Hardware development of the Yorick series of active vision systems
Sharkey, P. M., Murray, D. W., McLauchlan, P. F. and Brooker, J. P. (1998) Hardware development of the Yorick series of active vision systems. Microprocessors and Microsystems , 21 (6). pp. 363-375. ISSN 0141-9331
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To link to this article DOI: 10.1016/S0141-9331(98)00051-9
This paper presents a review of the design and development of the Yorick series of active stereo camera platforms and their integration into real-time closed loop active vision systems, whose applications span surveillance, navigation of autonomously guided vehicles (AGVs), and inspection tasks for teleoperation, including immersive visual telepresence. The mechatronic approach adopted for the design of the first system, including head/eye platform, local controller, vision engine, gaze controller and system integration, proved to be very successful. The design team comprised researchers with experience in parallel computing, robot control, mechanical design and machine vision. The success of the project has generated sufficient interest to sanction a number of revisions of the original head design, including the design of a lightweight compact head for use on a robot arm, and the further development of a robot head to look specifically at increasing visual resolution for visual telepresence. The controller and vision processing engines have also been upgraded, to include the control of robot heads on mobile platforms and control of vergence through tracking of an operator's eye movement. This paper details the hardware development of the different active vision/telepresence systems.
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