Character recognition 2 Classification (of information) 2 Classification performance 2 Combining classifiers 2 Descriptor 2 Descriptors 2 Digit recognition 2 Digit representation Dimension reduction 2 Handwritten digit recognition 2 Handwritten numeral 2 Large datasets 2 Mnist database 2 Multi-resolution feature 2 Multiresolution features 2 Principal component analysis 2 Recognition rates 2 Support vector machines 2 Training costs 2