收稿日期: 2001-09-05
网络出版日期: 2002-03-18
Julia Curves" and Fractal Image Compression Coding
Received date: 2001-09-05
Online published: 2002-03-18
朱志良 , 赵德平 , 朱伟勇 . Julia曲线"与分形图像压缩编码[J]. 中国科学院大学学报, 2002 , 19(2) : 177 -181 . DOI: 10.7523/j.issn.2095-6134.2002.2.014
The traditional fractal image compression coding that was designed by Barnsley is to divide an image that wants to be coded, then fractal image compression coding is begun with a compression dictionary that is made up from the image. For this reason, the compression dictionary is always changeable. Firstly, this paper measures "Julia curves"with square patterns by many ways, then "Julia curves"of measurement apply to coding fractal image and eliminate the defect that fractal image compression coding depends on changeable code compression dictionary. In addition, this paper also builds a small common dictionary that applys to speeding up fractal image compression coding. The experimental results show that the "Julia curves"can collage fractal image to be encoded very well and has some fractal image merit decoding.
Key words： Julia curves; fractal; image coding; image compression dictionary; decoding
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