A hierarchical feature decomposition clustering algorithm for unsupervised classification of document image types. - Dean Curtis; Vitaliy Kubushyn; Evangelos A. Yfantis; Michael Rogers (ICMLA, 2007)

Grouping, Segmentation and Recognition of Handwritten Social Security Images. - Christopher Jones; Vitaliy Kubushyn; John Bunch; Dean Curtis; Evangelos A. Yfantis (IPCV, 2007)