NDLI: Robust Orientation and Appearance Adaptation for Wide-Area Large Format Video Object Tracking

Content Provider	IEEE Xplore Digital Library
Author	Pelapur, R. Palaniappan, K. Seetharaman, G.
Copyright Year	2012
Abstract	Visual feature-based tracking systems need to adapt to variations in the appearance of an object and in the scene for robust performance. Though these variations may be small for short time steps, they can accumulate over time and deteriorate the quality of the matching process across longer intervals. Tracking in aerial imagery can be challenging as viewing geometry, calibration inaccuracies, complex ight paths and background changes combined with illumination changes, and occlusions can result in rapid appearance change of objects. Balancing appearance adaptation with stability to avoid tracking non-target objects can lead to longer tracks which is an indicator of tracker robustness. The approach described in this paper can handle affine changes such as rotation by explicit orientation estimation, scale changes by using a multiscale Hessian edge detector and drift correction by using segmentation. We propose an appearance update approach that handles the 'drifting' problem using this adaptive scheme within a tracking environment that is comprised of a rich feature set and a motion model.
Starting Page	337
Ending Page	342
File Size	2611750
Page Count	6
File Format	PDF
ISBN	9781467324991
e-ISBN	9780769547978
DOI	10.1109/AVSS.2012.92
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptation models Target tracking Image edge detection Transforms Robustness Vehicles
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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