Publisher : The Korean Institute of Information and Commucation Engineering
DOI : 10.6109/jkiice.2016.20.3.519
Title & Authors
Performance Comparison of Wave Information Retrieval Algorithms Based on 3D Image Analysis Using VTS Sensor Ryu, Joong-seon; Lim, Dong-hee; Kim, Jin-soo; Lee, Byung-Gil;
As marine accidents happen frequently, it is required to establish a marine traffic monitoring system, which is designed to improve the safety and efficiency of navigation in VTS (Vessel Traffic Service). For this aim, recently, X-band marine radar is used for extracting the sea surface information and, it is necessary to retrieve wave information correctly and provide for the safe and efficient movement of vessel traffic within the VTS area. In this paper, three different current estimation algorithms including the classical least-squares (LS) fitting, a modified iterative least-square fitting routine and a normalized scalar product of variable current velocities are compared with buoy data and then, the iterative least-square method is modified to estimate wave information by improving the initial current velocity. Through several simulations with radar signals, it is shown that the proposed method is effective in retrieving the wave information compared to the conventional methods.
Wave Information Estimation and Revision Using Linear Regression Model, Journal of Korea Multimedia Society, 2016, 19, 8, 1377
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