Dynamic modulation transfer function of a retina-like sensor

作     者：Wang, Fan Cao, Fengmei Bai, Tingzhu Hao, Qun 

作者机构：Beijing Inst Technol Key Lab Photoelect Imaging Technol & Syst Minist Educ China Sch Optoelect Beijing 100081 Peoples R China 

出 版 物：《APPLIED OPTICS》 (应用光学)

年 卷 期：2014年第53卷第9期

页      面：1947-1953页

核心收录：

学科分类：070207[理学-光学] 07[理学] 08[工学] 0803[工学-光学工程] 0702[理学-物理学] 

基　　金：Ph.D. Programs Foundation of Ministry of Education of China 9140A02030512BQ01007 

主　　题：TRANSFER FUNCTIONS correlation coefficient (r) Sensors dynamic modulation distributed management task force modulation transfer function Retina 

摘      要：In this paper, we propose a method to deduce the dynamic modulation transfer function (DMTF) of a space-variant sampling retina-like sensor and demonstrate its utilization in the forward motion imaging process. With the analysis of sampling and the motion imaging property of the sensor, DMTF has been derived. Next, the performance of DMTF between a retina-like sensor and a rectilinear sensor is compared, and the results show that the degradation of DMTF in forward motion is less than that of a rectilinear sensor. Then, the output images are obtained through simulation based on DMTF, and they are compared with that obtained from a CMOS camera with the same forward motion conditions. The Pearson correlation coefficients between the two kinds of images are all larger than 0.85. Thus, the effectiveness of DMTF is shown. (C) 2014 Optical Society of America