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PG
1997
IEEE
13 years 11 months ago
Illuminating image-based objects
In this paper, we present a new scheme of data representation for image-based objects. It allows the illumination to be changed interactively without knowing any geometrical infor...
Tien-Tsin Wong, Pheng-Ann Heng, Siu-Hang Or, Wai-Y...
CCCG
2008
13 years 9 months ago
The Solution Path of the Slab Support Vector Machine
Given a set of points in a Hilbert space that can be separated from the origin. The slab support vector machine (slab SVM) is an optimization problem that aims at finding a slab (...
Joachim Giesen, Madhusudan Manjunath, Michael Eige...
STOC
2003
ACM
136views Algorithms» more  STOC 2003»
14 years 7 months ago
Alpha-shapes and flow shapes are homotopy equivalent
In this paper we establish a topological similarity between two apparently different shape constructors from a set of points. Shape constructors are geometric structures that tran...
Tamal K. Dey, Joachim Giesen, Matthias John
RT
2000
Springer
13 years 11 months ago
Exact Illumination in Polygonal Environments using Vertex Tracing
Abstract. Methods for exact computation of irradiance and form factors associated with polygonal objects have ultimately relied on a formula for a differential area to polygon form...
Michael M. Stark, Richard F. Riesenfeld
MVA
2007
112views Computer Vision» more  MVA 2007»
13 years 9 months ago
A Physics-Based Imaging Model of Scanning Electron Microscopes
This paper discusses a physics-based imaging model of scanning electron microscopes (SEM). The purpose is to accurately examine the imaging process of a SEM, which has to be neces...
Kousuke Kamada, Takayuki Okatani, Koichiro Deguchi