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Appl. Sci. 2014, 4(2), 128-147; doi:10.3390/app4020128

Compressed Sensing-Based Distributed Image Compression

2,*  and 3
1 School of Engineering and Advanced Technology, Massey University, Palmerston North, New Zealand 2 School of Engineering and Advanced Technology, Massey University, Albany, Auckland, New Zealand 3 Asia-Pacific Broadcasting Union, Angkasapuri, Kuala Lumpur 50614, Malaysia
* Author to whom correspondence should be addressed.
Received: 7 October 2013 / Revised: 21 January 2014 / Accepted: 28 February 2014 / Published: 31 March 2014
(This article belongs to the Special Issue Digital Signal Processing and Engineering Applications)
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In this paper, a new distributed block-based image compression method based on the principles of compressed sensing (CS) is introduced. The coding and decoding processes are performed entirely in the CS measurement domain. Image blocks are classified into key and non-key blocks and encoded at different rates. The encoder makes use of a new adaptive block classification scheme that is based on the mean square error of the CS measurements between blocks. At the decoder, a simple, but effective, side information generation method is used for the decoding of the non-key blocks. Experimental results show that our coding scheme achieves better results than existing CS-based image coding methods.
Keywords: distributed image coding; compressed sensing distributed image coding; compressed sensing
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Baig, M.Y.; Lai, E.M.-K.; Punchihewa, A. Compressed Sensing-Based Distributed Image Compression. Appl. Sci. 2014, 4, 128-147.

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