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13 October 2006 The design of active vision system for variable view imaging of micro objects
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Proceedings Volume 6376, Optomechatronic Micro/Nano Devices and Components II; 637608 (2006)
Event: Optics East 2006, 2006, Boston, Massachusetts, United States
Insufficient vision information such as occlusion and low resolvability is one of the important issues that limit the micromanipulation and microassembly. In this paper, we proposed the active vision system that can interact with the environment by changing optical system parameters such as spatial position, orientation and focus plane. As an optomechatronic system, the proposed system integrates a pair of wedge prism, a scanning mirror, a deformable mirror and off-the-shelf optics. The compact double wedge prisms can change the view direction, however the aberration induced by wedge prisms can be corrected by deformable mirror. Combining with a scanning mirror, active optical system can observe the micro object in different view. Owing to the orthogonality of the Zernike polynomials, the proposed deformable mirror control algorithm can correct the aberration in each Zernike mode instead of controlling each actuator, which simplifies the control issue of deformable mirror. The preliminary experiment setup was built, and initial experiments were demonstrated to investigate the validity of the concept of the proposed system.
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Xiaodong Tao, Deokhwa Hong, and Hyungsuck Cho "The design of active vision system for variable view imaging of micro objects", Proc. SPIE 6376, Optomechatronic Micro/Nano Devices and Components II, 637608 (13 October 2006);

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