284 search results - page 28 / 57 » Detecting image spam using visual features and near duplicat... |
IVC
2000
14 years 9 months ago
2000
Regular structures, flat and non-flat, are perceived as regular in a wide range of viewing angles and under varying illumination. In this papers, we exploit this simple observatio...
3DPVT
2006
IEEE
15 years 3 months ago
2006
IEEE
Range sensing technology allows the photo-realistic modeling of large-scale scenes, such as urban structures. A major bottleneck in the process of 3D scene acquisition is the auto...
107
click to vote
DAGM
2003
Springer
15 years 3 months ago
2003
Springer
We present a system capable of visually detecting pointing gestures and estimating the 3D pointing direction in real-time. We use Hidden Markov Models (HMMs) trained on different ...
ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper presents an approach to build high resolution digital elevation maps from a sequence of unregistered low altitude stereovision image pairs. The approach first uses a vi...
NPAR
2009
ACM
15 years 4 months ago
2009
ACM
We present an algorithm for rendering high-quality line primitives of controllable on-screen width within a ray tracing framework, which can render simple NPR-style feature lines,...