Keyphrases
- detection algorithm
- multiscale
- preprocessing
- times faster
- worst case
- learning algorithm
- improved algorithm
- k means
- objective function
- cost function
- optimization algorithm
- expectation maximization
- probabilistic model
- convergence rate
- high accuracy
- neural network
- computational cost
- dynamic programming
- np hard
- computational complexity
- computationally efficient
- experimental evaluation
- tree structure
- matching algorithm
- recognition algorithm
- computer vision
- network model