An artificial compound eyes imaging system based on MEMS technology

Authors:
Si Di;Hui Lin;Ruxu Du
Affiliations:
Shenzhen Institute of Advanced Integration Technology, Chinese Academy of Sciences and the Chinese University of Hong Kong, Shenzhen, China;Shenzhen Institute of Advanced Integration Technology, Chinese Academy of Sciences and the Chinese University of Hong Kong, Shenzhen, China;Institute of Precision Engineering, the Chinese University of Hong Kong, Hong Kong
Venue:
ROBIO'09 Proceedings of the 2009 international conference on Robotics and biomimetics
Year:
2009

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Abstract

This paper introduces an artificial compound eyes imaging system with planar structure based on MEMS fabrication technology. Firstly, we used the photo-resist reflow method to fabricate a 9×9 microlens array on a planar glass substrate, as the lenses of the compound eyes. Its transverse size is 0.9 × 0.9 cm2 and thickness is about 0.7 mm. Then we built an imaging system where object images are captured by the microlens array using a CMOS camera. In the experiment, the imaging system is used to view a character "A". It is found that each microlens can image the character "A" effectively. As a result, a 9×9 multiple-image is captured in the CMOS camera. Finally, the object image is reconstructed from the multiple-image by digital process algorithm. The experimental results indicate that our system can effectively imitate the imaging mechanism of the compound eyes.