683 search results - page 41 / 137 » Analysis of Utility Functions for Video |
ICIP
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, we show how to estimate, accurately and efficiently, the 3D motion of a rigid or non-rigid object, and time-varying lighting in a dynamic scene. This is achieved i...
ACIVS
2006
Springer
15 years 3 months ago
2006
Springer
Content analysis of video and still images is attractive for multiple reasons, such as enabling content-based actions and image manipulation. This paper presents a new algorithm an...
CVPR
2004
IEEE
15 years 11 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...
SPIESR
1998
14 years 11 months ago
1998
We present here a prototype video analysis and retrieval system, called NeTra-V, that is being developed to build an object-based video representation for functionalities such as s...
TCSV
2002
14 years 9 months ago
2002
The new video-coding standard MPEG-4 enables content-based functionality, as well as high coding efficiency, by taking into account shape information of moving objects. A novel alg...