{"title":"阈值对水面舰船轨迹压缩滑动窗口算法的影响","authors":"Hua Li, Xiaojun Zhang","doi":"10.1145/3558819.3565180","DOIUrl":null,"url":null,"abstract":"The influence of vertical Euclidean distance on the compression effect was analyzed when Sliding Window algorithm was used to compress the surface-ship trajectory data. The optimum distance threshold was selected by analyzing the influence of compression ratio, compression complexity and compression errors. According to the disadvantage of fixed distance threshold, an adaptive threshold Sliding Window algorithm was proposed. The algorithm could adjust the distance threshold adaptively according to the characteristics of the surface-ship trajectory data so as to reduce the compression errors. The experimental results showed that the proposed adaptive threshold Sliding Window algorithm can greatly reduce the compression errors which were only one fifth of those in the Sliding Window algorithm with fixed threshold.","PeriodicalId":373484,"journal":{"name":"Proceedings of the 7th International Conference on Cyber Security and Information Engineering","volume":"165 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The Influence of Threshold on Sliding Window Algorithm for Surface-Ship Trajectory Compression\",\"authors\":\"Hua Li, Xiaojun Zhang\",\"doi\":\"10.1145/3558819.3565180\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The influence of vertical Euclidean distance on the compression effect was analyzed when Sliding Window algorithm was used to compress the surface-ship trajectory data. The optimum distance threshold was selected by analyzing the influence of compression ratio, compression complexity and compression errors. According to the disadvantage of fixed distance threshold, an adaptive threshold Sliding Window algorithm was proposed. The algorithm could adjust the distance threshold adaptively according to the characteristics of the surface-ship trajectory data so as to reduce the compression errors. The experimental results showed that the proposed adaptive threshold Sliding Window algorithm can greatly reduce the compression errors which were only one fifth of those in the Sliding Window algorithm with fixed threshold.\",\"PeriodicalId\":373484,\"journal\":{\"name\":\"Proceedings of the 7th International Conference on Cyber Security and Information Engineering\",\"volume\":\"165 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-09-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 7th International Conference on Cyber Security and Information Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/3558819.3565180\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 7th International Conference on Cyber Security and Information Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/3558819.3565180","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Influence of Threshold on Sliding Window Algorithm for Surface-Ship Trajectory Compression
The influence of vertical Euclidean distance on the compression effect was analyzed when Sliding Window algorithm was used to compress the surface-ship trajectory data. The optimum distance threshold was selected by analyzing the influence of compression ratio, compression complexity and compression errors. According to the disadvantage of fixed distance threshold, an adaptive threshold Sliding Window algorithm was proposed. The algorithm could adjust the distance threshold adaptively according to the characteristics of the surface-ship trajectory data so as to reduce the compression errors. The experimental results showed that the proposed adaptive threshold Sliding Window algorithm can greatly reduce the compression errors which were only one fifth of those in the Sliding Window algorithm with fixed threshold.
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