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International Conference on Computer Graphics, Imaging and Visualization (CGIV'05)
Perspective Correct Normal Vectors for Phong Shading
Beijing, China
July 26-July 29
ISBN: 0-7695-2392-7
ASCII Text
x 
 
Hua Zhang, Changqian Zhu, Qiang Zhao, Hao Shen, "Perspective Correct Normal Vectors for Phong Shading," Computer Graphics, Imaging and Visualization, International Conference on, pp. 245-250, International Conference on Computer Graphics, Imaging and Visualization (CGIV'05), 2005.
 
 
BibTex
x
 
@article{ 10.1109/CGIV.2005.58,
author = {Hua Zhang and Changqian Zhu and Qiang Zhao and Hao Shen},
title = {Perspective Correct Normal Vectors for Phong Shading},
journal ={Computer Graphics, Imaging and Visualization, International Conference on},
volume = {0},
year = {2005},
isbn = {0-7695-2392-7},
pages = {245-250},
doi = {http://doi.ieeecomputersociety.org/10.1109/CGIV.2005.58},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - CONF
JO - Computer Graphics, Imaging and Visualization, International Conference on
TI - Perspective Correct Normal Vectors for Phong Shading
SN - 0-7695-2392-7
SP245
EP250
A1 - Hua Zhang,
A1 - Changqian Zhu,
A1 - Qiang Zhao,
A1 - Hao Shen,
PY - 2005
KW - null
VL - 0
JA - Computer Graphics, Imaging and Visualization, International Conference on
ER -
 
Hua Zhang, Southwest Jiaotong University and Chinese Academy of Engineering Physics
Changqian Zhu, Southwest Jiaotong University
Qiang Zhao, Chinese Academy of Engineering Physics
Hao Shen, Chinese Academy of Engineering Physics
Linear shading interpolation is not physically correct in perspective projection. We present a perspective correct interpolation method. Our method achieves the perspective correct interpolation in the standard graphics pipeline in contrast to other?s that are calculated in a nonstandard graphics pipeline or by using similar triangles technology. We also show how to use this perspective interpolation to get the perspective correct normal vectors for applications such as Phong shading.
Citation:
Hua Zhang, Changqian Zhu, Qiang Zhao, Hao Shen, "Perspective Correct Normal Vectors for Phong Shading," cgiv, pp.245-250, International Conference on Computer Graphics, Imaging and Visualization (CGIV'05), 2005
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