{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T15:32:06Z","timestamp":1776699126411,"version":"3.51.2"},"reference-count":64,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,12,9]],"date-time":"2021-12-09T00:00:00Z","timestamp":1639008000000},"content-version":"vor","delay-in-days":342,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004703","name":"Guangxi University for Nationalities","doi-asserted-by":"publisher","award":["2021KY0617"],"award-info":[{"award-number":["2021KY0617"]}],"id":[{"id":"10.13039\/501100004703","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Computational Intelligence and Neuroscience"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p>Fetal movement is an important clinical indicator to assess fetus growth and development status in the uterus. In recent years, a noninvasive intelligent sensing fetal movement detection system that can monitor high\u2010risk pregnancies at home has received a lot of attention in the field of wearable health monitoring. However, recovering fetal movement signals from a continuous low\u2010amplitude background that is heavily contaminated with noise and recognizing real fetal movements is a challenging task. In this paper, fetal movement can be efficiently recognized by combining the strength of Kalman filtering, time and frequency domain and wavelet domain feature extraction, and hyperparameter tuned Light Gradient Boosting Machine (LightGBM) model. Firstly, the Kalman filtering (KF) algorithm is used to recover the fetal movement signal in a continuous low\u2010amplitude background contaminated by noise. Secondly, the time domain, frequency domain, and wavelet domain (TFWD) features of the preprocessed fetal movement signal are extracted. Finally, the Bayesian Optimization algorithm (BOA) is used to optimize the LightGBM model to obtain the optimal hyperparameters. Through this, the accurate prediction and recognition of fetal movement are successfully achieved. In the performance analysis of the Zenodo fetal movement dataset, the proposed KF\u2009+\u2009TFWD\u2009+\u2009BOA\u2010LGBM approach\u2019s recognition accuracy and F1\u2010Score reached 94.06% and 96.85%, respectively. Compared with 8 existing advanced methods for fetal movement signal recognition, the proposed method has better accuracy and robustness, indicating its potential medical application in wearable smart sensing systems for fetal prenatal health monitoring.<\/jats:p>","DOI":"10.1155\/2021\/6252362","type":"journal-article","created":{"date-parts":[[2021,12,10]],"date-time":"2021-12-10T02:35:09Z","timestamp":1639103709000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Passive Fetal Movement Recognition Approaches Using Hyperparameter Tuned LightGBM Model and Bayesian Optimization"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7567-1074","authenticated-orcid":false,"given":"Sensong","family":"Liang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4013-4508","authenticated-orcid":false,"given":"Jiansheng","family":"Peng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong","family":"Xu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1084-1968","authenticated-orcid":false,"given":"Hemin","family":"Ye","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,12,9]]},"reference":[{"key":"e_1_2_9_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/s0140-6736(15)00837-5"},{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/heapol\/czab010"},{"key":"e_1_2_9_3_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-021-03652-5"},{"key":"e_1_2_9_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.mehy.2017.12.024"},{"key":"e_1_2_9_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.mehy.2014.07.009"},{"key":"e_1_2_9_6_2","first-page":"49","article-title":"Fetal movements in utero: nature, assessment, prognostic value, timing of delivery","volume":"50","author":"Sadovsky E.","year":"1977","journal-title":"Obstetrics & Gynecology"},{"key":"e_1_2_9_7_2","first-page":"220a","article-title":"Clinical inquiries: do abnormal fetal kick counts predict intrauterine death in average-risk pregnancies?","volume":"58","author":"Darby-Stewart A. 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