Progressive diversity allocation for progressive transmission of spiht packets in erasure channels

Kuen-Tsair Lay; Lee-Jyi Wang

doi:10.1117/12.2010075

14 March 2013 Progressive diversity allocation for progressive transmission of SPIHT packets in erasure channels

Kuen-Tsair Lay, Lee-Jyi Wang

Proceedings Volume 8768, International Conference on Graphic and Image Processing (ICGIP 2012); 87687G (2013) https://doi.org/10.1117/12.2010075
Event: 2012 International Conference on Graphic and Image Processing, 2012, Singapore, Singapore

Abstract

The SPIHT (set partitioning in hierarchical trees) algorithm, which works with the aid of the discrete wavelet transform (DWT), is one of the most renowned techniques for image compression. One problem with SPIHT image coding, especially when image transmission is involved, is that even just as few as one error in the embedded code sequence can render the decoded image completely unrecognizable. In this paper, we propose a scheme in which an SPIHT code sequence is packetized into two types: CP (critical packet) and RP (refinement packet). Then, we address the transmission of those SPIHT packets over erasure channels. The basic idea is to provide unequal error protection (UEP) to those packets by diversity (i.e., repeated transmissions) so that, at the receiver, the decoded image quality (measured in the expected SNR, signal-to-noise-ratio) is as good as possible. A diversity allocation (DA) algorithm, referred to as progressive diversity allocation (PDA), is proposed. It works in a fashion and is naturally compatible with the progressive transmission of SPIHT-encoded images. Experiments show that the PDA scheme produces good results, nearly as good as achieved by the method of full search.

Citation Download Citation

Kuen-Tsair Lay and Lee-Jyi Wang "Progressive diversity allocation for progressive transmission of SPIHT packets in erasure channels", Proc. SPIE 8768, International Conference on Graphic and Image Processing (ICGIP 2012), 87687G (14 March 2013); https://doi.org/10.1117/12.2010075

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available