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In this paper, we developed a visual feedback system that controls a micromanipulator so that a needle head may reach a target. The system consists of a stereoscopic microscope, a micromanipulator, two CCD cameras and a personal computer. The position of the target and the needle head under stereoscopic microscope are measured three dimensionally by using two CCD cameras which are set to eyepieces of the microscope. It is necessary that the image processing employed be fast so that the micromanipulation can be carried out at a realistic rate. The image processing time for detecting the target and the needle head is greatly reduced by using image compression
CCD image sensors
stereo image processing
Digital Object Identifier: 10.1109/IMTC.1999.776770
Published with permission from the copyright holder. this is the institute's copy, as published in Instrumentation and Measurement Technology Conference, 1999. IMTC/99. Proceedings of the 16th IEEE, 24-26 May 1999, Volume 1, Pages 327-331 vol.1.
Copyright © 1999 IEEE. All rights reserved.
Instrumentation and Measurement Technology Conference