Keyphrases
- recognition algorithm
- learning algorithm
- detection algorithm
- experimental evaluation
- data analysis
- preprocessing
- improved algorithm
- times faster
- segmentation algorithm
- k means
- data mining
- computational complexity
- linear programming
- computationally efficient
- objective function
- data sets
- cost function
- dynamic programming
- computational cost
- tree structure
- simulated annealing
- data mining techniques
- machine learning
- clustering method
- video sequences
- particle swarm optimization
- probabilistic model
- pattern recognition
- np hard
- search space