76 search results - page 5 / 16 » A Self-Calibration Method of Zooming Camera |
155
click to vote
MVA
2000
15 years 7 months ago
2000
We propose an automatic monitoring system which detects and tracks intruders, using a pan-tiltzoom camera. Detection is based on a background subtraction method which detects the ...
145
click to vote
3DIM
2003
IEEE
15 years 11 months ago
2003
IEEE
We present a novel technique for calibrating a zooming camera based on the invariance properties of the Normalized Image of the Absolute Conic (NIAC). First, we show that the came...
118
click to vote
ICPR
2006
IEEE
16 years 6 months ago
2006
IEEE
This paper presents a novel approach to estimate the changing internal and external parameters of the camera in real time using a few 3D-2D point correspondences. We approach the ...
127
click to vote
ICPR
2002
IEEE
16 years 6 months ago
2002
IEEE
Camera motion detection is essential for automated video analysis. We propose a new probabilistic model for detecting zoom-in/zoom-out operations. The model uses EM to estimate th...
165
click to vote
ICRA
1998
IEEE
15 years 10 months ago
1998
IEEE
We present a new active vision technique called zoom tracking. Zoom tracking is the continuous adjustment of a camera's focal length in order to keep a constant-sized image of...