Dynamic user modeling for sketch-based user interface

Authors:
Zhengxing Sun;Bin Li;Qiang Wang;Guihuan Feng
Affiliations:
State Key Lab for Novel Software Technology, Nanjing University, P.R. China;State Key Lab for Novel Software Technology, Nanjing University, P.R. China;State Key Lab for Novel Software Technology, Nanjing University, P.R. China;State Key Lab for Novel Software Technology, Nanjing University, P.R. China
Venue:
Edutainment'06 Proceedings of the First international conference on Technologies for E-Learning and Digital Entertainment
Year:
2006

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Abstract

This paper presents a strategy of dynamic user modeling for sketch-based user interface. A user model is defined as an incremental decision tree for a specific user. A drawing style modeling process is designed to model user's temporal drawing performances among inputting strokes, and to predict the possible shape in term of fuzzy matching. A user mediation process is proposed based on relevance feedback to capture users' drawing intentions and refine the recognition results. Experiments prove efficiency of the method.