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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 9, Iss. 5 — Apr. 29, 2014

Dynamic modulation transfer function of a retina-like sensor

Fan Wang, Fengmei Cao, Tingzhu Bai, and Qun Hao  »View Author Affiliations


Applied Optics, Vol. 53, Issue 9, pp. 1947-1953 (2014)
http://dx.doi.org/10.1364/AO.53.001947


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Abstract

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.

© 2014 Optical Society of America

OCIS Codes
(110.4100) Imaging systems : Modulation transfer function
(170.0110) Medical optics and biotechnology : Imaging systems
(330.4150) Vision, color, and visual optics : Motion detection
(250.0040) Optoelectronics : Detectors

ToC Category:
Imaging Systems

History
Original Manuscript: December 18, 2013
Revised Manuscript: February 11, 2014
Manuscript Accepted: February 14, 2014
Published: March 19, 2014

Virtual Issues
Vol. 9, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Fan Wang, Fengmei Cao, Tingzhu Bai, and Qun Hao, "Dynamic modulation transfer function of a retina-like sensor," Appl. Opt. 53, 1947-1953 (2014)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-53-9-1947

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