Synthetic Aperture Radar Images Target Detection and Recognition with Multiscale Feature Extraction and Fusion Based on Convolutional Neural Networks

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In order to improve the precision of target detection and recognition for synthetic aperture radar (SAR) images, in this paper, we proposed the multiscale feature extraction and fusion method for SAR images based on the convolutional neural networks. We constructed training and testing data based on the MSTAR dataset. Since there are not enough SAR image data, we used image processing methods to do the data augmentation. In order to improve the accuracy of target detection, we also used the method of transfer learning. Eventually we trained and tested the model on a small data set, the final mAP reached 96.58%, a relatively high score which proved the effectiveness of multiscale feature extraction and fusion. In order to better understand the principle of this technology, we also did some visualization analysis for the feature maps. This proved the reliability of the method.

Original languageEnglish
Title of host publicationICSIDP 2019 - IEEE International Conference on Signal, Information and Data Processing 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728123455
DOIs
StatePublished - Dec 2019
Event2019 IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2019 - Chongqing, China
Duration: 11 Dec 201913 Dec 2019

Publication series

NameICSIDP 2019 - IEEE International Conference on Signal, Information and Data Processing 2019

Conference

Conference2019 IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2019
Country/TerritoryChina
CityChongqing
Period11/12/1913/12/19

Keywords

  • convolutional neural networks
  • deep learning
  • feature visualization
  • multiscale feature extraction and fusion
  • synthetic aperture radar
  • target detection

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