Title :
Fractal approximation of image block in its neighbor and fractal coding
Author :
Pi, Minghong ; Peng, Jiaxiong ; Ding, Mingyue
Author_Institution :
National Lab. of Machine Perception, Peking Univ., Beijing, China
Abstract :
A least squares fractal approximation of an image block in its neighbourhood is presented. Compared with Monro´s (1992) fractal coding, the fractal coefficients of our algorithm are easily quantified. The compression ratio and PSNR of our fractal coding is higher than Monro´s algorithm
Keywords :
data compression; fractals; image coding; image segmentation; least squares approximations; PSNR; compression ratio; fractal coding; fractal coefficients; image block; image compression; least squares fractal approximation; Approximation algorithms; Degradation; Digital images; Fractals; Image coding; Information science; Iterative decoding; Least squares approximation; PSNR; Quantization;
Conference_Titel :
Intelligent Processing Systems, 1997. ICIPS '97. 1997 IEEE International Conference on
Conference_Location :
Beijing
Print_ISBN :
0-7803-4253-4
DOI :
10.1109/ICIPS.1997.669124
