C. Sean Hundtofte

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We present the results of using Hidden Markov Models (HMMs) for automatic segmentation and recognition of user motions. Previous work on recognition of user intent with man/machine interfaces has used task-level HMMs with a single hidden state for each sub-task. In contrast, many speech recognition systems employ HMMs at the phoneme level, and use a network(More)
Use of active, optical tracking Surgical Guidance systems provides line of sight problems to the surgeon. We plan to use a new magnetic system, 'Aurora' from Northern Digital Inc. (Canada) and Mednetix AG (Switzerland), in intra-operative fluoroscopy to develop an integrated system for surgical guidance. Here we outline the modules developed for use with(More)
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