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JACIII Vol.19 No.3 pp. 474-478
doi: 10.20965/jaciii.2015.p0474
(2015)

Paper:

Multiple Description Based on Fractal

Jie Yang

School of Science, Beijing Information Science and Technology University
Xiaoying DongLu No.2, Qinghe, HaiDian District, Beijing 100192, China

Received:
March 11, 2014
Accepted:
March 25, 2015
Published:
May 20, 2015
Keywords:
fractal, multiple description, PSNR, IFS, redundancy
Abstract

In this paper, I design and develop a multiple description (MD) method which is based on fractal image coding procedure. In the encoder of MD, the IFS generated mappings are separated into different parts and encoded into different descriptions so that, on each description, a subset of these mappings can be involved. Meanwhile, a desired amount of redundancy is inserted into each description such that a satisfactory reconstruction quality will be ensured. In MD decoder, the redundancy and the mappings in one description are exploited to recover the missed mappings in the other description when only one description is received. Compared with the referenced methods, the the proposed MD coder can achieve better and more robust performance under various packet loss ratio circumstance.

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Last updated on Aug. 19, 2017