Keyphrases
- dynamic programming
- experimental evaluation
- detection algorithm
- high accuracy
- similarity measure
- objective function
- computational complexity
- preprocessing
- matching algorithm
- data sets
- np hard
- computational cost
- times faster
- experimental study
- tree structure
- recognition algorithm
- estimation algorithm
- k means
- search space
- learning algorithm
- memory requirements
- space complexity
- single pass
- segmentation method
- clustering method
- segmentation algorithm
- theoretical analysis
- computationally efficient
- expectation maximization
- input data
- worst case
- significant improvement