A Novel Artificial Mosaic Generation Technique Driven by Local Gradient Analysis

Authors:
Sebastiano Battiato;Gianpiero Blasi;Giovanni Gallo;Giuseppe Claudio Guarnera;Giovanni Puglisi
Affiliations:
Dipartimento di Matematica e Informatica, University of Catania, Italy;Dipartimento di Matematica e Informatica, University of Catania, Italy;Dipartimento di Matematica e Informatica, University of Catania, Italy;Dipartimento di Matematica e Informatica, University of Catania, Italy;Dipartimento di Matematica e Informatica, University of Catania, Italy
Venue:
ICCS '08 Proceedings of the 8th international conference on Computational Science, Part II
Year:
2008

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Abstract

Art often provides valuable hints for technological innovations especially in the field of Image Processing and Computer Graphics. In this paper we present a novel method to generate an artificial mosaic starting from a raster input image. This approach, based on Gradient Vector Flow computation and some smart heuristics, permit us to follow the most important edges maintaining at the same time high frequency details. Several examples and comparisons with other recent mosaic generation approaches show the effectiveness of our technique.