Extraction, layout analysis and classification of diagrams in PDF documents. - Robert P. Futrelle; Mingyan Shao; Chris Cieslik; Andrea Elaina Grimes (ICDAR, 2003)

Recognition and Classification of Figures in PDF Documents. - Mingyan Shao; Robert P. Futrelle (GREC, 2005)

Moment-derived Object Models for Vectorization. - Mingyan Shao; Daniel E. Crispell; Robert P. Futrelle (MVA, 2005)