H. Taichi Wang

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Computing motion on the basis of the time-varying image intensity is a difficult problem for both artificial and biological vision systems. We show how gradient models, a well known class of motion algorithms, can be implemented within the magnocellular pathway of the primate's visual system. Our cooperative algorithm computes optical flow in two steps. In(More)
Computing motion on the basis of the time-varying image intensity is a difficult problem for both artificial and biological vision systems. We will show how one well-known gradient-based computer algorithm for estimating visual motion can be implemented within the primate's visual system. This relaxation algorithm computes the optical flow field by(More)
The loss of a free flap is a feared complication for both the surgeon and the patient. Early recognition of vascular compromise has been shown to provide the best chance for flap salvage. The ideal monitoring technique for perioperative free flap ischemia would be noninvasive, continuous, and reliable. Visible light spectroscopy (VLS) was evaluated as a new(More)
The use of processed bone allograft to repair large osseous defects of the skull has been limited, given that it lacks the osteogenic cellularity and intrinsic vascular supply which are essential elements for successful graft healing and, at the same time, the areas to be targeted through tissue-engineering applications. In this study, we investigated the(More)
We demonstrate a multiscale adaptive network model of motion computation in primate area MT. The model consists of two stages: (l) local velocities are measured across multiple spatio-temporal channels, and (2) the optical flow field is computed by a network of direction-selective neurons at multiple spatial resolutions. This model embeds the computational(More)
I n 2009, Rod Rohrich in his exiting presidential meeting of American Council of Academic Plastic Surgeons charged the organization with development of a curriculum. That curriculum was defined as a comprehensive , consensually derived, universally adopted resident education program with an accompanying and appropriate vehicle for implementation. 1 Driven(More)
BACKGROUND Deep inferior epigastric artery perforator (DIEP) flap breast reconstruction requires complex microsurgical skills. Herein, we examine whether DIEP flap breast reconstruction can be performed safely without microsurgical fellowship training. METHODS A total of 28 patients and 34 DIEP flaps were included in the study. We reviewed the medical(More)
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