NDLI: Efficient detection and tracking of moving objects in geo-coordinates

Content Provider	Springer Nature Link
Author	Lin, Yuping Yu, Qian Medioni, Gérard
Copyright Year	2010
Abstract	We present a system to detect and track moving objects from an airborne platform. Given a global map, such as a satellite image, our approach can locate and track the targets in geo-coordinates, namely longitude and latitude obtained from geo-registration. A motion model in geo-coordinates is more physically meaningful than the one in image coordinates. We propose to use a two-step geo-registration approach to stitch images acquired by satellite and UAV cameras. Mutual information is used to find correspondences between these two very different modalities. After motion segmentation and geo-registration, tracking is performed in a hierarchical manner: at the temporally local level, moving image blobs extracted by motion segmentation are associated into tracklets; at the global level, tracklets are linked by their appearance and spatio-temporal consistency on the global map. To achieve efficient time performance, graphics processing unit techniques are applied in the geo-registration and motion detection modules, which are the bottleneck of the whole system. Experiments show that our method can efficiently deal with long term occlusion and segmented tracks even when targets fall out the field of view.
Starting Page	505
Ending Page	520
Page Count	16
File Format	PDF
ISSN	09328092
Journal	Machine Vision and Applications
Volume Number	22
Issue Number	3
e-ISSN	14321769
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-04-20
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Airborne video surveillance Geo-registration Moving object detection and tracking Real-time GPU processing Image Processing and Computer Vision Pattern Recognition Communications Engineering, Networks
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Computer Science Applications Software Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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