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15 February 2012 Time-to-impact sensors in robot vision applications based on the near-sensor image processing concept
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Proceedings Volume 8298, Sensors, Cameras, and Systems for Industrial and Scientific Applications XIII; 829808 (2012) https://doi.org/10.1117/12.905823
Event: IS&T/SPIE Electronic Imaging, 2012, Burlingame, California, United States
Abstract
Based on the Near-Sensor Image Processing (NSIP) concept and recent results concerning optical flow and Time-to- Impact (TTI) computation with this architecture, we show how these results can be used and extended for robot vision applications. The first case involves estimation of the tilt of an approaching planar surface. The second case concerns the use of two NSIP cameras to estimate absolute distance and speed similar to a stereo-matching system but without the need to do image correlations. Going back to a one-camera system, the third case deals with the problem to estimate the shape of the approaching surface. It is shown that the previously developed TTI method not only gives a very compact solution with respect to hardware complexity, but also surprisingly high performance.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anders Åström and Robert Forchheimer "Time-to-impact sensors in robot vision applications based on the near-sensor image processing concept", Proc. SPIE 8298, Sensors, Cameras, and Systems for Industrial and Scientific Applications XIII, 829808 (15 February 2012); https://doi.org/10.1117/12.905823
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