NDLI: A method to reduce the complexity of conditional replenishment algorithm for hybrid 3DTV with mixed resolution

Content Provider	Springer Nature Link
Author	Jung, Kyeong Hoon Kim, Sung Hoon Kang, Dong Wook
Copyright Year	2016
Abstract	SC-MMH (Service Compatible 3DTV using Main and Mobile Hybrid) is a kind of hybrid 3DTV system where the resolutions of stereoscopic views are not identical and has become one of ATSC standards for terrestrial 3DTV. And CRA (Conditional Replenishment Algorithm) has been proposed to enhance the visual quality of this asymmetrical hybrid 3DTV with mixed resolution. CRA uses a variable-sized square block as a PU (Processing Unit) and the quad-tree is employed to represent the overall hierarchical structure. The largest and smallest sizes of PU of quad-tree affect the RD (Rate-Distortion) performance as well as the computational complexity of CRA. In this paper, we examine the effect of quad-tree levels on the BD-PSNR and the processing time. And we suggest the proper set of top and bottom levels which reduces the complexity of CRA with a negligible degradation of quality. Simulation for the stereoscopic sequences of HD resolution showed that the processing time of CRA can be considerably reduced to 70 % but the decrease of BD-PSNR is only 0.02 dB by employing of the combination of (7, 2) levels instead of conventional combination of (8, 0) levels. And the processing time could be more reduced to 60 % for UHD sequences when we used the combination of (7, 3) levels.
Starting Page	11273
Ending Page	11284
Page Count	12
File Format	PDF
ISSN	13807501
Journal	Multimedia Tools and Applications
Volume Number	76
Issue Number	9
e-ISSN	15737721
Language	English
Publisher	Springer US
Publisher Date	2016-02-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hybrid 3DTV CRA (Conditional Replenishment Algorithm) VEI (Video Enhancement Information) Quad-tree Inter-view vector Multimedia Information Systems Computer Communication Networks Data Structures, Cryptology and Information Theory Special Purpose and Application-Based Systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software Media Technology

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