Keyphrases
- experimental evaluation
- preprocessing
- significant improvement
- theoretical analysis
- high accuracy
- clustering method
- main contribution
- cost function
- computational cost
- classification accuracy
- fully automatic
- classification method
- em algorithm
- computer vision
- dynamic programming
- objective function
- wavelet transform
- prior knowledge
- mutual information
- artificial neural networks
- pairwise
- computational complexity
- optimization algorithm
- detection algorithm
- detection method
- experimental study
- multiscale
- feature extraction