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Fractal and wavelet image compression techniques /
Interest in image compression for internet and other multimedia applications has spurred research into compression techniques that will increase storage capabilities and transmission speed. This tutorial provides a practical guide to fractal and wavelet approaches--two techniques with exciting poten...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Bellingham, Wash. :
SPIE Optical Engineering Press,
©1999.
|
| Colección: | Tutorial texts in optical engineering ;
v. TT 40. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 1. Introduction
- Images
- The image compression problem
- Information, entropy, and data modeling
- Scalar and vector quantization
- Transform methods
- Color images
- The focus of this book.
- pt. I: Fractal image compression. 2. Iterated Function Systems
- Iterated function systems as the motivation for fractal image compression
- Metric spaces
- Iterated function systems
- Implementation of an iterated function system
- Examples
- 3. Fractal encoding of grayscale images
- A metric space for grayscale images
- Partitioned iterated function systems (PIFS)
- Fractal image encoding
- Image decoding
- Storing the encoded image
- Resolution independence
- Operator representation of fractal image encoding
- 4. Speeding up fractal encoding
- Feature extraction
- Domain classification
- Other approaches for speeding up fractal encoding.
- pt. II. Wavelet image compression. 5. Simple wavelets
- Introduction
- Averaging and detail
- Scaling functions and wavelet functions
- Multiresolution analysis
- Normalization
- Wavelet transform
- Inverse wavelet transform
- Wavelet transform in two dimensions
- 6. Daubechies wavelets
- Weighted averages and differences
- Properties and conditions on the coefficients
- Wavelet transform
- Scaling functions and wavelet functions
- Daubechies wavelets
- Simple image compression with Daubechies wavelets
- Other wavelet systems
- 7. Wavelet image compression techniques
- Introduction
- Wavelet zerotrees
- Hybrid fractal-wavelet coding
- 8. Comparison of fractal and wavelet image compression
- Rate distortion
- Encoding speed
- Larger images
- Conclusions
- Appendix A: Using the accompanying software
- IFS System
- IMG System: fractal image compression
- WAV System: wavelet image compression
- Appendix B: Utility Windows Library (UWL)
- Windows programming
- Utility Windows Library (UWL)
- Windows programming references
- Appendix C: Organization of the accompanying software source code
- IFS System
- IMG System
- WAV System.