Apparatus for proccessing drawn-by-human-hand effect using...

Details Apparatus for proccessing drawn-by-human-hand effect using... Apparatus for proccessing drawn-by-human-hand effect using...

2008-10-01

2011-12-27

Brier, Jeffery A (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

Reexamination Certificate

active

08085270

ABSTRACT:
An apparatus for processing an effect using style lines, includes a contour line creation unit for creating contour lines using polygons of a three-dimensional (3D) object and location information of a camera; a style line creation unit for putting edge lists, extracted at the time of creating the contour lines, into groups, and creating one or more style lines for each of the groups; and an effect processing unit for representing a line style by inserting the created style lines inside and outside a contour line corresponding to the group. Therefore, representation to appear to have been drawn by a human hand is enabled by adding style lines to existing contour lines in order to represent a line style that belongs to various styles of non-photo realistic rendering.

REFERENCES:
patent: 5594853 (1997-01-01), Salesin et al.
patent: 6608627 (2003-08-01), Marshall et al.
patent: 7061501 (2006-06-01), Lake
patent: 2004-054584 (2004-02-01), None
Korean to English machine translation of Notice of Allowance dated May 27, 2009, for Korean application No. 10-2007-0132678.
Stylized Haloed Outlines on the GPU, Jorn Loviscach, SIGGRAPH 2004 Poster.
Rendering Optimisations for Stylised Sketching, Holger Winnemoller et al., 2003 ACM p. 117-122.

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