Keyphrases
- times faster
- experimental evaluation
- dynamic programming
- detection algorithm
- clustering method
- np hard
- high accuracy
- cost function
- preprocessing
- optimal solution
- learning algorithm
- significant improvement
- worst case
- objective function
- improved algorithm
- theoretical analysis
- lead to significant improvements
- document retrieval
- neural network
- matching algorithm
- linear programming
- image database
- similarity measure
- information retrieval