Geometry-dependent Lighting
- Authors
- Lee, Chang Ha; X. Hao; A. Varshney
- Issue Date
- Jan-2006
- Publisher
- Institute of Electrical and Electronics Engineers
- Citation
- IEEE Transactions on Visualization and Computer Graphics, v.12, no.2, pp 197 - 207
- Pages
- 11
- Journal Title
- IEEE Transactions on Visualization and Computer Graphics
- Volume
- 12
- Number
- 2
- Start Page
- 197
- End Page
- 207
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/60857
- DOI
- 10.1109/TVCG.2006.30
- ISSN
- 1077-2626
1941-0506
- Abstract
- In this paper, we introduce geometry-dependent lighting that allows lighting parameters to be defined independently and possibly discrepantly over an object or scene based on the local geometry. We present and discuss light collages, a lighting design system with geometry-dependent lights for effective feature-enhanced visualization. Our algorithm segments the objects into local surface patches and places lights that are locally consistent but globally discrepant to enhance the perception of shape. We use spherical harmonics for efficiently storing and computing light placement and assignment. We also outline a method to find the minimal number of light sources sufficient to illuminate an object well with our globally discrepant lighting approach.
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Collections - College of Software > School of Computer Science and Engineering > 1. Journal Articles
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