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Region-of-Activity Based Coding for Transform Domain DVC

Badem, MB, Fernando, WAC, Weerakkody, WARJ, Yasakethu, SLP and Kondoz, AM (2008) Region-of-Activity Based Coding for Transform Domain DVC In: 4th ICIAFS, 2008-12-12 - 2008-12-14, Colombo, Sri Lanka.

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Distributed video coding (DVC) has been widely acclaimed as an emerging video coding technology with immense potential for use in video surveillance systems due to its flexibility for designing extremely low complex video encoders. In this paper, we propose a novel modified framework for the DVC codec considering a region-of-activity based coding algorithm. The frames will be split into a sequence of regions based on the activity level that reflect the error distribution in the side information. The macro blocks will be re-ordered to concatenate the unevenly distributed errors and form new blocks for turbo coding to improve the efficiency of the puncturing process. The performance of the proposed technique is verified for three standard test video sequences and up to 21% bit rate saving is demonstrated.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions : Surrey research (other units)
Authors :
Badem, MB
Weerakkody, WARJ
Date : 12 December 2008
DOI : 10.1109/ICIAFS.2008.4783946
Contributors :
Uncontrolled Keywords : Wyner-Ziv coding, distributed video coding, transform domain
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:09
Last Modified : 23 Jan 2020 16:32

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