Title :
A new simple context lossless image coding algorithm based on adaptive context arithmetic coder
Author :
Ulacha, G. ; Stasinski, R.
Author_Institution :
Dept. of Comput. Sci., Szczecin Univ. of Technol., Szczecin
Abstract :
In the paper an effective context based lossless coding technique is presented. Three principal and one auxiliary contexts are defined. Cumulated predictor error combining 8 bias estimators is calculated. An adaptive context arithmetic coder is introduced. It is shown experimentally that the new technique is time-effective while it outperforms the well known methods having reasonable time complexity, and is inferior only to extremely computationally complex ones.
Keywords :
codecs; computational complexity; digital arithmetic; image coding; adaptive context arithmetic coder; auxiliary contexts; bias estimators; context based lossless coding; cumulated predictor error; simple context lossless image coding; time complexity; Computer science; Context modeling; Digital arithmetic; Entropy; Error correction; Image coding; Materials requirements planning; Predictive models; Standards development; Wavelet transforms; arithmetic coder; context coding; cumulated predictor error; data modeling; lossless image coding;
Conference_Titel :
Systems, Signals and Image Processing, 2008. IWSSIP 2008. 15th International Conference on
Conference_Location :
Bratislava
Print_ISBN :
978-80-227-2856-0
Electronic_ISBN :
978-80-227-2880-5
DOI :
10.1109/IWSSIP.2008.4604363
