TY - JOUR ID - ZDM2008 T1 - Hierarchical classification using a frequency-based weighting and simple visual features A1 - Zhou, Xin A1 - Depeursinge, Adrien A1 - Müller, Henning JA - Pattern Recognition Letters Y1 - 2008 VL - 29 IS - 15 SP - 2011 EP - 2017 KW - Benchmarking KW - image analysis KW - image classification KW - ImageCLEF KW - Medical image analysis and retrieval ER -