Hybrid fractal image coding with quadtree-based progressive structure

Authors:
Ching Hung Yuen;Oi Yan Lui;Kwok Wo Wong
Affiliations:
-;-;-
Venue:
Journal of Visual Communication and Image Representation
Year:
2013

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Abstract

A progressive structure which takes the quadtree depth into consideration is proposed for fractal image coding. Simulation results show that its image quality at different received data rates is better than that without considering the quadtree level. Then, a hybrid fractal image coding scheme based on traditional and no-search fractal image coding with the proposed progressive structure is suggested. The image quality and compression ratio can be controlled by a threshold, which makes it downward compatible to the no-search fractal image coding. Experimental results justify that the progressive performance of the proposed scheme is better than that of traditional fractal image coding.