Perceptually lossless medical image coding

A novel perceptually lossless coder is presented for the compression of medical images. Built on the JPEG 2000 coding framework, the heart of the proposed coder is a visual pruning function, embedded with an advanced human vision model to identify and to remove visually insignificant/irrelevant info...

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Bibliographic Details
Published in:IEEE transactions on medical imaging 2006-03, Vol.25 (3), p.335-344
Main Authors: Wu, D., Tan, D.M., Baird, M., DeCampo, J., White, C., Hong Ren Wu
Format: Article
Language:English
Subjects:
2-staged forced choice
Algorithms
Australia
Biomedical imaging
Coders
Coding
Computer Graphics
Computer science
Data Compression - methods
Degradation
Digital images
double blind testing
Image coding
Image Enhancement - methods
Image Interpretation, Computer-Assisted - methods
Image storage
Imaging, Three-Dimensional - methods
JPEG encoders-decoders
just-not-noticeable- difference
Lossless
Magnetic resonance imaging
Medical
Medical diagnostic imaging
medical image coding
Medical imaging
Pattern Recognition, Automated - methods
perceptually lossless image coding
Pruning
Radiography
Reproducibility of Results
Sensitivity and Specificity
Signal Processing, Computer-Assisted
vision model
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Description
Summary:A novel perceptually lossless coder is presented for the compression of medical images. Built on the JPEG 2000 coding framework, the heart of the proposed coder is a visual pruning function, embedded with an advanced human vision model to identify and to remove visually insignificant/irrelevant information. The proposed coder offers the advantages of simplicity and modularity with bit-stream compliance. Current results have shown superior compression ratio gains over that of its information lossless counterparts without any visible distortion. In addition, a case study consisting of 31 medical experts has shown that no perceivable difference of statistical significance exists between the original images and the images compressed by the proposed coder.
ISSN:0278-0062
1558-254X
DOI:10.1109/TMI.2006.870483