Reading 10 - Visual Similarity of Gestures

Paper
Long Jr, A. Chris, et al. "Visual similarity of pen gestures." Proceedings of the SIGCHI conference on Human Factors in Computing Systems. ACM, 2000.
Publication Link: http://dl.acm.org/citation.cfm?id=332458

Notes
These authors have a lot of work in the area of gesture recognition using different form factors and inputs.  This paper discusses some of the background for their work, examining visual similarity of gestures and how this may be determined.