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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/4049

Title: Brush up your painting skills - Realistic brush design for interactive painting applications
Authors: VAN LAERHOVEN, Tom
VAN REETH, Frank
Issue Date: 2007
Publisher: SPRINGER
Citation: VISUAL COMPUTER, 23(9-11). p. 763-771
Abstract: Most present-day interactive paint applications lack the means of adequately capturing a user's gestures and translating them into realistic and predictable strokes, despite the importance of such a mechanism. We present a novel brush design that adopts constrained energy optimization to deform the brush tuft according to the user's input movement. It incorporates bidirectional paint transfer and an anisotropic friction model. The main advantage of our method is its ability to handle a wide range of brush tuft shapes that are animated using a freeform deformation lattice, which is associated with the tuft's geometry. This way, almost no conditions or limitations are placed upon the appearance of the brush. Examples range from round brushes modeled as polygon meshes, to flat brushes with individual bristles. Less common deformable tools that are used to apply or remove paint on the canvas, like sponges, can be created as well. The model is integrated in our interactive painting system for creating images with watery paint.
Notes: Hasselt Univ, Univ Limburg, Expertise Ctr Digital Media Transnat, BE-3590 Diepenbeek, Belgium.VAN LAERHOVEN, T, Hasselt Univ, Univ Limburg, Expertise Ctr Digital Media Transnat, Wetenschaps Pk 2, BE-3590 Diepenbeek, Belgium.tom.vaniaerhoven@uhasselt.be frank.vanreeth@uhasselt.be
URI: http://hdl.handle.net/1942/4049
DOI: 10.1007/s00371-007-0158-z
ISI #: 000249207600016
ISSN: 0178-2789
Category: A1
Type: Journal Contribution
Validation: ecoom, 2008
Appears in Collections: Research publications

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