262 search results - page 4 / 53 » Feature Tracking from an Image Sequence Using Geometric Inva... |
BMVC
2001
13 years 9 months ago
2001
We introduce Scene Structural Matrix (SSM), a novel image content descriptor and its application to invariant image retrieval. The SSM captures the overall structural characterist...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
In this paper, a robust technique is proposed to detect and track a set of twenty-eight prominent facial features under various facial expressions and face orientations in real-ti...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
In this paper, two novel real-time methods are proposed for facial expression recognition in image sequences. The user manually places some of the Candide grid's points to th...
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
We derive a new class of photometric invariants that can be used for a variety of vision tasks including lighting invariant material segmentation, change detection and tracking, a...
MVA
2008
13 years 7 months ago
2008
This paper describes a new method for temporally calibrating multiple cameras by image processing operations. Existing multi-camera algorithms assume that the input sequences are ...