An Orthonormalized Basis Function based narrowband filtering algorithm for Magnetic Anomaly Detection

Xin Zheng, Qingfeng Xu, Qingli Li, Xingliang Hu

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

13 Scopus citations

Abstract

Countries around the world have paid more and more attention to Magnetic Anomaly Detection (MAD), which is used to detect some magnetic substance. The Orthonormalized Basis Function (OBF) algorithm is a kind of effective method to detect the target signal embedded in the background noise. But in the case that the OBF algorithm does not work well in non-Gaussian noise, an improved algorithm is proposed to enhance the detection capability in this paper. Firstly, a narrowband FIR filter is designed to filter the signal out of the frequency band of the target signal according to the spectrum characteristics of the original signal. Then the filtered signal is decomposed by the OBF algorithm. And the experiment results show that The OBF based on narrowband filtering algorithm can increase the Signal to Noise Ratio (SNR) and enhance the accuracy of the target signal detection. Compared to using the traditional OBF algorithm directly, the improved method has better ability to detect magnetic objects.

Original languageEnglish
Title of host publicationProceedings - 2016 9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages119-123
Number of pages5
ISBN (Electronic)9781509037100
DOIs
StatePublished - 13 Feb 2017
Event9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2016 - Datong, China
Duration: 15 Oct 201617 Oct 2016

Publication series

NameProceedings - 2016 9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2016

Conference

Conference9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2016
Country/TerritoryChina
CityDatong
Period15/10/1617/10/16

Keywords

  • MAD
  • OBF
  • SNR
  • narrowband filter

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