Hybrid fractal image coding with quadtree-based progressive structure》.pdfVIP

J. Vis. Commun. Image R. 24 (2013) 1328–1341 Contents lists available at ScienceDirect J. Vis. Commun. Image R. journal homepage: /locate/jvci Hybrid fractal image coding with quadtree-based progressive structure Ching Hung Yuen ⇑, Oi Yan Lui, Kwok Wo Wong Department of Electronic Engineering, City University of Hong Kong, Hong Kong a r t i c l e i n f o a b s t r a c t Article history: A progressive structure which takes the quadtree depth into consideration is proposed for fractal image Received 25 February 2013 coding. Simulation results show that its image quality at different received data rates is better than that Accepted 3 September 2013 without considering the quadtree level. Then, a hybrid fractal image coding scheme based on traditional Available online 14 September 2013 and no-search fractal image coding with the proposed progressive structure is suggested. The image qual- ity and compression ratio can be controlled by a threshold, which makes it downward compatible to the Keywords: no-search fractal image coding. Experimental results justify that the progressive performance of the pro- Fractal image coding posed scheme is better than that of traditional fractal image coding. Progressive image transmission 2013 Elsevier Inc. All rights reserved. Image