Sciweavers

516 search results - page 50 / 104
» MAVIS: A Visual Environment for Active Computer Vision
Sort
View
ASSETS
2008
ACM
13 years 10 months ago
Computer vision-based clear path guidance for blind wheelchair users
We describe a system for guiding blind and visually impaired wheelchair users along a clear path that uses computer vision to sense the presence of obstacles or other terrain feat...
Volodymyr Ivanchenko, James Coughlan, William Gerr...
CSCWD
2008
Springer
13 years 9 months ago
EnViron: An integrated VR tool for engineering projects
One of the main objectives in engineering departments of large industries is the implementation of integrated information systems to manage their projects' life cycle. EnViro...
Ismael H. F. dos Santos, Alberto Barbosa Raposo, L...
CVPR
2009
IEEE
15 years 3 months ago
Observe Locally, Infer Globally: a Space-Time MRF for Detecting Abnormal Activities with Incremental Updates
We propose a space-time Markov Random Field (MRF) model to detect abnormal activities in video. The nodes in the MRF graph correspond to a grid of local regions in the video fra...
Jaechul Kim (University of Texas at Austin), Krist...
CVPR
2009
IEEE
1413views Computer Vision» more  CVPR 2009»
15 years 3 months ago
Learning Semantic Scene Models by Object Classification and Trajectory Clustering
The visual surveillance task is to monitor the activity of objects in a scene. In far-field settings (i.e., wide outdoor areas), the majority of visible activities are objects movi...
Hanqing Lu, Stan Z. Li, Tianzhu Zhang
VRST
2004
ACM
14 years 1 months ago
Modeling and rendering of walkthrough environments with panoramic images
An important, potential application of image-based techniques is to create photo-realistic image-based environments for interactive walkthrough. However, existing image-based stud...
Angus M. K. Siu, Ada S. K. Wan, Rynson W. H. Lau