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CGI
1996
IEEE
13 years 11 months ago
Improved Specular Highlights With Adaptive Shading
Gouraud shading and Phong shading are widely used interpolation methods to render a polygon mesh of a curved surface. When an illumination equation has a specular reflection term,...
Youngkwan Cho, Ulrich Neumann, Jongwook Woo
JMIV
1998
130views more  JMIV 1998»
13 years 7 months ago
Topological Numbers and Singularities in Scalar Images: Scale-Space Evolution Properties
Singular points of scalar images in any dimensions are classified by a topological number. This number takes integer values and can efficiently be computed as a surface integral ...
Stiliyan Kalitzin, Bart M. ter Haar Romeny, Alfons...
CGF
1999
130views more  CGF 1999»
13 years 7 months ago
A Free Form Feature Taxonomy
In this paper the notion of free form feature for aesthetic design is presented. The design of industrial products constituted by free form surfaces is done by using CAD systems r...
M. Fontana, Franca Giannini, M. Meirana
VIS
2007
IEEE
80views Visualization» more  VIS 2007»
14 years 8 months ago
Topologically Clean Distance Fields
Analysis of materials obtained from physical simulations is important in the physical sciences. Our research was motivated by the need to investigate the properties of a simulated...
Attila G. Gyulassy, Mark A. Duchaineau, Vijay Na...
ICIP
2005
IEEE
14 years 9 months ago
Evaluation of color spaces for edge classification in outdoor scenes
Knowing which edges in an image denote shadow edges and which are due to object boundaries or changes in surface reflectance has important applications in both computer vision and...
Erum Arif Khan, Erik Reinhard