Stewart Lang

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A practical color autostereoscopic display has been developed at Cambridge, and has been in operation since 1994. It provides six view directions at half VGA resolution (640 × 240 pixels) of 24-bit color at a luminance of 100 cd/m2. Each individual view direction is refreshed at standard television rates, so the display is capable of full motion animation(More)
Page 1 A 50" time-multiplexed autostereoscopic display Neil A. Dodgson, John R. Moore, Stewart R. Lang, Graham Martin, Peter Canepa Computer Laboratory, University of Cambridge, Pembroke Street, Cambridge, UK CB2 3QG JMEC, 17 Kings Grove, Barton, Cambridge, UK CB3 7AZ ASD Systems, 17 Latham Road, Cambridge, UK CB2 2EG Litton Guidance & Control Systems, 5500(More)
Object detection and recognition still pose a major challenge for computer vision systems. The Viola-Jones framework is a popular means of building classifiers that can perform these tasks effectively and efficiently. Viola-Jones draws upon a set of simple, Haar-like image features at all scales and positions. As this set grows rapidly with image size, it(More)
The method is based on a simple prediction and correction sequence applied to the position of a tracking box, according to which arm or side of the box has received a light pen hit. The box pattern and method has a number of advantages. When the pen is stationary above the box, which is square and marginally larger than the field of view of the pen, then(More)
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