Keyphrases
- computational complexity
- learning algorithm
- closed form
- preprocessing
- high accuracy
- recognition algorithm
- tree structure
- detection algorithm
- segmentation algorithm
- particle swarm optimization
- cost function
- k means
- search space
- np hard
- dynamic programming
- experimental evaluation
- significant improvement
- improved algorithm
- worst case
- selection algorithm
- objective function
- theoretical analysis
- times faster
- experimental study
- matching algorithm
- estimation algorithm
- similarity measure
- convergence rate
- image sequences
- classification algorithm
- data structure
- optimization algorithm
- computationally efficient
- expectation maximization
- neural network
- least squares
- computational cost