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Grouping Strokes into Shapes in Hand-Drawn Diagrams Eric J. Peterson and Thomas F. Stahovich
 

Summary: Grouping Strokes into Shapes in Hand-Drawn Diagrams
Eric J. Peterson and Thomas F. Stahovich
Mechanical Engineering Department
University of California
Riverside, California 92521
epeterson@engr.ucr.edu, stahov@engr.ucr.edu
Eric Doi and Christine Alvarado
Computer Science Department
Harvey Mudd College
Claremont, California 91711
eric doi@hmc.edu, alvarado@cs.hmc.edu
Abstract
Objects in freely-drawn sketches often have no spatial or
temporal separation, making object recognition difficult. We
present a two-step stroke-grouping algorithm that first classi-
fies individual strokes according to the type of object to which
they belong, then groups strokes with like classifications into
clusters representing individual objects. The first step facili-
tates clustering by naturally separating the strokes, and both
steps fluidly integrate spatial and temporal information. Our

  

Source: Alvarado, Christine - Computer Science Department, Harvey Mudd College

 

Collections: Computer Technologies and Information Sciences