959 search results - page 185 / 192 » Tracking objects in video using motion and appearance models |
JVCA
2000
14 years 9 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
15 years 11 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
15 years 2 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
15 years 3 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
15 years 11 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...