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Near real-time stereo range detection using a pipeline architecture

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2 Author(s)
Kayaalp, A.E. ; Gen. Dynamics Land Syst. Div., Artificial Intelligence Lab., Warren, MI, USA ; Eckman, J.L.

A pipeline architecture that performs near-real-time passive range detection using correlation-based binocular stereo vision is presented. A prototype system based on Datacube image processing boards running on a Sun-4 host has been configured specifically for this application. Using a disparity range of 64 pixels, the system matches 256×256 pixel stereo image pairs in approximately one second. Currently the system processes gray-scale images; modifications for processing color images at the same speed are underway. As the stereo system is running, the range information generated by it is processed and displayed on a high-resolution color monitor in various forms, using a TAAC-1 application accelerator board attached to the Sun-4 host system. The stereo matching algorithm, its hardware implementation, and show results are presented. In addition, extensions to the system for processing color images and research into future directions are discussed

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Systems, Man and Cybernetics, IEEE Transactions on  (Volume:20 ,  Issue: 6 )