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4 January 2006 Reconfigurable 3D colour information acquisition system based on laser
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Proceedings Volume 5985, International Conference on Space Information Technology; 59852K (2006)
Event: International Conference on Space information Technology, 2005, Wuhan, China
The new reconfigurable 3D laser colour information acquisition system has been developed to overcome the problems of the former three-dimensional laser color scanner (3DLCS). The system basic theory of measurement and whole structure are introduced. The hardware system architecture based on FPGA parallel processor has been designed and its work principle has been discussed. The key algorithms of extracting central line of laser stripe, head contour and central colour line from video image are accomplished by FPGA processor, then these important information is sent into host computer through PCI interface which accomplish advanced image processing, 3D reconstruction and 3D modeling. The key algorithms are described too. The system can acquire 3D and colour information of object in real time and the 3D images are displayed promptly on the screen of host computer. Finally, the experimental results of system are shown. By adopting ASIC and master-slave system architecture, it enhances the speed of obtaining 3D information of object greatly and overcome the computational bottleneck. The system performance is improved and the devices are low cost. In addition, it can implement special function and has good security and is applicable to many cases.
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Haijun Lei, Dehua Li, Kun Liu, and Changshui Zhang "Reconfigurable 3D colour information acquisition system based on laser", Proc. SPIE 5985, International Conference on Space Information Technology, 59852K (4 January 2006); doi: 10.1117/12.657686;

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