NDLI: BriGuard: a lightweight indoor intrusion detection system based on infrared light spot displacement

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Volume 9 (2015) : Issue 2, Mar

Volume 9 (2015) : Issue 1, Jan

IET Signal Processing

IET Wireless Sensor Systems

Micro & Nano Letters

The Journal of Engineering

BriGuard: a lightweight indoor intrusion detection system based on infrared light spot displacement

Content Provider	IET Digital Library
Author	Liu, Leibo Zhang, Weilong Deng, Chenchen Yin, Shouyi Wei, Shaojun
Abstract	Indoor intrusion detection systems are widely implemented in many special departments and environments. Owing to the special target market, several specific features of such systems are required including high accuracy, high performance, high concealment and ease of deployment. In this study, the authors proposed an infrared light spot displacement-based surveillance system for indoor intrusion detection. This system, named BriGuard, shares a similar idea with radar. A 940 nm infrared light beam goes through an optical diffraction grating to generate light spot matrix imagery in the view of a complementary metal oxide semiconductor image sensor. The coordinates of the light spots are extracted and recorded. When someone enters the monitored area, the imaging plane changes and leads to a variation of the pre-recorded light spots coordinates. The light beam is modulated in order to be distinguished from the light in the environment. The lightweight algorithms require little computation power and data storage. BriGuard achieves a nearly zero false detection rate while covering a distance up to 10 m. It can process 30 full HD (1920 × 1080) frames per second. More importantly, because of unnoticeable infrared lights and very small form factor, the whole detection equipment is very hard to observe.
Starting Page	306
Ending Page	314
Page Count	9
ISSN	17518822
Volume Number	9
e-ISSN	17518830
Issue Number	Issue 3, May (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-smt/9/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2013.0171
Journal	IET Science, Measurement & Technology
Publisher Date	2014-10-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BriGuard CMOS Image Sensor CMOS Integrated Circuit Complementary Metal Oxide Semiconductor Image Sensor Computer Vision And Image Processing Technique Converto Diffraction Gratings Echelles Form Factor Gratings Image Detector Image Recognition Image Sonsor Infrared Detector Infrared Imaging Infrared Light Spot Displacement-based Surveillance System Intensifiers Light Beam Modulation Light Spot Matrix Image Generation Light Spots Coordinate Extraction Lightweight Algorithm Lightweight Indoor Intrusion Detection System Optical Diffraction Grating Optical Modulation Radar Security of Data Video Surveillance Wavelength 940 Nm Zero False Detection Rate
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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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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BriGuard: a lightweight indoor intrusion detection system based on infrared light spot displacement

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