Keyphrases
- improved algorithm
- objective function
- detection algorithm
- dynamic programming
- times faster
- computational complexity
- optimization algorithm
- np hard
- computational cost
- memory requirements
- linear programming
- optimal solution
- learning algorithm
- cost function
- preprocessing
- k means
- classification algorithm
- image registration
- image retrieval
- theoretical analysis
- data sets
- clustering method
- tree structure
- matching algorithm
- image content
- decision trees
- clustering algorithm
- significant improvement