Graphics recognition : recent advances and perspectives ; 5th international workshop GREC 2003 Barcelona Spain July 30 31 2003 ; revised selected papers This book constitutes the thoroughly refereed post proceedings of the 5th International Workshop on Graphics Recognition GREC 2003 held in Barcelona Spain in July 2003. The 34 revised full papers presented were carefully selected and improved during two rounds of reviewing and revision. The papers are organized in topical sections on platforms architectures and document knowledge models; technical documents maps and charts; perceptual organization indexing and graphical signatures; image analysis and low level processing; symbol recognition graphical matching and classification; online processing and sketchy interfaces; and performance evaluation contest results