[1]YIN Hui,GU Feng.A method of extracting aircraft target?based on the frequency domain feature[J].CAAI Transactions on Intelligent Systems,2013,8(5):459-464.[doi:10.3969/j.issn.1673-4785.201304035]
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A method of extracting aircraft target?based on the frequency domain feature

CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume: 8 Number of periods: 2013 5 Page number: 459-464 Column: 学术论文—机器感知与模式识别 Public date: 2013-10-25
Title:
A method of extracting aircraft target?based on the frequency domain feature
Author(s):
YIN Hui;  GU Feng
Department of Aviation and Spaceflight Intelligence, Aviation University of Air Force, Changchun 130022, China
Keywords:
frequency domain feature;  aircraft;  target extraction;  frequency spectrum analysis;  Gabor filter banks;  salient image
CLC:
TP753
DOI:
10.3969/j.issn.1673-4785.201304035
Abstract:
Focusing on the positioning and extraction of the intelligent interpretation in the military remote sensing image, prior knowledge is introduced into the target extraction process, so as to propose an aircraft target extraction method based on the frequency domain feature. In this method, by drafting the target circumference profile, the two-dimensional image signal is simplified into the one-dimensional signal, the harmonic superposition principle on the energy of frequency spectrum is applied to frequency spectrum analysis of aircraft shape, so as to determine the natural frequency of the target outline; then, by the design of multi-scale Gabor filter banks, the texture feature diagram on the image is extracted, and by combination of feature diagrams, a target salient image is formed; finally, the method of mathematical morphology is used to process the target salient image, obtaining the final target extraction result. The experimental results show that, in comparison with the visual saliency target detection method without prior knowledge, the method has powerful anti-disturbance ability, it may extract the target domain clearly, accurately and completely, and it is a kind of effective aircraft target extraction method.
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