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http://dx.doi.org/10.6109/jkiice.2017.21.9.1711

A fast and accurate method of extracting lens array lattice in integral imaging  

Jeong, Hyeon-Ah (Department of Media Software, Sangmyung University)
Yoo, Hoon (Department of Media Software, Sangmyung University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.21, no.9, 2017 , pp. 1711-1717 More about this Journal
Abstract
In this paper, we propose a fast and accurate method of extracting lens array lattice in integral imaging by using an appropriate calibration pattern image and fast median filtering. In order to extract the lattice of a lens array, vertical and horizontal edge images are required. To extract edge images, the well-known previous method used separable median filters. However, this method is slow and difficult to determine the median filter size. In order to overcome this problem, we try to improve speed by calculating median value through binary counting method. In addition, we propose a calibration pattern image that detects edges well and improves the accuracy. Experimental results indicate that the proposed method is superior to the existing method in extracting the lattice of a lens array in integral imaging.
Keywords
Lattice extraction method; Lens array; Integral imaging; Elemental image;
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