Keyphrases
- matching algorithm
- learning algorithm
- computational complexity
- preprocessing
- experimental evaluation
- search space
- dynamic programming
- matching process
- expectation maximization
- cost function
- image matching
- particle swarm optimization
- segmentation algorithm
- optimization algorithm
- objective function
- crossword puzzles
- gradient projection
- quadratic optimization problems
- recognition algorithm
- times faster
- pattern matching
- clustering method
- detection algorithm
- high accuracy
- worst case
- probabilistic model
- computational cost
- np hard
- significant improvement
- decision trees