NDLI: ACE in the Hole: Adaptive Contour Estimation Using Collaborating Mobile Sensors

Content Provider	IEEE Xplore Digital Library
Author	Srinivasan, S. Ramamritham, K. Kulkarni, P.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Indian Inst. of Technol. Bombay, Mumbai (Srinivasan, S.; Ramamritham, K.; Kulkarni, P.)
Abstract	This paper focuses on the use of mobile sensors to estimate contours in a field. In particular, we focus on strategies to estimate the contour with minimum latency and maximum precision. We propose a novel algorithm, ACE (adaptive contour estimation), that (a) estimates and exploits information regarding the gradients in the field to move towards the contour and (b) uses a spread component to surround the contour in order to optimize latency. While it is possible for sensors to spread as they approach the contour, it is crucial to judiciously determine when and how much to spread. Spreading too early or too much may result in increasing the latency or affecting the precision. ACE dynamically makes this decision using local sensor measurements, history of measurements as well as collaboration between sensors while adapting to different types of deployment, distance from the contour and shapes of the contour. We demonstrate that ACE, in the absence of energy constraints precisely determines the contour with a lower latency than when only gradients are used for movement or when the sensors spread out right from the start of estimation. Additionally, we show that ACE significantly improves precision of contour estimation in the presence of energy constraints. We also demonstrate a proof of concept implementation on a mobile robot testbed.
Starting Page	147
Ending Page	158
File Size	463059
Page Count	12
File Format	PDF
ISBN	9780769531571
DOI	10.1109/IPSN.2008.38
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape measurement Level set Sensor phenomena and characterization mobile Radar tracking contour Delay Petroleum estimation adaptive sensors Collaboration collaboration Pollution measurement Remote monitoring Mobile computing
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

ACE in the Hole: Adaptive Contour Estimation Using Collaborating Mobile Sensors

Ace in the hole: adaptive contour estimation using collaborating mobile sensors.

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