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256views
14 years 3 months ago
Facial Feature Detection Using Distance Vector Fields
A novel method for eye and mouth detection and eye center and mouth corner lo- calization, based on geometrical information is presented in this paper. First, a face detector is ...
Stylianos Asteriadis, Nikos Nikolaidis, Ioannis Pi...
GRAPHICSINTERFACE
2007
15 years 3 months ago
A GPU based interactive modeling approach to designing fine level features
In this paper we propose a GPU based interactive geometric modeling approach to designing fine level features on subdivision surfaces. Displacement mapping is a technique for addi...
Xin Huang, Sheng Li, Guoping Wang
GMP
2006
IEEE
157views Solid Modeling» more  GMP 2006»
15 years 8 months ago
Density-Controlled Sampling of Parametric Surfaces Using Adaptive Space-Filling Curves
Abstract. Low-discrepancy point distributions exhibit excellent uniformity properties for sampling in applications such as rendering and measurement. We present an algorithm for ge...
J. A. Quinn, Frank C. Langbein, Ralph R. Martin, G...
IBPRIA
2003
Springer
15 years 7 months ago
Regularization of 3D Cylindrical Surfaces
In this paper we present a method for the regularization of 3D cylindrical surfaces. By a cylindrical surface we mean a 3D surface that can be expressed as an application S(l, θ) ...
Luis Álvarez, Carmelo Cuenca, Javier S&aacu...
3DPVT
2004
IEEE
146views Visualization» more  3DPVT 2004»
15 years 5 months ago
Estimating the Surface Radiance Function from Single Images
This paper describes a simple method for estimating the surface radiance function from single images of smooth surfaces made of materials whose reflectance function is isotropic a...
Antonio Robles-Kelly, Edwin R. Hancock