{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T17:04:29Z","timestamp":1775840669729,"version":"3.50.1"},"reference-count":34,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2018,9,28]],"date-time":"2018-09-28T00:00:00Z","timestamp":1538092800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"the National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["No.51679181"],"award-info":[{"award-number":["No.51679181"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Major Project of Technological Innovation in Hubei Province","award":["No.2016AAA007"],"award-info":[{"award-number":["No.2016AAA007"]}]},{"name":"the Science-technology Funds for Overseas Chinese Talents of Hubei Province","award":["No.2016-12"],"award-info":[{"award-number":["No.2016-12"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Self-localization is a crucial task for intelligent vehicles. Existing localization methods usually require high-cost IMU (Inertial Measurement Unit) or expensive LiDAR sensors (e.g., Velodyne HDL-64E). In this paper, we propose a low-cost yet accurate localization solution by using a custom-level GPS receiver and a low-cost camera with the support of HD map. Unlike existing HD map-based methods, which usually requires unique landmarks within the sensed range, the proposed method utilizes common lane lines for vehicle localization by using Kalman filter to fuse the GPS, monocular vision, and HD map for more accurate vehicle localization. In the Kalman filter framework, the observations consist of two parts. One is the raw GPS coordinate. The other is the lateral distance between the vehicle and the lane, which is computed from the monocular camera. The HD map plays the role of providing reference position information and correlating the local lateral distance from the vision and the GPS coordinates so as to formulate a linear Kalman filter. In the prediction step, we propose using a data-driven motion model rather than a Kinematic model, which is more adaptive and flexible. The proposed method has been tested with both simulation data and real data collected in the field. The results demonstrate that the localization errors from the proposed method are less than half or even one-third of the original GPS positioning errors by using low cost sensors with HD map support. Experimental results also demonstrate that the integration of the proposed method into existing ones can greatly enhance the localization results.<\/jats:p>","DOI":"10.3390\/s18103270","type":"journal-article","created":{"date-parts":[[2018,9,28]],"date-time":"2018-09-28T10:31:28Z","timestamp":1538130688000},"page":"3270","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":59,"title":["Integration of GPS, Monocular Vision, and High Definition (HD) Map for Accurate Vehicle Localization"],"prefix":"10.3390","volume":"18","author":[{"given":"Hao","family":"Cai","sequence":"first","affiliation":[{"name":"School of Computer Science and Technology, Wuhan University of Technology, Wuhan 430063, China"},{"name":"ITS Research Center, Wuhan University of Technology, Wuhan 430063, China"}]},{"given":"Zhaozheng","family":"Hu","sequence":"additional","affiliation":[{"name":"ITS Research Center, Wuhan University of Technology, Wuhan 430063, China"}]},{"given":"Gang","family":"Huang","sequence":"additional","affiliation":[{"name":"ITS Research Center, Wuhan University of Technology, Wuhan 430063, China"}]},{"given":"Dunyao","family":"Zhu","sequence":"additional","affiliation":[{"name":"ITS Research Center, Wuhan University of Technology, Wuhan 430063, China"}]},{"given":"Xiaocong","family":"Su","sequence":"additional","affiliation":[{"name":"Kotei Technology Company, Wuhan 430200, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,9,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1177\/1550147716665500","article-title":"Internet of vehicles: from intelligent grid to autonomous cars and vehicular fogs","volume":"12","author":"Lee","year":"2016","journal-title":"Int. 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