{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T02:40:42Z","timestamp":1747190442291,"version":"3.40.5"},"reference-count":36,"publisher":"Wiley","license":[{"start":{"date-parts":[[2021,12,3]],"date-time":"2021-12-03T00:00:00Z","timestamp":1638489600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scientific Programming"],"published-print":{"date-parts":[[2021,12,3]]},"abstract":"<jats:p>Aiming at the problems of poor image tracking effect, low precision, and long time in the process of image tracking of volleyball player\u2019s arm hitting, a volleyball player's arm hitting image tracking method based on D-P algorithm is proposed. This paper analyzes the basic concept, basic principle, and basic equation of D-P algorithm and collects the arm stroke trajectory image of volleyball players under the three-dimensional visual model. Using wavelet multiscale decomposition method, the arm stroke trajectory of volleyball players is filtered, and the edge contour feature points of the arm stroke image of volleyball players are extracted. Using the gray histogram feature extraction method, the gray information of volleyball player's arm hitting trajectory image is enhanced. Combined with pixel adaptive enhancement technology, the key action feature points of volleyball player's arm hitting image trajectory are located. Based on D-P algorithm, the volleyball player's arm hitting image trajectory is adjusted and modified to realize the correct tracking of volleyball player's arm hitting image trajectory. The experimental results show that the trajectory tracking effect of volleyball player's arm hitting image is better, which can effectively improve the tracking accuracy and shorten the tracking time.<\/jats:p>","DOI":"10.1155\/2021\/4848036","type":"journal-article","created":{"date-parts":[[2021,12,3]],"date-time":"2021-12-03T22:05:22Z","timestamp":1638569122000},"page":"1-9","source":"Crossref","is-referenced-by-count":1,"title":["Trajectory Tracking Method of Volleyball Player\u2019s Arm Hitting Image Based on D-P Algorithm"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5038-6632","authenticated-orcid":true,"given":"Hao","family":"Qin","sequence":"first","affiliation":[{"name":"Taiji Martial Arts Institute of Jiaozuo University, Jiaozuo, Henan 454000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/j.micpro.2020.103654"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1007\/s11018-021-01877-6"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1007\/s10489-019-01584-4"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1007\/s11548-020-02203-1"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1016\/j.micpro.2020.103750"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvcir.2019.102681"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1016\/j.micpro.2021.104020"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcp.2020.109664"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1109\/tac.2019.2937853"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1016\/j.cie.2021.107330"},{"article-title":"Pika parsing: reformulating packrat parsing as a dynamic programming algorithm solves the left recursion and error recovery problems","year":"2020","author":"L. 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