Název: Handwritten Fonts Modeling Based on Fat Lines of Variable Width Autoři: Klimenko, StanislavMestetskiy, LeonidSemenov, Andrey Citace zdrojového dokumentu: WSCG '2008: Full Papers: The 16-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision in co-operation with EUROGRAPHICS, University of West Bohemia Plzen, Czech Republic, February 4 - 7, 2008, p. 25-32. Datum vydání: 2008 Nakladatel: Václav Skala - UNION Agency Typ dokumentu: conferenceObjectkonferenční příspěvek URI: http://wscg.zcu.cz/wscg2008/Papers_2008/full/!_WSCG2008_Full_final.ziphttp://hdl.handle.net/11025/10915 ISBN: 978-80-86943-15-2 Klíčová slova: modelování obrazu;ruční písmo;tlusté křivky;automatický kerning Klíčová slova v dalším jazyce: image modelling;handwritten font;fat curves;automatic kerning Abstrakt: In this paper we consider a new geometrical primitive - a curve of variable width (a fat curve). The fat curve is a trace of circle with variable radius moving along a smooth trajectory of the finite length called as an axis. For the mathematical description of such primitives cubic B-splines are used. By means of them it is possible to specify both an axis and a radius value (a thickness) of a fat curve. We solve a problem of representation of hand-written characters given as raster binary images in the form of association of fat curves. We demonstrate a possibility of modeling of "real" handwriting by entering small deformations into the form of fat curves. We consider a method of automatic kerning (visual alignment of letter spacing) of hand-written characters given as curves of variable width. We describe the way of output of arbitrary text presented by series of fat curves on raster-scan devices (printed output, displayed output). A prototype of a font editor of fat curves was developed by the authors of this paper. The presented approach can be used as embedded module (plug-in) in font editors of hand-written characters. Práva: © Václav Skala - UNION Agency Vyskytuje se v kolekcích: WSCG '2008: Full Papers

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