Two improved codebook search methods of vector quantization based on orthogonal checking and fixed range search.
Chin-Chen ChangWen-Tsai LiTung-Shou ChenPublished in: J. Electronic Imaging (1998)
Keyphrases
- vector quantization
- search methods
- image compression
- search algorithm
- vector quantizer
- metaheuristic
- distortion measure
- codebook design
- exhaustive search
- fractal image compression
- input vector
- reduced complexity
- fractal image coding
- finite state vector quantization
- vector quantized
- nearest neighbor search
- dynamic programming
- reinforcement learning
- successive approximation
- genetic algorithm
- neural network