{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T22:22:25Z","timestamp":1769552545435,"version":"3.49.0"},"reference-count":28,"publisher":"BMJ","issue":"12","license":[{"start":{"date-parts":[[2022,12,8]],"date-time":"2022-12-08T00:00:00Z","timestamp":1670457600000},"content-version":"unspecified","delay-in-days":7,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000026","name":"National Institute on Drug Abuse","doi-asserted-by":"publisher","award":["K23DA044874"],"award-info":[{"award-number":["K23DA044874"]}],"id":[{"id":"10.13039\/100000026","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000026","name":"National Institute on Drug Abuse","doi-asserted-by":"publisher","award":["R44DA051106"],"award-info":[{"award-number":["R44DA051106"]}],"id":[{"id":"10.13039\/100000026","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Karl van Tassel (1925) Career Development Professorship at MIT","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]},{"name":"Division of Gastroenterology, Brigham and Women\u2019s Hospital","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]},{"name":"Hans and Mavis Lopater Psychosocial Foundation","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]},{"name":"Department of Mechanical Engineering, MIT","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2022,11,9]]},"published-print":{"date-parts":[[2022,12]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Mask adherence continues to be a critical public health measure to prevent transmission of aerosol pathogens, such as SARS-CoV-2. We aimed to develop and deploy a computer vision algorithm to provide real-time feedback of mask wearing among staff in a hospital.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Single-site, observational cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>An urban, academic hospital in Boston, Massachusetts, USA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>We enrolled adult hospital staff entering the hospital at a key ingress point.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Interventions<\/jats:title>\n                    <jats:p>Consenting participants entering the hospital were invited to experience the computer vision mask detection system. Key aspects of the detection algorithm and feedback were described to participants, who then completed a quantitative assessment to understand their perceptions and acceptance of interacting with the system to detect their mask adherence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Outcome measures<\/jats:title>\n                    <jats:p>Primary outcomes were willingness to interact with the mask system, and the degree of comfort participants felt in interacting with a public facing computer vision mask algorithm.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>One hundred and eleven participants with mean age 40 (SD15.5) were enrolled in the study. Males (47.7%) and females (52.3%) were equally represented, and the majority identified as white (N=54, 49%). Most participants (N=97, 87.3%) reported acceptance of the system and most participants (N=84, 75.7%) were accepting of deployment of the system to reinforce mask adherence in public places. One third of participants (N=36) felt that a public facing computer vision system would be an intrusion into personal privacy.<\/jats:p>\n                    <jats:p>Public-facing computer vision software to detect and provide feedback around mask adherence may be acceptable in the hospital setting. Similar systems may be considered for deployment in locations where mask adherence is important.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2022-062707","type":"journal-article","created":{"date-parts":[[2022,12,9]],"date-time":"2022-12-09T10:25:12Z","timestamp":1670581512000},"page":"e062707","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Acceptance of a computer vision facilitated protocol to measure adherence to face mask use: a single-site, observational cohort study among hospital staff"],"prefix":"10.1136","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0955-4117","authenticated-orcid":false,"given":"Peter R","family":"Chai","sequence":"first","affiliation":[{"name":"Emergency Medicine, Brigham and Women\u2019s Hospital, Boston, Massachusetts, USA"},{"name":"Massachusetts Institute of Technology Koch Institute for Integrative Cancer Research, Cambridge, Massachusetts, 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Available: https:\/\/www.pyimagesearch.com\/2018\/07\/23\/simple-object-tracking-with-opencv\/ [Accessed cited 2021 December 10]."},{"key":"2025120520400049000_12.12.e062707.22","unstructured":"Reichfield F . The one number you need to grow. Harvard Business Review 2003."},{"key":"2025120520400049000_12.12.e062707.23","doi-asserted-by":"publisher","DOI":"10.1017\/dmp.2013.43"},{"key":"2025120520400049000_12.12.e062707.24","first-page":"293","article-title":"To mask or not to mask: modeling the potential for face mask use by the general public to curtail the COVID-19 pandemic","volume":"5","author":"Eikenberry","year":"2020","journal-title":"Infect Dis Model"},{"key":"2025120520400049000_12.12.e062707.25","doi-asserted-by":"crossref","first-page":"m1422","DOI":"10.1136\/bmj.m1422","article-title":"Covid-19: what is the evidence for cloth masks?","volume":"30","author":"Mahase","year":"2020","journal-title":"BMJ"},{"key":"2025120520400049000_12.12.e062707.26","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2011674117"},{"key":"2025120520400049000_12.12.e062707.27","doi-asserted-by":"crossref","unstructured":"Draughon GTS , Sun P , Lynch JP . Implementation of a computer vision framework for tracking and visualizing face mask usage in urban environments. 2020 IEEE International Smart Cities Conference (ISC2); 28 Sept.-1 Oct. 2020, 2020.","DOI":"10.1109\/ISC251055.2020.9239012"},{"key":"2025120520400049000_12.12.e062707.28","unstructured":"Nayak R , Manohar N . Computer-Vision based face mask detection using CNN. 2021 6th International Conference on Communication and Electronics Systems (ICCES); 2021 8-10 July, 2021."}],"container-title":["BMJ Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bmjopen-2022-062707","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,6]],"date-time":"2025-12-06T04:40:13Z","timestamp":1764996013000},"score":1,"resource":{"primary":{"URL":"https:\/\/bmjopen.bmj.com\/lookup\/doi\/10.1136\/bmjopen-2022-062707"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,12]]},"references-count":28,"journal-issue":{"issue":"12","published-online":{"date-parts":[[2022,12,9]]},"published-print":{"date-parts":[[2022,12]]}},"alternative-id":["10.1136\/bmjopen-2022-062707"],"URL":"https:\/\/doi.org\/10.1136\/bmjopen-2022-062707","relation":{},"ISSN":["2044-6055","2044-6055"],"issn-type":[{"value":"2044-6055","type":"print"},{"value":"2044-6055","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,12]]}}}