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Joint source/channel coding for prioritized wireless transmission of multiple 3-D regions of interest in 3-D medical imaging data
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Sanchez, V (2013) Joint source/channel coding for prioritized wireless transmission of multiple 3-D regions of interest in 3-D medical imaging data. IEEE Transactions on Biomedical Engineering, Volume 60 (Number 2). 397-405 . doi:10.1109/TBME.2012.2228000 ISSN 0018-9294.
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Official URL: http://dx.doi.org/10.1109/TBME.2012.2228000
Abstract
This paper presents a 3-D medical image coding method featuring two major improvements to previous work on 3-D region of interest (RoI) coding for telemedicine applications. Namely, 1) a data prioritization scheme that allows coding of multiple 3-D-RoIs; and 2) a joint/source channel coding scheme that allows prioritized transmission of multiple 3-D-RoIs over wireless channels. The method, which is based on the 3-D integer wavelet transform and embedded block coding with optimized truncation with 3-D context modeling, generates scalable and error-resilient bit streams with 3-D-RoI decoding capabilities. Coding of multiple 3-D-RoIs is attained by prioritizing the wavelet-transformed data according to a Gaussian mixed distribution, whereas error resiliency is attained by employing the error correction capabilities of rate-compatible punctured turbo codes. The robustness of the proposed method is evaluated for transmission of real 3-D medical images over Rayleigh-fading channels with a priori knowledge of the channel condition. Evaluation results show that the proposed coding method provides a superior performance compared to equal error protection and unequal error protection techniques.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||||||||
Journal or Publication Title: | IEEE Transactions on Biomedical Engineering | ||||||||||
Publisher: | IEEE | ||||||||||
ISSN: | 0018-9294 | ||||||||||
Official Date: | 16 January 2013 | ||||||||||
Dates: |
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Volume: | Volume 60 | ||||||||||
Number: | Number 2 | ||||||||||
Page Range: | 397-405 | ||||||||||
DOI: | 10.1109/TBME.2012.2228000 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access |
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