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Open AccessArticle

Edge Detection Algorithm of a Symmetric Difference Kernel SAR Image Based on the GAN Network Model

1
School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
2
Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
3
Graduate School of Integrated Basic Science, Nihon University, Tokyo 156-8550, Japan
*
Author to whom correspondence should be addressed.
Symmetry 2019, 11(4), 557; https://doi.org/10.3390/sym11040557
Received: 15 March 2019 / Revised: 2 April 2019 / Accepted: 3 April 2019 / Published: 17 April 2019
(This article belongs to the Special Issue New Trends in Dynamics)
The symmetrical difference kernel SAR image edge detection algorithm based on the Canny operator can usually achieve effective edge detection of a single view image. When detecting a multi-view SAR image edge, it has the disadvantage of a low detection accuracy. An edge detection algorithm for a symmetric difference nuclear SAR image based on the GAN network model is proposed. Multi-view data of a symmetric difference nuclear SAR image are generated by the GAN network model. According to the results of multi-view data generation, an edge detection model for an arbitrary direction symmetric difference nuclear SAR image is constructed. A non-edge is eliminated by edge post-processing. The Hough transform is used to calculate the edge direction to realize the accurate detection of the edge of the SAR image. The experimental results show that the average classification accuracy of the proposed algorithm is 93.8%, 96.85% of the detection edges coincide with the correct edges, and 97.08% of the detection edges fall into the buffer of three pixel widths, whichshows that the proposed algorithm has a high accuracy of edge detection for kernel SAR images. View Full-Text
Keywords: GAN network model; symmetric difference kernel; SAR image; edge detection; edge post-processing; hough transform GAN network model; symmetric difference kernel; SAR image; edge detection; edge post-processing; hough transform
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Zhang, Z.; Liu, Y.; Liu, T.; Li, Y.; Ye, W. Edge Detection Algorithm of a Symmetric Difference Kernel SAR Image Based on the GAN Network Model. Symmetry 2019, 11, 557.

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