Keyphrases
- recognition algorithm
- experimental evaluation
- learning algorithm
- high accuracy
- dynamic programming
- recognition rate
- significant improvement
- np hard
- detection algorithm
- theoretical analysis
- expectation maximization
- worst case
- optimal solution
- times faster
- computational complexity
- improved algorithm
- segmentation method
- object recognition
- computational cost
- optimization algorithm
- face recognition
- image matching
- handwritten digits
- recognition accuracy
- convergence rate
- matching algorithm
- energy function
- cost function
- preprocessing
- search algorithm
- objective function
- bayesian networks
- feature extraction
- image processing