A Constant-Time Algorithm for Finding Neighbors in Quadtrees.
Kunio AizawaShojiro TanakaPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2009)
Keyphrases
- learning algorithm
- np hard
- computational complexity
- neural network
- segmentation algorithm
- probabilistic model
- computational cost
- dynamic programming
- times faster
- optimal solution
- recognition algorithm
- improved algorithm
- tree structure
- high accuracy
- convex hull
- matching algorithm
- neighborhood information
- theoretical analysis
- computationally efficient
- expectation maximization
- linear programming
- experimental evaluation
- significant improvement
- k means
- data structure
- nearest neighbor
- classification algorithm
- objective function
- data sets