942 search results - page 54 / 189 » Structure From Motion for Scenes Without Features |
CVPR
2010
IEEE
14 years 5 months ago
2010
IEEE
A novel method for crowd flow modeling and anomaly detection is proposed for both coherent and incoherent scenes. The novelty is revealed in three aspects. First, it is a unique ut...
IJCV
1998
13 years 8 months ago
1998
A fundamental problem in depth from defocus is the measurement of relative defocus between images. The performance of previously proposed focus operators are inevitably sensitive t...
ISMAR
2006
IEEE
14 years 2 months ago
2006
IEEE
One of the key requirements of augmented reality systems is a robust real-time camera pose estimation. In this paper we present a robust approach, which does neither depend on ofï...
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
This paper presents an approach to extracting and using semantic layers from low altitude aerial videos for scene understanding and object tracking. The input video is captured by...
ICMCS
2009
IEEE
13 years 6 months ago
2009
IEEE
This paper presents a robust and accurate method for joint head pose and facial actions tracking, even under challenging conditions such as varying lighting, large head movements,...