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Efficient Viewer-Centric Depth Adjustment Based on Virtual Fronto-Parallel Planar Projection in Stereo 3D Images

Authors
Park, HanjeLee, HoonjaeSull, Sanghoon
Issue Date
2월-2014
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
3D stereo; depth adjustment/control; disocclusion; disparity; parallax; shape distortion; viewer-centric; virtual fronto-parallel planar projection
Citation
IEEE TRANSACTIONS ON MULTIMEDIA, v.16, no.2, pp.326 - 336
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON MULTIMEDIA
Volume
16
Number
2
Start Page
326
End Page
336
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/99339
DOI
10.1109/TMM.2013.2286567
ISSN
1520-9210
Abstract
This paper presents an efficient method for adjusting the 3D depth of an object including as much as a whole scene in stereo 3D images by utilizing a virtual fronto-parallel planar projection in the 3D space perceived by a viewer. The proposed method just needs to establish object correspondence instead of the accurate estimation of the disparity field or point correspondence. We simulate the depth adjustment of a 3D point perceived by a viewer through a corresponding pair of points on the stereo 3D images by moving the virtual fronto-parallel plane on which the left and right points are projected. We show that the resulting transformation of image coordinates of the points can be simply expressed by three values of a scale factor and two translations that depend on one parameter for the depth adjustment. The experimental results demonstrate the feasibility of the proposed approach that yields less visual fatigue and smaller 3D shape distortion than the conventional parallax adjustment method. The overall procedure can be efficiently applied to each frame of a stereo video without causing any artifact.
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Sull, Sang hoon
공과대학 (전기전자공학부)
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