1. Voronoi++ a dynamic page segmentation approach based on Voronoi and Docstrum features;Agrawal,2009
2. A realistic dataset for performance evaluation of document layout analysis;Antonacopoulos,2009
3. ICDAR2015 competition on recognition of documents with complex layouts - RDCL2015;Antonacopoulos,2015
4. ICDAR2009 page segmentation competition;Antonacopoulos,2009
5. Image segmentation by shape-directed covers;Baird,1990