<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The small far infrared target of ship in surge interference is easy to have visual deviation causing the low accuracy of target positioning and the bad target identification performance. In order to improve the accuracy of far small infrared targets recognition of ship under surge interference, this paper proposed far small infrared target recognition algorithm of ship based on distributed target position estimation and DOA location in computer vision model for constructing coherent distributed source array model of far small infrared target distribution of ship. This algorithm used MUSIC algorithm for the beamforming processing of far small infrared target echo model of ship. Combined with the adaptive filtering algorithm we carried out the surge interference suppression and the estimation of central direction of arrival and angle spread of far small infrared target of ship through multidimensional spectrum peak searching algorithm, realizing the joint estimation of distance of ship target, DOA and frequency parameters, so as to realize the accurate positioning and recognition of targets. Simulation results show that using this method for the far small infrared target recognition of ship under surge interference, the spectral peak sharpness of spectral peak search of target position is high, side-lobe suppression performance is good, which shows the high accuracy of target position estimation and location, the accuracy and anti-interference performance of far small infrared target recognition of ship is good, and has superior performance.</p></abstract>

The small far infrared target of ship in surge interference is easy to have visual deviation causing the low accuracy of target positioning and the bad target identification performance. In order to improve the accuracy of far small infrared targets recognition of ship under surge interference, this paper proposed far small infrared target recognition algorithm of ship based on distributed target position estimation and DOA location in computer vision model for constructing coherent distributed source array model of far small infrared target distribution of ship. This algorithm used MUSIC algorithm for the beamforming processing of far small infrared target echo model of ship. Combined with the adaptive filtering algorithm we carried out the surge interference suppression and the estimation of central direction of arrival and angle spread of far small infrared target of ship through multidimensional spectrum peak searching algorithm, realizing the joint estimation of distance of ship target, DOA and frequency parameters, so as to realize the accurate positioning and recognition of targets. Simulation results show that using this method for the far small infrared target recognition of ship under surge interference, the spectral peak sharpness of spectral peak search of target position is high, side-lobe suppression performance is good, which shows the high accuracy of target position estimation and location, the accuracy and anti-interference performance of far small infrared target recognition of ship is good, and has superior performance.

Application of Computer Identification and Location Algorithm in Small far Infrared Target Recognition of Ship Under Surge Interference

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The small far infrared target of ship in surge interference is easy to have visual deviation causing the low accuracy of target positioning and the bad target...

Application of Computer Identification and Location Algorithm in Small far Infrared Target Recognition of Ship Under Surge Interference

Article Category: Special Issue Title: Marine Processes Studies And Marine Engineering

Published Online: Nov 22, 2017

Page range: 171 - 181

DOI: https://doi.org/10.1515/pomr-2017-0120

Keywords
Computer identification, Target position estimation, Location, Ship, Infrared target, Surge interference

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Application of Computer Identification and Location Algorithm in Small far Infrared Target Recognition of Ship Under Surge Interference

Article Category: Special Issue Title: Marine Processes Studies And Marine Engineering

Published Online: Nov 22, 2017

Page range: 171 - 181

DOI: https://doi.org/10.1515/pomr-2017-0120

KeywordsComputer identification, Target position estimation, Location, Ship, Infrared target, Surge interference

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Computer identification, Target position estimation, Location, Ship, Infrared target, Surge interference