{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,30]],"date-time":"2024-06-30T04:37:37Z","timestamp":1719722257177},"reference-count":23,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Jilin Province Development and Reform Commission Project","award":["No.2017C046-3"]},{"name":"Major Cooperation Program between Changchun and Local Universities","award":["No.17DY017"]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["No.61273064"],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["No.61671219"],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Jilin Provincial Science and Technology Department Key Scientific and Technological Project","award":["No.20150204058SF"]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2019,5]]},"abstract":" Human activity recognition based on wireless body area networks plays an essential role in various applications such as health monitoring, rehabilitation, and physical training. Currently, most of the human activity recognition is based on smartphone, and it provides more possibilities for this task with the rapid proliferation of wearable devices. To obtain satisfactory accuracy and adapt to various scenarios, we built a smart-belt which embedded the VG350 as posture data collector. This article proposes a hierarchical activity recognition structure, which divides the recognition process into two levels. Then a multi-classification Support Vector Machine algorithm optimized by Particle Swarm Optimization is applied to identify five kinds of conventional human postures. And we compare the effectiveness of triaxial accelerometer and gyroscope when used together and separately. Finally, we conduct systematic performance analysis. Experimental results show that our overall classification accuracy is 92.3% and the F-Measure can reach 92.63%, which indicates the human activity recognition system is accurate and effective. <\/jats:p>","DOI":"10.1177\/1550147719849357","type":"journal-article","created":{"date-parts":[[2019,5,14]],"date-time":"2019-05-14T10:59:21Z","timestamp":1557831561000},"page":"155014771984935","update-policy":"http:\/\/dx.doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Human activity recognition via smart-belt in wireless body area networks"],"prefix":"10.1177","volume":"15","author":[{"given":"Yuhong","family":"Zhu","sequence":"first","affiliation":[{"name":"College of Communication Engineering, Jilin University, Changchun, China"}]},{"ORCID":"http:\/\/orcid.org\/0000-0002-5330-7394","authenticated-orcid":false,"given":"Jingchao","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Communication Engineering, Jilin University, Changchun, China"}]},{"given":"Fengye","family":"Hu","sequence":"additional","affiliation":[{"name":"College of Communication Engineering, Jilin University, Changchun, China"}]},{"given":"Zhijun","family":"Li","sequence":"additional","affiliation":[{"name":"College of Communication Engineering, Jilin University, Changchun, China"}]},{"given":"Zhuang","family":"Ling","sequence":"additional","affiliation":[{"name":"College of Communication Engineering, Jilin University, Changchun, 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