Image coding Approximation theory 4 Block codes 4 Block-coding 4 Color image processing 4 Digital signal processing 4 Fixed points 4 Fractal compression 4 Fractals 4 Functional equation 4 Grey-level functions 4 Image compression 4 Image quality 4 Image reconstruction 4 Mathematical operators 4 Optical correlation 4 Pattern recognition 4 Self-similarity 4 Theorem proving 4 Wavelet transforms 4 Apodization 2 Bitplane coding 2 Charge coupled devices 2 Color multiplexing 2 Compression 2 Computer generated holography 2 Correlators 2 Electromagnetic wave diffraction 2 Embedded 2 Error detection 2