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http://dx.doi.org/10.7742/jksr.2011.5.6.329

A study on improvement of SPIHT algorithm using redundancy bit removing for medical image  

Park, Jae-Hong (Dept. Radiological Technology, Choonhae College of Health Science)
Yang, Won-Seok (Dept. of Radiology, Dong-A University Hospital)
Park, Chul-Woo (Dept. of Electronic Information Communication, Dong-Pusan College)
Publication Information
Journal of the Korean Society of Radiology / v.5, no.6, 2011 , pp. 329-334 More about this Journal
Abstract
This paper presents improvement of compression rate for SPIHT algorithm based on wavelet compression through redundancy bit removing. Proposed SPIHT algorithm uses a method to select of optimized threshold from feature of wavelet transform coefficients and removes sign bit only if coefficient is LL area. Finally Proposed SPIHT algorithm applies to Huffman coding. Experimental results show that the proposed algorithm achieves more improvement bit rate and more fast progressive transmission with low bit rate.
Keywords
SPIHT; Huffman coding; Wavelet transform;
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