24 septembre 2015
Ce document est lié à :
info:eu-repo/semantics/altIdentifier/doi/10.1007/978-3-319-24369-6_51
http://creativecommons.org/licenses/by/ , info:eu-repo/semantics/OpenAccess
Wojciech Lesinski et al., « Optical Music Recognition: Standard and Cost-Sensitive Learning with Imbalanced Data », HAL-SHS : sciences de l'information, de la communication et des bibliothèques, ID : 10.1007/978-3-319-24369-6_51
The article is focused on a particular aspect of classification, namely the issue of class imbalance. Imbalanced data adversely affects the recognition ability and requires proper classifier’s construction. In this work we present a case of music notation as an example of imbalanced data. Three classification algorithms - random forest, standard SVM and cost-sensitive SVM are described and tested. Feature selection based on random forest feature importance was used. Also, feature dimension reduction using PCA was studied.