959 search results - page 185 / 192 » Tracking objects in video using motion and appearance models |
JVCA
2000
13 years 7 months ago
2000
This contribution addresses the problem of obtaining 3D models from image sequences. A 3D surface description of the scene is extracted completely from a set of uncalibrated camer...
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...
ICIP
2003
IEEE
14 years 1 months ago
2003
IEEE
We present a method for estimating the point of fixation of an air traffic controller from a low resolution video sequence. A geometric model of the head is used to estimate hea...
ICIP
2007
IEEE
14 years 2 months ago
2007
IEEE
We propose a framework for estimation and analysis of temporal facial expression patterns of a speaker. The proposed system aims to learn personalized elementary dynamic facial ex...
ICCV
1999
IEEE
14 years 9 months ago
1999
IEEE
In this contribution we focus on the calibration of very long image sequences from a hand-held camera that samples the viewing sphere of a scene. View sphere sampling is important...