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Reduced Reference Quality Metric for Synthesized Virtual Views in 3DTV

Le, Thanh Ha and Vuong, Tung Long and Dinh, Trieu Duong and Jung, Seung-Won (2016) Reduced Reference Quality Metric for Synthesized Virtual Views in 3DTV. ETRI Journal, 38 (6). pp. 1114-1123. ISSN 1225-6463

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Multi-view video plus depth (MVD) has been widely used owing to its effectiveness in three-dimensional data representation. Using MVD, color videos with only a limited number of real viewpoints are compressed and transmitted along with captured or estimated depth videos. Because the synthesized views are generated from decoded real views, their original reference views do not exist at either the transmitter or receiver. Therefore, it is challenging to define an efficient metric to evaluate the quality of synthesized images. We propose a novel metric—the reduced-reference quality metric. First, the effects of depth distortion on the quality of synthesized images are analyzed. We then employ the high correlation between the local depth distortions and local color characteristics of the decoded depth and color images, respectively, to achieve an efficient depth quality metric for each real view. Finally, the objective quality metric of the synthesized views is obtained by combining all the depth quality metrics obtained from the decoded real views. The experimental results show that the proposed quality metric correlates very well with full reference image and video quality metrics.

Item Type: Article
Subjects: Electronics and Communications > Electronics and Computer Engineering
ISI-indexed journals
Divisions: Faculty of Information Technology (FIT)
Depositing User: Lê Thanh Hà
Date Deposited: 03 Dec 2016 07:01
Last Modified: 03 Dec 2016 07:01

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