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1 2008

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Ordering of diagnostic information in encoded medical images : accuracy progression

Przelaskowski A., Jóźwiak R., Krzyżewski T., Wróblewska A.

Opto-Electronics Review

2008

Vol. 16, No. 1

49-59

A concept of diagnostic accuracy progression for embedded coding of medical images was presented. Implementation of JPEG2000 encoder with a modified PCRD optimization algorithm was realized and initially verified as a tool for accurate medical image streaming. Mean square error as a distortion measure was replaced by other numerical measures to revise quality progression according to diagnostic importance of successively encoded image information. A faster increment of image diagnostic importance during reconstruction of initial packets of code stream was reached. Modified Jasper code was initially tested on a set of mammograms containing clusters of microcalcifications and malignant masses, and other radiograms. Teleradiologic applications were considered as the first area of interests.