{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T10:42:41Z","timestamp":1740134561998,"version":"3.37.3"},"reference-count":15,"publisher":"Wiley","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"name":"Foundation of Sichuan University Early Career Researcher Award","award":["2012SCU11070","2012SCU11036","2012RZ0005"],"award-info":[{"award-number":["2012SCU11070","2012SCU11036","2012RZ0005"]}]},{"name":"Foundation of Sichuan University Early Career Researcher Award","award":["2012SCU11070","2012SCU11036","2012RZ0005"],"award-info":[{"award-number":["2012SCU11070","2012SCU11036","2012RZ0005"]}]},{"name":"Plan for Science & Technology Support of Sichuan Province","award":["2012SCU11070","2012SCU11036","2012RZ0005"],"award-info":[{"award-number":["2012SCU11070","2012SCU11036","2012RZ0005"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Mathematics"],"published-print":{"date-parts":[[2013]]},"abstract":"<jats:p>This paper introduces a method for human action recognition based on optical flow motion features extraction. Automatic spatial and temporal alignments are combined together in order to encourage the temporal consistence on each action by an enhanced dynamic time warping (DTW) algorithm. At the same time, a fast method based on coarse-to-fine DTW constraint to improve computational performance without reducing accuracy is induced. The main contributions of this study include (1) a joint spatial-temporal multiresolution optical flow computation method which can keep encoding more informative motion information than recent proposed methods, (2) an enhanced DTW method to improve temporal consistence of motion in action recognition, and (3) coarse-to-fine DTW constraint on motion features pyramids to speed up recognition performance. Using this method, high recognition accuracy is achieved on different action databases like Weizmann database and KTH database.<\/jats:p>","DOI":"10.1155\/2013\/605469","type":"journal-article","created":{"date-parts":[[2013,6,4]],"date-time":"2013-06-04T17:41:22Z","timestamp":1370367682000},"page":"1-9","source":"Crossref","is-referenced-by-count":4,"title":["Action Recognition by Joint Spatial-Temporal Motion Feature"],"prefix":"10.1155","volume":"2013","author":[{"given":"Weihua","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Computer Science, Sichuan University, Chengdu 610065, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5573-4368","authenticated-orcid":true,"given":"Yi","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Computer Science, Sichuan University, Chengdu 610065, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chaobang","family":"Gao","sequence":"additional","affiliation":[{"name":"College of Information Science and Technology, Chengdu University, Chengdu 610106, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiliu","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Computer Science, Sichuan University, Chengdu 610065, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2007.70711"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/34.868681"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1007\/s001380100064"},{"issue":"1","key":"8","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1007\/s11263-012-0532-9","volume":"100","year":"2012","journal-title":"International Journal of Computer Vision"},{"issue":"3","key":"9","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1109\/TPAMI.2011.147","volume":"34","year":"2012","journal-title":"IEEE Transactions on Pattern Analysis and Machine Intelligence"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1109\/TIP.2010.2076821"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1016\/j.imavis.2009.11.014"},{"key":"18","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2007.1119"},{"issue":"1","key":"23","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1109\/TASSP.1978.1163055","volume":"26","year":"1978","journal-title":"IEEE Transactions on Acoustics, Speech, and Signal Processing"},{"issue":"1","key":"24","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1109\/TASSP.1975.1162641","volume":"23","year":"1975","journal-title":"IEEE Transactions on Speech and Signal Processing"},{"key":"25","doi-asserted-by":"publisher","DOI":"10.1006\/cbmr.1994.1006"},{"issue":"4","key":"27","doi-asserted-by":"crossref","first-page":"532","DOI":"10.1109\/TCOM.1983.1095851","volume":"31","year":"1983","journal-title":"IEEE Transactions on Communications"},{"key":"28","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2008.924983"},{"issue":"1","key":"29","volume":"14","year":"2012","journal-title":"Journal of Optics"},{"issue":"9","key":"30","volume":"51","year":"2012","journal-title":"Optical Engineering"}],"container-title":["Journal of Applied Mathematics"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/jam\/2013\/605469.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/jam\/2013\/605469.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/jam\/2013\/605469.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,21]],"date-time":"2017-06-21T10:09:37Z","timestamp":1498039777000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/jam\/2013\/605469\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013]]},"references-count":15,"alternative-id":["605469","605469"],"URL":"https:\/\/doi.org\/10.1155\/2013\/605469","relation":{},"ISSN":["1110-757X","1687-0042"],"issn-type":[{"type":"print","value":"1110-757X"},{"type":"electronic","value":"1687-0042"}],"subject":[],"published":{"date-parts":[[2013]]}}}