{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T23:49:35Z","timestamp":1762300175153,"version":"build-2065373602"},"reference-count":31,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2022,9,3]],"date-time":"2022-09-03T00:00:00Z","timestamp":1662163200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Thirteen-Five Equipment Pre-Research Foundation of China","award":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"],"award-info":[{"award-number":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"]}]},{"DOI":"10.13039\/501100012130","name":"Aeronautical Science Foundation of China","doi-asserted-by":"publisher","award":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"],"award-info":[{"award-number":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"]}],"id":[{"id":"10.13039\/501100012130","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Natural Science Foundation of Henan Province, China","award":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"],"award-info":[{"award-number":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"]}]},{"name":"Science and Technology Innovative Talents in Universities of Henan Province","award":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"],"award-info":[{"award-number":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"]}]},{"name":"Young Backbone Teachers in Universities of Henan Province","award":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"],"award-info":[{"award-number":["61403120207","20185142003","222300420433","21HASTIT030","2020GGJS073"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Maneuvering extended object tracking is a new research field due to the rapid development of modern sensor technology. Multiple measurements may be resolved from different unknown sources on an object by using a high-resolution radar. In this case, the object should be regarded as an extended one with object extension, e.g., its shape may be described by the star-convex random hypersurface model. This model is usually specified by a one-dimensional radial function. However, the divergence of the shape estimation and a high error of the kinematic state estimation are likely to occur when an extended object maneuvers. This is because the radial function may take a negative value after Fourier series expansion, which leads to unpredictable estimation results. Unfortunately, the model itself is unable to solve this problem via the subsequent iterations. In this paper, we proposed a modified shape estimation approach to track an extended object with a star-convex random hypersurface model based on minimum cosine distance. Both the extension state and kinematic state at the current time are reinitialized once the radial function takes a negative value. Moreover, a mathematical model was constructed by using the principle of minimum cosine distance, so as to obtain more reasonable weight distribution coefficients for the correction of the extension state. Simulation results in different scenarios demonstrated the effectiveness of the proposed tracking approach.<\/jats:p>","DOI":"10.3390\/rs14174376","type":"journal-article","created":{"date-parts":[[2022,9,8]],"date-time":"2022-09-08T04:18:32Z","timestamp":1662610712000},"page":"4376","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Maneuvering Extended Object Tracking with Modified Star-Convex Random Hypersurface Model Based on Minimum Cosine Distance"],"prefix":"10.3390","volume":"14","author":[{"given":"Lifan","family":"Sun","sequence":"first","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471023, China"},{"name":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"}]},{"given":"Jinjin","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471023, China"}]},{"given":"Haofang","family":"Yu","sequence":"additional","affiliation":[{"name":"School of Automation, Nanjing University of Technology, Nanjing 210094, China"}]},{"given":"Zhumu","family":"Fu","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471023, China"}]},{"given":"Zishu","family":"He","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Fiscante, N., Addabbo, P., Clemente, C., Biondi, F., Giunta, G., and Orlando, D. 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