Publications of S. Lepsøy

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Journal Papers

1. G. E. Øien, S. Lepsøy. Fractal-based image coding with fast decoder convergence. Signal Processing, 40:105-117, 1994. (more)

Book Chapters

1. S. Lepsøy, G. E. Øien. Fast attractor image encoding by adaptive codebook clustering. In Fractal Image Compression - Theory and Application, Y. Fisher (ed.), Springer-Verlag, New York, 1994. (more)
2. G. E. Øien, S. Lepsøy. A class of fractal image coders with fast decoder convergence. In Fractal Image Compression - Theory and Application, Y. Fisher (ed.), Springer-Verlag, New York, 1994. (more)

Conference Papers

1. S. Lepsøy, P. Carlini, G. E. Øien. On fractal compression and vector quantization. In Conf. Proc. NATO ASI Fractal Image Encoding and Analysis, Trondheim, July 1995, Y. Fisher (ed.), Berlin Heidelberg, 1998. (more)
2. G. E. Øien, S. Lepsøy. On the benefits of basis orthogonalization in fractal image compression. In Conf. Proc. NATO ASI Fractal Image Encoding and Analysis, Trondheim, July 1995, Y. Fisher (ed.), Berlin Heidelberg, 1998. (more)
3. G. E. Øien, Z. Baharav, S. Lepsøy, D. Malah, E. Karnin. A new improved collage theorem with applications to multiresolution fractal image coding. In Proceedings of ICASSP-1994 IEEE International Conference on Acoustics, Speech and Signal Processing, Volume 5, Adelaide, 1994. (more)
4. S. Lepsøy, G. E. Øien, T. Ramstad. Attractor image compression with a fast non-iterative decoding algorithm. In Proceedings of ICASSP-1993 IEEE International Conference on Acoustics, Speech and Signal Processing, Volume 5, Pages 337-340, 1993. (more)
5. T. A. Ramstad, S. Lepsøy. Block-based attractor coding: Potential and comparison to vector quantization. In Conference Record of the Twenty-Seventh Asilomar Conference on Signals, Systems and Computers, Pages 1504-1508, 1993. (more)
6. S. Lepsøy, G. E. Øien. Attractor image compression featuring direct attractor optimization and non-iterative decoding. In INDUMAT-92, Nordic Conference on Industrial Mathematics, 1992. (more)
7. G. E. Øien, S. Lepsøy, T. Ramstad. Reducing the complexity of a fractal-based image coder. In Proceedings of the Vth European Signal Processing Conference EUSIPCO'92, Pages 1353-1356, 1992. (more)
8. G. E. Øien, S. Lepsøy, T. Ramstad. An inner product space approach to image coding by contractive transformations. In Proceedings of ICASSP-1991 IEEE International Conference on Acoustics, Speech and Signal Processing, Pages 2773-2776, 1991. (more)

Thesis

1. S. Lepsøy. Attractor Image Compression: Fast Algorithms and Comparisons to Related Techniques. PhD Thesis The Norwegian Institute of Technology, Trondheim, Norway, June 1993. (more)