{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T10:18:19Z","timestamp":1784024299815,"version":"3.55.0"},"reference-count":105,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2022,11,5]],"date-time":"2022-11-05T00:00:00Z","timestamp":1667606400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Foundation for Science and Technology, I.P. (Portuguese Foundation for Science and Technology)","award":["UIDB\/05064\/2020"],"award-info":[{"award-number":["UIDB\/05064\/2020"]}]},{"name":"Foundation for Science and Technology, I.P. (Portuguese Foundation for Science and Technology)","award":["UIDB\/04111\/2020"],"award-info":[{"award-number":["UIDB\/04111\/2020"]}]},{"name":"Foundation for Science and Technology, I.P. (Portuguese Foundation for Science and Technology)","award":["COFAC\/ILIND\/COPELABS\/3\/2020"],"award-info":[{"award-number":["COFAC\/ILIND\/COPELABS\/3\/2020"]}]},{"name":"VALORIZA\u2014Research Center for Endogenous Resource Valorization","award":["UIDB\/05064\/2020"],"award-info":[{"award-number":["UIDB\/05064\/2020"]}]},{"name":"VALORIZA\u2014Research Center for Endogenous Resource Valorization","award":["UIDB\/04111\/2020"],"award-info":[{"award-number":["UIDB\/04111\/2020"]}]},{"name":"VALORIZA\u2014Research Center for Endogenous Resource Valorization","award":["COFAC\/ILIND\/COPELABS\/3\/2020"],"award-info":[{"award-number":["COFAC\/ILIND\/COPELABS\/3\/2020"]}]},{"name":"ILIND\u2014Lusophone Institute of Investigation and Development","award":["UIDB\/05064\/2020"],"award-info":[{"award-number":["UIDB\/05064\/2020"]}]},{"name":"ILIND\u2014Lusophone Institute of Investigation and Development","award":["UIDB\/04111\/2020"],"award-info":[{"award-number":["UIDB\/04111\/2020"]}]},{"name":"ILIND\u2014Lusophone Institute of Investigation and Development","award":["COFAC\/ILIND\/COPELABS\/3\/2020"],"award-info":[{"award-number":["COFAC\/ILIND\/COPELABS\/3\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>According to the World Health Organization, about 15% of the world\u2019s population has some form of disability. Assistive Technology, in this context, contributes directly to the overcoming of difficulties encountered by people with disabilities in their daily lives, allowing them to receive education and become part of the labor market and society in a worthy manner. Assistive Technology has made great advances in its integration with Artificial Intelligence of Things (AIoT) devices. AIoT processes and analyzes the large amount of data generated by Internet of Things (IoT) devices and applies Artificial Intelligence models, specifically, machine learning, to discover patterns for generating insights and assisting in decision making. Based on a systematic literature review, this article aims to identify the machine-learning models used across different research on Artificial Intelligence of Things applied to Assistive Technology. The survey of the topics approached in this article also highlights the context of such research, their application, the IoT devices used, and gaps and opportunities for further development. The survey results show that 50% of the analyzed research address visual impairment, and, for this reason, most of the topics cover issues related to computational vision. Portable devices, wearables, and smartphones constitute the majority of IoT devices. Deep neural networks represent 81% of the machine-learning models applied in the reviewed research.<\/jats:p>","DOI":"10.3390\/s22218531","type":"journal-article","created":{"date-parts":[[2022,11,7]],"date-time":"2022-11-07T03:02:22Z","timestamp":1667790142000},"page":"8531","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":75,"title":["Artificial Intelligence of Things Applied to Assistive Technology: A Systematic Literature Review"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4509-6611","authenticated-orcid":false,"given":"Maur\u00edcio Pasetto","family":"de Freitas","sequence":"first","affiliation":[{"name":"School of Sea, Science and Technology, University of the Itaja\u00ed Valley, Itaja\u00ed 88302-901, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vin\u00edcius Aquino","family":"Piai","sequence":"additional","affiliation":[{"name":"School of Sea, Science and Technology, University of the Itaja\u00ed Valley, Itaja\u00ed 88302-901, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ricardo Heffel","family":"Farias","sequence":"additional","affiliation":[{"name":"School of Sea, Science and Technology, University of the Itaja\u00ed Valley, Itaja\u00ed 88302-901, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2986-5353","authenticated-orcid":false,"given":"Anita M. R.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"School of Sea, Science and Technology, University of the Itaja\u00ed Valley, Itaja\u00ed 88302-901, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anubis Graciela","family":"de Moraes Rossetto","sequence":"additional","affiliation":[{"name":"Federal Institute of Education, Science and Technology Sul-Rio-Grandense, Passo Fundo 99064-440, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0446-9271","authenticated-orcid":false,"given":"Valderi Reis Quietinho","family":"Leithardt","sequence":"additional","affiliation":[{"name":"COPELABS, Lus\u00f3fona University of Humanities and Technologies, Campo Grande 376, 1749-024 Lisboa, Portugal"},{"name":"VALORIZA, Research Center for Endogenous Resources Valorization, Instituto Polit\u00e9cnico de Portalegre, 7300-555 Portalegre, Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,5]]},"reference":[{"key":"ref_1","unstructured":"WHO (2011). 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