Design and implementation of a retina-like imaging system based on non-uniform lens array

Yue Liu; Yong Song; Qun Hao; Tianle Tan; Chaozhen Liu; Zhuohuang Zhang

doi:10.1117/12.2071174

20 November 2014 Design and implementation of a retina-like imaging system based on non-uniform lens array

Yue Liu, Yong Song, Qun Hao, Tianle Tan, Chaozhen Liu, Zhuohuang Zhang

Proceedings Volume 9300, International Symposium on Optoelectronic Technology and Application 2014: Infrared Technology and Applications; 93000Z (2014) https://doi.org/10.1117/12.2071174
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

Retina-like imaging system is an imaging system with space-variant resolution similar to the photoreceptor distribution of primate retina. In this paper, the design and implementation of the retina-like imaging system based on non-uniform lens array has been introduced. Firstly, the mathematical model of the non-uniform lens array is deduced. Secondly, the hardware design of the proposed system is discussed in detail, which includes the photodetectors array, current-voltage conversion circuit, ratio normalization circuit and A/D converter circuit, etc. Furthermore, the design of the corresponding software is also discussed. Finally, the corresponding experiments have been carried out. Our results show that the developed system has the characteristic of rotation and scaling invariance property, which will help to result in a new retina-like image sensor with the characteristics of high speed, high resolution, high sensitivity and big planar array, etc.

Citation Download Citation

Yue Liu, Yong Song, Qun Hao, Tianle Tan, Chaozhen Liu, and Zhuohuang Zhang "Design and implementation of a retina-like imaging system based on non-uniform lens array", Proc. SPIE 9300, International Symposium on Optoelectronic Technology and Application 2014: Infrared Technology and Applications, 93000Z (20 November 2014); https://doi.org/10.1117/12.2071174

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