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Title of Journal: OPT REV

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Abbravation: Optical Review

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Optical Society of Japan

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DOI

10.1016/0032-3950(87)90375-3

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1349-9432

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A thin and compact compoundeye imaging system inc

Authors: Ryoichi Horisaki Yoshizumi Nakao Takashi Toyoda Keiichiro Kagawa Yasuo Masaki Jun Tanida
Publish Date: 2010/06/25
Volume: 16, Issue: 3, Pages: 241-246
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Abstract

A compact system of the thin observation module by bound optics TOMBO imager based on compoundeye imaging has been constructed to demonstrate its advantages over singleeye imaging systems such as thinner hardware To reconstruct a highresolution image from low resolution images captured by the compoundeye optics we propose an image restoration scheme based on the iterative backprojection algorithm with depth map estimated from the disparities on the captured image The scheme includes suppression of unitbyunit color shift caused by the offset microlenses and the color filters on the commercial image sensors and deblurring of defocus by geometrical optics using the depth map In the experiment threedimensional objects were captured by the TOMBO imager and reconstructed with the scheme After the processing the power spectrum of the captured image was improved by up to 19 dB and the power spectrum of the effect of the color shift was reduced by 7 dB

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