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In this paper, the variable view imaging system (VVIS) developed to offer flexibility in microscopic observation is applied to microassembly tasks to overcome several problems in normal imaging systems that hindered application of vision-guided micromanipulation techniques such as limited field of view (FOV) and fixed viewing direction. In three representative cases of microassembly, the parts are...
Vision technique used in automatic microassembly limits its application, due to several inherent problems such as occlusions and small field of view. However the microassembly often needs to detect micro parts with complex shape inside the wide field of view. To avoid this criticism, we proposed a view steering method using an active imaging system that enables adjustment of the view to keep targets...
Visually guided assembly of micro MEMS parts with high magnification is limited by small field of view (FOV). To overcome this problem, zoom lens system is usually adopted, which causes size change of the parts in the image space. Micro MEMS parts have several arbitrary planar shapes because of the fabrication process, so that contour to be described by control point can be suitable image feature...
Microassembly has become an important technique to fabricate micro devices with different materials, complex shapes, and incompatible processes. Vision-based microassembly is a promising technique for automated microassembly. However, conventional vision-based techniques in microassembly are limited by inherent problems such as a small depth-of-field (DOF) and a narrow field-of-view (FOV). Microassembly...
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