On Neighbourhood Matching for Texture-by-Numbers
In: Computer Graphics Forum, Jg. 30 (2010-12-09), S. 127-138
Online
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Zugriff:
Texture-by-Numbers is an attractive texture synthesis framework, because it is able to cope with non-homogeneous texture exemplars, and provides the user with intuitive creative control over the outcome of the synthesis process. Like many other exemplar-based texture synthesis methods, its basic underlying mechanism is neighbourhood matching. In this paper we review a number of commonly used neighbourhood matching acceleration techniques, compare and analyse their performance in the specific context of Texture-by-Numbers (as opposed to ordinary unconstrained texture synthesis). Our study indicates that the standard approaches are not optimally suited for the Texture-by-Numbers framework, often producing visually inferior results compared to searching for the exact L2nearest neighbour. We then show that performing Texture-by-Number using the Texture Optimization framework in conjunction with an efficient FFT-based search is able to produce good results in reasonable running times and with a minimal memory overhead.
Titel: |
On Neighbourhood Matching for Texture-by-Numbers
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Autor/in / Beteiligte Person: | Lischinski, Dani ; Sivaks, Eliyahu |
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Zeitschrift: | Computer Graphics Forum, Jg. 30 (2010-12-09), S. 127-138 |
Veröffentlichung: | Wiley, 2010 |
Medientyp: | unknown |
ISSN: | 0167-7055 (print) |
DOI: | 10.1111/j.1467-8659.2010.01837.x |
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