{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:17:58Z","timestamp":1760242678076,"version":"build-2065373602"},"reference-count":17,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2016,1,2]],"date-time":"2016-01-02T00:00:00Z","timestamp":1451692800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Video surveillance is widely deployed for many kinds of monitoring applications in healthcare and assisted living systems. Security and privacy are two promising factors that align the quality and validity of video surveillance systems with the caliber of patient monitoring applications. In this paper, we propose a symmetric key-based security framework for the reactive video surveillance of patients based on the inputs coming from data measured by a wireless body area network attached to the human body. Only authenticated patients are able to activate the video cameras, whereas the patient and authorized people can consult the video data. User and location privacy are at each moment guaranteed for the patient. A tradeoff between security and quality of service is defined in order to ensure that the surveillance system gets activated even in emergency situations. In addition, the solution includes resistance against tampering with the device on the patient\u2019s side.<\/jats:p>","DOI":"10.3390\/s16010032","type":"journal-article","created":{"date-parts":[[2016,1,5]],"date-time":"2016-01-05T02:29:07Z","timestamp":1451960947000},"page":"32","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Secure and Efficient Reactive Video Surveillance for Patient Monitoring"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9965-915X","authenticated-orcid":false,"given":"An","family":"Braeken","sequence":"first","affiliation":[{"name":"Department of Industrial Sciences and Technology (INDI), Vrije Universiteit Brussel, Brussels 1000, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6365-9804","authenticated-orcid":false,"given":"Pawani","family":"Porambage","sequence":"additional","affiliation":[{"name":"Centre for Wireless Communication (CWC), University of Oulu, Oulu 90014, Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9829-9287","authenticated-orcid":false,"given":"Andrei","family":"Gurtov","sequence":"additional","affiliation":[{"name":"Helsinki Institute of Information Technology (HIIT), Aalto University, Espoo 00076, Finland"},{"name":"Department of \u201cSecure Information Technologies\u201d (SIT), ITMO University, Kronverkskiy prospekt 49, St. Petersburg 197101, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mika","family":"Ylianttila","sequence":"additional","affiliation":[{"name":"Centre for Wireless Communication (CWC), University of Oulu, Oulu 90014, Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2016,1,2]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1145\/2545883","article-title":"Security and Privacy Protection in Visual Sensor Networks: A Survey","volume":"47","author":"Winkler","year":"2014","journal-title":"ACM Comput. Surv."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1007\/s11235-009-9235-0","article-title":"The Future of Security in Wireless Multimedia Sensor Networks","volume":"45","author":"Zilan","year":"2010","journal-title":"Telecommun. Syst."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"921","DOI":"10.1016\/j.comnet.2006.10.002","article-title":"A Survey on Wireless Multimedia Sensor Networks","volume":"51","author":"Akyildiz","year":"2007","journal-title":"Comput. Netw."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1007\/s00530-011-0241-1","article-title":"User-centric Privacy Awareness in Video Surveillance","volume":"18","author":"Winkler","year":"2012","journal-title":"Multimedia Syst."},{"key":"ref_5","unstructured":"Schaffer, M., and Schartner, P. (2005, January 19\u201321). Video Surveillance: A Distributed Approach to Protect Privacy. 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