NDLI: Advanced visual tracking system based on 3-D motion model of moving object

Content Provider	IEEE Xplore Digital Library
Author	Junghyun Hwang Ooi, Y. Ozawa, S.
Copyright Year	1994
Description	Author affiliation: Fac. of Sci. & Eng., Keio Univ., Yokohama, Japan (Junghyun Hwang)
Abstract	This paper presents a visual tracking system which detects a moving object from the sampled scenes and analyzes the 3D trajectory. The tracking system features an overhead camera and a zoom function. Since the object moves in a 3D world and occlusion often occurs, the speed and size of the moving object also change from frame to frame. When an meaningful object is tracked with sufficiently magnified scene by zoom control, the trajectory analyzer detects the background movements and estimates the distance from camera to the object. The correspondence of four background regions in stereo frames is developed by a cross-correlation of the projected vertical edges in each region. A peak-level test evaluates the confidence of the result of background movements, and classifies the regions into spatial pattern groups. Finally, the object position and size are determined by temporal differentiation of edge images, and its 3D trajectory is estimated from the camera motion parameters and the distance of the moving object.
Starting Page	821
Ending Page	825
File Size	500098
Page Count	5
File Format	PDF
ISBN	0780313283
DOI	10.1109/IECON.1994.397892
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-09-05
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tracking Cameras Layout Object detection Motion analysis Trajectory Motion estimation Motion detection Image edge detection Testing
Content Type	Text
Resource Type	Article

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