Keyphrases
- learning algorithm
- worst case
- experimental evaluation
- np hard
- preprocessing
- neural network
- improved algorithm
- high accuracy
- k means
- genetic algorithm
- block wise
- detection algorithm
- computational cost
- multiscale
- optimization algorithm
- data structure
- convergence rate
- times faster
- matching algorithm
- high frequency
- tree structure
- image restoration
- computational complexity
- dynamic programming
- theoretical analysis
- particle swarm optimization
- image quality
- input data
- lower bound
- search space
- probabilistic model
- significant improvement
- cost function