{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T10:08:16Z","timestamp":1761646096900,"version":"3.37.3"},"reference-count":47,"publisher":"Wiley","license":[{"start":{"date-parts":[[2020,10,17]],"date-time":"2020-10-17T00:00:00Z","timestamp":1602892800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002383","name":"King Saud University","doi-asserted-by":"publisher","award":["RSP-2020\/46"],"award-info":[{"award-number":["RSP-2020\/46"]}],"id":[{"id":"10.13039\/501100002383","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2020,10,17]]},"abstract":"<jats:p>Nowadays, there is a global change in lifestyle that is moving more toward the use of e-services and smart devices which necessitate the verification of user identity. Different organizations have put into place a range of technologies, hardware, and\/or software to authenticate users using fingerprints, iris recognition, and so forth. However, cost and reliability are significant limitations to the use of such technologies. This study presents a nonfiducial PPG-based subject authentication system. In particular, the photoplethysmogram (PPG) signal is first filtered into four signals using the discrete wavelet transform (DWT) and then segmented into frames. Ten simple statistical features are extracted from the frame of each signal band to compose the feature vector. Augmenting the feature vector with the same features extracted from the 1st derivative of the corresponding signal is investigated, along with different fusion approaches. A support vector machine (SVM) classifier is then employed for the purpose of identity authentication. The proposed authentication system achieved an average authentication accuracy of 99.3% using a 15\u2009sec frame length with the augmented multiband approach.<\/jats:p>","DOI":"10.1155\/2020\/8849845","type":"journal-article","created":{"date-parts":[[2020,10,18]],"date-time":"2020-10-18T00:50:14Z","timestamp":1602982214000},"page":"1-14","source":"Crossref","is-referenced-by-count":10,"title":["A Nonfiducial PPG-Based Subject Authentication Approach Using the Statistical Features of DWT-Based Filtered Signals"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0924-1746","authenticated-orcid":true,"given":"Turky N.","family":"Alotaiby","sequence":"first","affiliation":[{"name":"KACST, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fatima","family":"Aljabarti","sequence":"additional","affiliation":[{"name":"Prince Sultan University, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gaseb","family":"Alotibi","sequence":"additional","affiliation":[{"name":"Public Security, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Saleh A.","family":"Alshebeili","sequence":"additional","affiliation":[{"name":"Department of Elect. 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