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EUROGRAPHICS Workshop on Sketch-Based Interfaces and Modeling (2007) M. van de Panne, E. Saund (Editors)

Summary: EUROGRAPHICS Workshop on Sketch-Based Interfaces and Modeling (2007)
M. van de Panne, E. Saund (Editors)
A Pen-based Tool for Efficient Labeling of 2D Sketches
Aaron Wolin, Devin Smith and Christine Alvarado
Harvey Mudd College, CA
High quality labeled data is essential for developing and evaluating sketch recognition algorithms. Unfortunately,
labeling freely-drawn sketches is time-consuming and difficult, if not impossible, using current technologies. These
difficulties and the resulting lack of labeled data fundamentally limit the development of recognition algorithms. We
present an intuitive, direct manipulation pen-based application for labeling sketch data in any two-dimensional
domain. Our labeling tool supports the three essential sketch recognition labeling tasks: stroke fragmentation,
stroke grouping and label application. Our interface integrates standard and novel interaction techniques to make
each task efficient and natural. In a user study, all users felt that labeling data with our tool was quick and efficient.
Categories and Subject Descriptors (according to ACM CCS): I.5.5 [Pattern Recognition]: Implementation: Interac-
tive systems
H.5.2 [Information Interfaces and Presentation]: User Interfaces: Interaction styles
1. Introduction
Tablet computers have the potential to fundamentally change
the way people create and interact with diagrams. Their


Source: Alvarado, Christine - Computer Science Department, Harvey Mudd College
Hammond, Tracy - Department of Computer Science and Engineering, Texas A&M University


Collections: Computer Technologies and Information Sciences