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The optic nerve head is that region of the retina where nerve fibres and blood vessels pass through the sclera. It is sensitive to changes associated with glaucoma that can occur without other symptoms. Diabetes can also be the cause of changes in the appearance of the retina. The changes from the normal appearance can be diagnostic of the diseases,(More)
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The work describes an automated method of tracking dynamic ultrasound images using a normalized cross-correlation algorithm, applied to the patellar and gastrocnemius tendon. Displacement was examined during active and passive tendon excursions using B-mode ultrasonography. In the passive test where two regions of interest (2-ROI) were tracked, the(More)
There is an increasingly pressing need to develop document analysis methods that are able to cope with images of documents containing printed regions of complex shapes. Contrary to the bounding-box representation used in most past page segmentation and classification approaches which assume rectangular regions, there is a need for a more flexible(More)
Intelligent agent systems have been the subject of intensive research over the past few years; they comprise one of the most promising computing approaches ever, able to address issues that require abstract modelling and higher level reasoning. Virtual environments, on the other hand, offer the ideal means to produce simulations of the real world for(More)
PURPOSE Characteristics of localized tendon strain in vivo are largely unknown. The present study examines local tendon strain between the deep, middle, and surface structures at the proximal and distal aspects of the patellar tendon during ramped isometric contractions. METHODS Male subjects (age 28.0 ± 6.3 yr) were examined for patellar tendon excursion(More)
Intelligent multi-agent systems are currently used for a variety of purposes, both in research and for real-world applications. One of their most interesting, yet not fully explored uses, is as frameworks to support computer-based simulations of virtual worlds inhabited by lifelike entities, that is, intelligent virtual environments, for purposes of(More)