Keyphrases
- search space
- dynamic programming
- experimental evaluation
- detection algorithm
- optimal solution
- computationally efficient
- computational complexity
- significant improvement
- cost function
- matching algorithm
- times faster
- convergence rate
- input data
- simulated annealing
- worst case
- np hard
- k means
- preprocessing
- objective function
- learning algorithm
- improved algorithm
- parameter tuning
- negative matrix factorization
- optimization algorithm
- theoretical analysis
- data structure
- face recognition
- image processing