Robert Keefer Dimitris Dakapoulos Anna Esposito Nikolaos G. Bourbakis An Interaction Based Approach to Document Segmentation for the Visually Impaired. 540-549 2009 HCI (7) http://dx.doi.org/10.1007/978-3-642-02713-0_57 conf/hci/2009-7 db/conf/hci/hci2009-7.html#KeeferDEB09