Keyphrases
- computational complexity
- preprocessing
- significant improvement
- high accuracy
- similarity measure
- times faster
- cost function
- theoretical analysis
- linear programming
- recognition algorithm
- matching algorithm
- detection algorithm
- optimization algorithm
- maximum likelihood
- computational cost
- dynamic programming
- np hard
- artificial neural networks
- optimal solution
- image segmentation
- particle swarm optimization
- computationally efficient
- experimental study
- tree structure
- k means
- estimation algorithm