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8 October 2007 Flexible depth of field extension and its application to multiple micro objects recognition
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Proceedings Volume 6718, Optomechatronic Computer-Vision Systems II; 671803 (2007) https://doi.org/10.1117/12.754539
Event: International Symposium on Optomechatronic Technologies, 2007, Lausanne, Switzerland
Abstract
Application of visual servoing in microassembly area is being developed but still limited by small depth of field of optical microscopes. There have been several research efforts to resolve this problem in robotics and optics area, but they are still insufficient to be directly applied. In this paper, the concept of flexible depth of field extension, which is to use an LC-SLM to alleviate the computational cost of the wave-front coding method and obtain the best image for a given defocus of the object, and how to implement the system are explained, and it is applied to a microassembly setup for target detection experiments. The results imply that a good microassembly strategy can be devised for fast and robust performance in micro world.
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Deokhwa Hong, Kangmin Park, and Hyungsuck Cho "Flexible depth of field extension and its application to multiple micro objects recognition", Proc. SPIE 6718, Optomechatronic Computer-Vision Systems II, 671803 (8 October 2007); https://doi.org/10.1117/12.754539
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