Paper-based scribble simplification: where do we stand?

Authors:
A. Bartolo;K. P. Camilleri;S. G. Fabri;J. C. Borg
Affiliations:
Department of Systems and Control Engineering, University of Malta;Department of Systems and Control Engineering, University of Malta;Department of Systems and Control Engineering, University of Malta;Department of Industrial and Manufacturing Engineering, University of Malta
Venue:
SBM'08 Proceedings of the Fifth Eurographics conference on Sketch-Based Interfaces and Modeling
Year:
2008

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Abstract

This paper presents a formal evaluation of the paper-based scribble simplification algorithm described in [BCFB07] and [BCFB08]. A comparative analysis of different aspects of the algorithm with other algorithms described in the literature such as Sparse Pixel Vectorization, spatial moving average filtering and Principal Component Analysis is performed, hence establishing the qualities of this paper-based scribble simplification algorithm. To quantify the performance of the algorithm, performance measures established in the literature, such as the Pixel Recovery Index are used when suitable. However, since there exists no quantitative measure which measures scribble simplification, this paper proposes a new methodology with which scribble simplification may be quantitatively assessed. Through the evaluation described in this paper, we will be able to determine remaining difficulties in the interpretation of paper-based scribbles and hence identify future research areas.