We model on-line ink traces jor a set of 219 symbols to "best fit" low-degree polynomial series. Using a collection of mathematical writing samples, we find that in many cases this provides a succinct way to model the stylus movements of actual test users. Furthermore, even without further similarity-processing, the polynomial coefficients from the writing samples form clusters which often contain the same character as written by different users. We find this style of characterization to be an attractive tool due to the suitability of the representation to computation and mathematical analysis.
Representing and characterizing handwritten mathematical symbols through succinct functional approximation
Creators
Bruce W. Char - Drexel University
Stephen M. Watt - Western University
Contributors
B Werner (Editor)
Publication Details
ICDAR 2007: NINTH INTERNATIONAL CONFERENCE ON DOCUMENT ANALYSIS AND RECOGNITION, VOLS I AND II, PROCEEDINGS, v 2, pp 1198-1202
Series
Proceedings of the International Conference on Document Analysis and Recognition
Publisher
IEEE
Number of pages
2
Grant note
NSERC Discovery Grants Program
Microsoft Canada
REC-0325872; CCF-0325685 / National Science Foundation; National Science Foundation (NSF)
University of Western Ontario
Drexel University
Resource Type
Conference proceeding
Language
English
Academic Unit
[Retired Faculty]
Web of Science ID
WOS:000252162600240
Scopus ID
2-s2.0-51149089514
Other Identifier
991019170509504721
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