Distributed multiview video coding with 3D-DCT transform domain Wyner-Ziv codec Online publication date: Sun, 26-Jun-2011
by Jonathan K.K. Loo, Zhuo Xue, Enrico Masala, Amanda P.Y. Yip, Dhananjay Singh
International Journal of Multimedia Intelligence and Security (IJMIS), Vol. 2, No. 1, 2011
Abstract: The need for efficient multiview video coding schemes is expected to strongly increase in the near future. The distributed multiview video coding (DMVC) approach seems very promising since it can achieve good compression efficiency while keeping the complexity low. The main contribution of this paper is to investigate how to improve the classic DMVC framework based on transform domain WZ video coding (TDWZ) by means of the introduction of the 3D-DCT. The main advantage of this combination resides in the limited computational complexity of the overall framework, which however does not penalise the compression performance since both the spatial and the temporal domain correlation can be exploited due to the use of the 3D-DCT. The framework is designed in a flexible way so that it can handle both traditional and residual-frame-based WZ coding. The simulation results confirm the validity of the proposed framework in terms of video quality improvements, with gains up to 4.4 dB PSNR compared to a pixel domain WZ technique, and up to 0.6 dB PSNR compared to a 2D-DCT-based one.
Online publication date: Sun, 26-Jun-2011
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Multimedia Intelligence and Security (IJMIS):
Login with your Inderscience username and password:
Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.
If you still need assistance, please email email@example.com