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This approach allows for the stable calculation of key parameters (course, angular velocity, deviation from the route) and detection of local changes in movement complexity that are not recorded by classical methods. The fractal indicators used (Higuchi, Katz, Petrosyan, DFA dimensions) demonstrate high reproducibility and resistance to typical navigation data shortcomings. The proposed framework is primarily intended for onboard and post-voyage analysis, supporting navigational performance assessment, trajectory reconstruction, and detailed investigation of vessel motion dynamics based on the records from AIS and ECDIS.<\/jats:p>","DOI":"10.3390\/digital6010011","type":"journal-article","created":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T09:15:12Z","timestamp":1770801312000},"page":"11","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["A Unified Fractal Processing Framework for Normalized AIS and ECDIS Ship Trajectories"],"prefix":"10.3390","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5067-9766","authenticated-orcid":false,"given":"Pavlo","family":"Nosov","sequence":"first","affiliation":[{"name":"Odesa National Maritme University, Mechnikov 34, 65029 Odessa, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9228-8459","authenticated-orcid":false,"given":"Oleksiy","family":"Melnyk","sequence":"additional","affiliation":[{"name":"Odesa National Maritme University, Mechnikov 34, 65029 Odessa, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4075-5112","authenticated-orcid":false,"given":"Mykola","family":"Malaksiano","sequence":"additional","affiliation":[{"name":"Odesa National Maritme University, Mechnikov 34, 65029 Odessa, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0574-1951","authenticated-orcid":false,"given":"Oleksandr","family":"Shumylo","sequence":"additional","affiliation":[{"name":"Odesa National Maritme University, Mechnikov 34, 65029 Odessa, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3766-3188","authenticated-orcid":false,"given":"Oleg","family":"Onishchenko","sequence":"additional","affiliation":[{"name":"National University \u201cOdesa Maritime Academy\u201d, Didrikhson 8, 65052 Odessa, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9174-3683","authenticated-orcid":false,"given":"Volodymyr","family":"Yarovenko","sequence":"additional","affiliation":[{"name":"Odesa National Maritme University, Mechnikov 34, 65029 Odessa, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5012-5029","authenticated-orcid":false,"given":"Serhii","family":"Zinchenko","sequence":"additional","affiliation":[{"name":"Kherson State Maritime Academy, Ushakov 20, 73000 Kherson, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1663-111X","authenticated-orcid":false,"given":"Ihor","family":"Popovych","sequence":"additional","affiliation":[{"name":"Kherson State University, Universytetska 27, 73003 Kherson, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,2,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Aloshan, M.A., and Sanad, E.M. 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