Keyphrases
- multiscale
- significant improvement
- practical problems
- methods can be applied
- empirical studies
- image representation
- difficult problems
- heuristic methods
- machine learning methods
- multi class
- preprocessing
- optimization problems
- neural network
- wavelet transform
- statistical methods
- search methods
- qualitative and quantitative
- computational cost
- problems in computer vision
- integer linear programming
- information retrieval