{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T01:38:38Z","timestamp":1760233118836,"version":"build-2065373602"},"reference-count":24,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2022,12,21]],"date-time":"2022-12-21T00:00:00Z","timestamp":1671580800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["61722103","62173019","61973020","61873019","4222047"],"award-info":[{"award-number":["61722103","62173019","61973020","61873019","4222047"]}]},{"name":"Beijing Natural Science Foundation","award":["61722103","62173019","61973020","61873019","4222047"],"award-info":[{"award-number":["61722103","62173019","61973020","61873019","4222047"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The airborne array position and orientation measurement system (array POS) is a key device for high-resolution multi-dimensional real-time imaging motion compensation of military reconnaissance mapping. Abnormal values will appear in array POS inertial devices and measurement data in an environment of strong interference, which often leads to a decrease or even divergence in the combination accuracy. The existing detection methods based on innovation characteristics are only sensitive to measurement outliers, which are the abnormal data caused by the strong interference environment. In this paper, an improved innovation robust outliers detection method is proposed, which is valid for both measurement outliers and inertial device outliers. First, the improved outliers detection method based on the innovation of array POS is described. The gain matrix is adaptively adjusted by using the statistical characteristics of innovation. At the same time, the information distribution coefficient is adaptively adjusted by using the filtering performance of the sub filter, which realizes the detection and correction of measurement outliers. Then, the outlier detection method of inertial devices based on extrapolation prediction is added. The predicted value of the inertial device is extrapolated by the fourth-order difference method, and the outliers are recognized and eliminated by the adaptive threshold, which contributes to improving the robustness and accuracy of array POS. STD is selected in this paper to statistic the accuracy of array POS. Compared with the traditional federated Kalman filtering (KFK) methods, the accuracies of position, speed, heading angle and horizontal attitude angle of the left node and right node are all improved when there are outliers in the measurement data. Compared with the fault-tolerant federated combination method based on innovation characteristics, the accuracies of position, speed, heading angle and horizontal attitude angle of the left node and right node are all improved when there are abnormal values in the inertial device data.<\/jats:p>","DOI":"10.3390\/rs15010026","type":"journal-article","created":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T02:06:14Z","timestamp":1671674774000},"page":"26","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["An Improved Innovation Robust Outliers Detection Method for Airborne Array Position and Orientation Measurement System"],"prefix":"10.3390","volume":"15","author":[{"given":"Bao","family":"Junfang","sequence":"first","affiliation":[{"name":"School of Instrumentation Science and Optoelectronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China"},{"name":"Hangzhou Innovation Institute, Beihang University, Hangzhou 310051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6295-4908","authenticated-orcid":false,"given":"Li","family":"Jianli","sequence":"additional","affiliation":[{"name":"School of Instrumentation Science and Optoelectronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China"},{"name":"Hangzhou Innovation Institute, Beihang University, Hangzhou 310051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Mengdi","sequence":"additional","affiliation":[{"name":"School of Instrumentation Science and Optoelectronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qu","family":"Chunyu","sequence":"additional","affiliation":[{"name":"School of Instrumentation Science and Optoelectronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China"},{"name":"Hangzhou Innovation Institute, Beihang University, Hangzhou 310051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Qu, C., Li, J., Bao, J., and Zhu, Z. 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