Keyphrases
- objective function
- dynamic programming
- times faster
- detection algorithm
- experimental evaluation
- optimization algorithm
- np hard
- k means
- learning algorithm
- theoretical analysis
- segmentation algorithm
- preprocessing
- computational complexity
- error function
- experimental study
- tree structure
- improved algorithm
- image processing
- computationally efficient
- worst case
- cost function
- similarity measure
- expectation maximization
- input data
- linear programming
- high accuracy
- clustering method
- significant improvement
- search algorithm
- classification algorithm
- optimal solution
- multiscale
- density function