Pencil strokes for vector based drawing elements

Details Pencil strokes for vector based drawing elements Pencil strokes for vector based drawing elements

2006-11-22

2011-12-20

Brier, Jeffery A (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

Reexamination Certificate

active

08081187

ABSTRACT:
Embodiments of the invention provide techniques for generating displays of vector drawing elements that have the appearance of being hand drawn using traditional media materials, such as a pencil. Multiple pencil strokes to be rendered on top of each other and the structure of the simulated paper surface remains constant, generating a realistic appearance for multiple rendered pencil strokes. A variety of physical characteristics of pencils and paper surfaces may be specified, and a convincing appearance may be achieved by modeling these parameters in software, and speed may be realized by rendering the pencil effect using a shader program executed on graphics hardware.

REFERENCES:
patent: 5611036 (1997-03-01), Berend et al.
patent: 6970169 (2005-11-01), Harris
patent: 2004/0036693 (2004-02-01), Yoon et al.
patent: 2008/0018650 (2008-01-01), Sander
GPU Gems: programming techniques, tips, and tricks for real-time graphics . . . ; Chapter 5 Implementing Improved Perlin Noise; 2004; Addison-Wesley; book pp. 73-85, HTML printout pp. 1-18.
John C. Hart, Perlin Noise Pixel Shaders; 2001; Proceedings of the ACM SIGGRAPH/EUROGRAPHICS workshop on Graphics hardware; pp. 87-94.
Ken Perlin; Improving Noise; Jul. 2002; Proceedings of ACM SIGGRAPH 2002; vol. 21, issue 3; pp. 681-682.
Damien Marshall, Declan Delaney, Damien Marshall, Declan Delaney, Seamus Mcloone, Tomas Ward; Representing Random Terrain on Resource Limited Devices; 2004; IJIGS/University of Wolverhampton/EUROSIS; pp. 1-5.
Matthew Kaplan and Elaine Cohen; A Generative Model for Dynamic Canvas Motion; May 18-20, 2005; Computational Aesthetics 2005, Eurographics Workshop on Computational Aesthetics in Graphics (2005), Visualization and Imaging, Girona, Spain; pp. 49-56.
International Search Report. Aug. 21, 2008.

Affiliated with

Also associated with

Rating

Pencil strokes for vector based drawing elements does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pencil strokes for vector based drawing elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pencil strokes for vector based drawing elements will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4299543