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Sixth International Conference on Document Analysis and Recognition (ICDAR'01)
Smart Sketchpad - An On-line Graphics Recognition System
Seattle, Washington
September 10-September 13
ISBN: 0-7695-1263-1
Liu Wenyin, Microsoft Research China
Wenjie Qian, Microsoft Research China
Rong Xiao, Nanjing University
Xiangyu Jin, Nanjing University
Abstract: An on-line graphics recognition system is presented, which provides users a natural, convenient, and efficient way to input rigid and regular shapes or graphic objects (e.g., triangles, rectangles, ellipses, straight line, arrowheads, etc.) by quickly drawing their sketchy shapes in single or multiple strokes. An input sketchy (hand-drawn) shape is immediately converted into the user-intended rigid shape based on the shape similarity and the time constraint of the sketchy line. Three different (rule-based, SVM-based, and ANN-based) approaches have been applied and compared in the system. Experiments and evaluation are also presented, which show good performance of the system.
Index Terms:
Graphics recognition, sketch recognition, shape recognition, pen-based user interface, support vector machines (SVMs), artificial neural network (ANN).
Citation:
Liu Wenyin, Wenjie Qian, Rong Xiao, Xiangyu Jin, "Smart Sketchpad - An On-line Graphics Recognition System," icdar, pp.1050, Sixth International Conference on Document Analysis and Recognition (ICDAR'01), 2001
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