Image Analysis for Digital Media Applications
IEEE Computer Graphics and Applications
Fast Fractal Image Compression
ITCC '00 Proceedings of the The International Conference on Information Technology: Coding and Computing (ITCC'00)
Enhanced Snake algorithm by embedded domain transformation
Pattern Recognition
| Hi-index | 0.01 |
After a very promising start, progress in fractal image coding has been relatively slow recently. Most improvements have been concentrating on better adaptive coding algorithms and on search strategies to reduce the encoding time. Very little has been-done to challenge the linear model of the fractal transformations used so far in practical applications. In this paper, we explain why effective nonlinear transformations are not easy to find and propose a model based on conformal mappings in the geometric domain that are a natural extension of the affine model. Our compression results show improvements over the linear model and support the hope that a deeper understanding of the notion of self-similarity would further advance fractal image coding