Fast K-means algorithm based on a level histogram for image retrieval.
Chuen-Horng LinChun-Chieh ChenHsin-Lun LeeJan-Ray LiaoPublished in: Expert Syst. Appl. (2014)
Keyphrases
- k means
- image retrieval
- computational complexity
- dynamic programming
- computational cost
- clustering method
- np hard
- expectation maximization
- clustering algorithm
- detection algorithm
- learning algorithm
- worst case
- data clustering
- image matching
- high accuracy
- experimental evaluation
- significant improvement
- image enhancement
- preprocessing
- times faster
- objective function
- convergence rate
- recognition algorithm
- unsupervised clustering