An efficient algorithm for weak hierarchical lasso.
Yashu LiuJie WangJieping YePublished in: KDD (2014)
Keyphrases
- dynamic programming
- computational cost
- cost function
- times faster
- optimal solution
- detection algorithm
- learning algorithm
- theoretical analysis
- significant improvement
- preprocessing
- computational complexity
- experimental evaluation
- improved algorithm
- objective function
- elastic net
- k means
- regularization parameter
- convergence rate
- matching algorithm
- optimization algorithm
- worst case
- video sequences
- classification algorithm
- similarity measure
- data sets
- hierarchical clustering
- linear regression
- recognition algorithm
- np hard