densely-deployed embedded sensor networks often leverage node-based neighbourhood data aggregation strategies. The tradeoff is that(More)
One challenge faced in the engineering education, is the need to imbue both technical competence and critical thinking skills within the bounds of academic program delivery. While technical competence can be built and assessed using structured and/or quantitative exercises, critical thinking is a skill that is both difficult to cultivate and to assess.(More)
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