Lossless predictive compression of medical images | Zendy

Aleksej Avramović | Zendy; Slavica Savic | Zendy

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Lossless predictive compression of medical images

Author(s) -

Aleksej Avramović,

Slavica Savic

Publication year - 2011

Publication title -

serbian journal of electrical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.133

H-Index - 5

eISSN - 2217-7183

pISSN - 1451-4869

DOI - 10.2298/sjee1101027a

Subject(s) - lossless compression , image compression , lossy compression , data compression , artificial intelligence , computer science , redundancy (engineering) , compression (physics) , computer vision , pattern recognition (psychology) , image (mathematics) , image processing , materials science , composite material , operating system

Among the many categories of images that require lossless compression, medical images can be indicated as one of the most important category. Medical image compression with loss impairs of diagnostic value, therefore, there are often legal restrictions on the image compression with losses. Among the common approaches to medical image compression we can distinguish the transformation-based and prediction-based approaches. This paper presents algorithms for the prediction based on the edge detection and estimation of local gradient. Also, a novel prediction algorithm based on advantages of standardized median predictor and gradient predictor is presented and analyzed. Removed redundancy estimation was done by comparing entropies of the medical image after prediction

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