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Computational Approach to Color Overlapped Integral Imaging for Depth Estimation
Lee, Eunsung,Lim, Joohyun,Kim, Sangjin,Har, Donghwan,Paik, Joonki The Institute of Electronics and Information Engin 2014 IEIE Transactions on Smart Processing & Computing Vol.3 No.6
A computational approach to depth estimations using a color over lapped integral imaging system is presented. The proposed imaging system acquires multiple color images simultaneously through a single lens with an array of multiple pinholes that are distributed around the optical axis. This paper proposes a computational model of the relationship between the real distance of an object and the disparity among different color images. The proposed model can serve as a computational basis of a single camera-based depth estimation.
조두희 ( Cho Do Hee ),하동환 ( Har Donghwan ) 현대사진영상학회 2017 현대사진영상학회논문집 Vol.20 No.2
This study uses infrared-polarization technology to read questioned documents that use two or more writing instruments. In order to maximize the effect of polarization phenomenon, we propose a new shooting method. This method adjusts the incident angle of the light source to +55° and the camera angle to -55° based on the target. As a result of the experiment, we could distinguish the writing instrument `s response more finely than the conventional method.