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» Computing fundamental groups from point clouds
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PG
2007
IEEE
15 years 5 months ago
Point-Based Minkowski Sum Boundary
Minkowski sum is a fundamental operation in many geometric applications, including robotics, penetration depth estimation, solid modeling, and virtual prototyping. However, due to...
Jyh-Ming Lien
FGR
2011
IEEE
176views Biometrics» more  FGR 2011»
14 years 2 months ago
Prop-free pointing detection in dynamic cluttered environments
Abstract—Vision-based prop-free pointing detection is challenging both from an algorithmic and a systems standpoint. From a computer vision perspective, accurately determining wh...
Pyry Matikainen, Padmanabhan Pillai, Lily B. Mumme...
ICCV
2011
IEEE
13 years 11 months ago
Optimal Estimation of Vanishing Points in a Manhattan World
In this paper, we present an analytical method for computing the globally optimal estimates of orthogonal vanishing points in a “Manhattan world” with a calibrated camera. We ...
Faraz Mirzaei, Stergios Roumeliotis
ECCV
2004
Springer
16 years 26 days ago
Classifying Materials from Their Reflectance Properties
We explore the possibility of recognizing the surface material from a single image with unknown illumination, given the shape of the surface. Model-based PCA is used to create a lo...
Peter Nillius, Jan-Olof Eklundh
ECCV
2000
Springer
16 years 25 days ago
Egomotion Estimation Using Quadruples of Collinear Image Points
This paper considers a fundamental problem in visual motion perception, namely the problem of egomotion estimation based on visual input. Many of the existing techniques for solvin...
Manolis I. A. Lourakis