Keyphrases
- optimization algorithm
- experimental evaluation
- learning algorithm
- detection algorithm
- preprocessing
- recognition algorithm
- optimal solution
- computational complexity
- classification algorithm
- worst case
- segmentation algorithm
- improved algorithm
- experimental study
- clustering method
- estimation algorithm
- data sets
- space complexity
- theoretical analysis
- dynamic programming
- significant improvement
- linear programming
- np hard
- tree structure
- search space
- times faster
- memory requirements
- multiscale
- face recognition
- decision trees
- image processing