Ship Classification in High-Resolution SAR Images Based on CNN Regional Feature Fusion

Sun, Zhongzhen; Xiong, Boli; Yu, Lei; Leng, Xiangguang; Ji, Kefeng

doi:10.1109/radar53847.2021.10027936

2021 CIE International Conference on Radar (Radar) 2021

DOI: 10.1109/radar53847.2021.10027936

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Ship Classification in High-Resolution SAR Images Based on CNN Regional Feature Fusion

Zhongzhen Sun

Boli Xiong

Lei Yu

et al.

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2024

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Robust and Accurate Recognition of Carriage Linear Array Images for Train Fault Detection

Fu,

Pan

2024

Applied Sciences

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Train fault detection often relies on comparing collected images with reference images, making accurate image type recognition crucial. Current systems use Automatic Equipment Identification (AEI) devices to recognize carriage numbers while capturing images, but damaged Radio Frequency (RF) tags or blurred characters can hinder this process. Carriage linear array images, with their high resolution, extreme aspect ratios, and local nonlinear distortions, present challenges for recognition algorithms. This paper proposes a method tailored for recognizing such images. We apply an object detection algorithm to locate key components, simplifying image recognition into a sparse point set alignment task. To handle local distortions, we introduce a weighted radial basis function (RBF) and maximize the similarity between Gaussian mixtures of point sets to determine RBF weights. Experiments show 100% recognition accuracy under nonlinear distortions up to 15%. The algorithm also performs robustly with detection errors and identifies categories from 79 image classes in 24 ms on an i7 CPU without GPU support. This method significantly reduces system costs and advances automatic exterior fault detection for trains.

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Robust and Accurate Recognition of Carriage Linear Array Images for Train Fault Detection

Fu,

Pan

2024

Applied Sciences

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Ship Classification in High-Resolution SAR Images Based on CNN Regional Feature Fusion

Cited by 1 publication

References 17 publications

Robust and Accurate Recognition of Carriage Linear Array Images for Train Fault Detection

Robust and Accurate Recognition of Carriage Linear Array Images for Train Fault Detection

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