Computational Models for the Analysis and Synthesis of Graffiti Tag Strokes

Berio, Daniel and Leymarie, Frederic Fol. 2015. 'Computational Models for the Analysis and Synthesis of Graffiti Tag Strokes'. In: Proceedings of the workshop on Computational Aesthetics (CAe). Istanbul, Turkey. [Conference or Workshop Item]


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Abstract or Description

In this paper we describe a system aimed at the generation and analysis of graffiti tags.We argue that the dynamics
of the movement involved in generating tags is in large part — and at a higher degree with respect to many other
visual art forms — determinant of their stylistic quality. To capture this notion computationally, we rely on a biophysically
plausible model of handwriting gestures (the Sigma Lognormal Model proposed by Réjean Plamondon
et al.) that permits the generation of curves which are aesthetically and kinetically similar to the ones made
by a human hand when writing. We build upon this model and extend it in order to facilitate the interactive
construction and manipulation of digital tags. We then describe a method that reconstructs any planar curve or a
sequence of planar points with a set of corresponding model parameters. By doing so, we seek to recover plausible
velocity and temporal information for a static trace. We present a number of applications of our system: (i) the
interactive design of curves that closely resemble the ones typically observed in graffiti art; (ii) the stylisation and
beautification of input point sequences via curves that evoke a smooth and rapidly executed movement; (iii) the
generation of multiple instances of a synthetic tag from a single example. This last application is a step in the
direction of our longer term plan of realising a system which is capable of automatically generating convincing
images in the graffiti style space.

Item Type:

Conference or Workshop Item (Paper)

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Event Location:

Istanbul, Turkey

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Date Deposited:

31 Mar 2016 07:40

Last Modified:

29 Apr 2020 16:16


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