{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T11:58:56Z","timestamp":1769169536930,"version":"3.49.0"},"reference-count":31,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100002491","name":"Hansung University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002491","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Instrum. Meas."],"published-print":{"date-parts":[[2021]]},"DOI":"10.1109\/tim.2021.3049248","type":"journal-article","created":{"date-parts":[[2021,1,5]],"date-time":"2021-01-05T20:40:05Z","timestamp":1609879205000},"page":"1-8","source":"Crossref","is-referenced-by-count":8,"title":["Pedestrian Travel Distance Estimation Using Optical Flow and Smartphone Sensors"],"prefix":"10.1109","volume":"70","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3113-4127","authenticated-orcid":false,"given":"Jongtaek","family":"Oh","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8327-2778","authenticated-orcid":false,"given":"Joil","family":"Han","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref31","first-page":"119","article-title":"A study on step number detection using smartphone sensors for position tracking","volume":"18","author":"lee","year":"2018","journal-title":"J Inst Internet Broadcast Commun"},{"key":"ref30","author":"jepson","year":"2012","journal-title":"Rotation in 3D Using OpenCV’s Warpperspective"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-84882-935-0"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-44941-8"},{"key":"ref12","article-title":"Camera-aided inertial navigation for unmanned aerial vehicles using non-linear observers","author":"fusini","year":"2017"},{"key":"ref13","article-title":"Vision-based navigation system for unmanned aerial vehicles","author":"al-kaff","year":"2017"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1080\/10095020.2017.1420509"},{"key":"ref15","article-title":"Evolution of visual odometry techniques","author":"poddar","year":"2018","journal-title":"arXiv 1804 11142"},{"key":"ref16","first-page":"534","article-title":"Vision-aided IMU for handheld pedestrian navigation","volume":"2","author":"hide","year":"2010","journal-title":"Proc 23rd Int Conf GNSS"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.5081\/jgps.10.1.3"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1177\/0278364913481251"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/ICRA.2013.6631248"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-54413-7_11"},{"key":"ref4","first-page":"1","volume":"2","author":"weinberg","year":"2002","journal-title":"Using the ADXL202 in Pedometer and Personal Navigation Applications"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.3390\/s16030372"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.3390\/s141222864"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijleo.2018.06.069"},{"key":"ref29","first-page":"38","author":"bose","year":"2014","journal-title":"Fundamentals of Navigation and Inertial Sensors"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.3390\/s16091423"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2019.2910923"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1016\/j.measurement.2015.07.020"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2015.2510364"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-12-386908-1.00019-7"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.3390\/educsci5010026"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2015.2464696"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/OPTIM.2012.6231975"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.3390\/s17040704"},{"key":"ref24","first-page":"112","author":"kim","year":"2011","journal-title":"Kalman Filters for Beginners With MATLAB Examples"},{"key":"ref23","first-page":"133","article-title":"A study on smartphone indoor navigation technology using extended Kalman filter","volume":"19","author":"do","year":"2019","journal-title":"J Inst Internet Broadcast Commun"},{"key":"ref26","first-page":"493","author":"kaehler","year":"2017","journal-title":"Open Learning"},{"key":"ref25","first-page":"71","article-title":"A study on the estimation of smartphone movement distance using optical flow technology on a limited screen","volume":"19","author":"jung","year":"2019","journal-title":"J Inst Internet Broadcast Commun"}],"container-title":["IEEE Transactions on Instrumentation and Measurement"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/19\/9259274\/09314258.pdf?arnumber=9314258","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:51:16Z","timestamp":1652194276000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9314258\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021]]},"references-count":31,"URL":"https:\/\/doi.org\/10.1109\/tim.2021.3049248","relation":{},"ISSN":["0018-9456","1557-9662"],"issn-type":[{"value":"0018-9456","type":"print"},{"value":"1557-9662","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021]]}}}