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Generalized haptic relief atlas for rendering surface detail

Author
Theoktisto, V.; Fairen, M.; Navazo, I.
Type of activity
Presentation of work at congresses
Name of edition
International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications
Date of publication
2013
Presentation's date
2013-02
Book of congress proceedings
GRAPP 2013 IVAPP 2013 - Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications
First page
191
Last page
196
URL
http://www.engineeringvillage.com/controller/servlet/Controller?SEARCHID=M22f48d3313fe7cf4d29M5217prod2con1&CID=quickSearchDetailedFormat&DOCINDEX=1&database=3&format=quickSearchDetailedFormat&tagscope=&displayPagination=yes Open in new window
Abstract
A fast global approach that encodes haptic surface relief detail using an image-based Hybrid Rugosity Me-sostructure Atlas (HyRMA) shell is presented. It is based on a depth/normal texture computed from surface differences of the same mesh object at different resolutions (a dense one with thousands/millions of triangles, and a highly decimated version). Per-face local depth differences are warped from volume space into tangent space, and stored in a sorted relief atlas. Next, the atlas is sample...
Keywords
Computer graphics, Image reconstruction, Information analysis, Information systems, Textures
Group of research
ViRVIG - Visualisation, Virtual Reality and Graphic Interaction Research Group

Participants