Learning Efficient Representations for Enhanced Object Detection on Large-scene SAR Images

• URL: http://arxiv.org/abs/2201.08958v1
• Date: Sat, 22 Jan 2022 03:25:24 GMT
• Title: Learning Efficient Representations for Enhanced Object Detection on Large-scene SAR Images
• Authors: Siyan Li, Yue Xiao, Yuhang Zhang, Lei Chu, and Robert C. Qiu
• Abstract summary: It is a challenging problem to detect and recognize targets on complex large-scene Synthetic Aperture Radar (SAR) images. Recently developed deep learning algorithms can automatically learn the intrinsic features of SAR images. We propose an efficient and robust deep learning based target detection method.
• Score: 16.602738933183865
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: It is a challenging problem to detect and recognize targets on complex large-scene Synthetic Aperture Radar (SAR) images. Recently developed deep learning algorithms can automatically learn the intrinsic features of SAR images, but still have much room for improvement on large-scene SAR images with limited data. In this paper, based on learning representations and multi-scale features of SAR images, we propose an efficient and robust deep learning based target detection method. Especially, by leveraging the effectiveness of adversarial autoencoder (AAE) which influences the distribution of the investigated data explicitly, the raw SAR dataset is augmented into an enhanced version with a large quantity and diversity. Besides, an auto-labeling scheme is proposed to improve labeling efficiency. Finally, with jointly training small target chips and large-scene images, an integrated YOLO network combining non-maximum suppression on sub-images is used to realize multiple targets detection of high resolution images. The numerical experimental results on the MSTAR dataset show that our method can realize target detection and recognition on large-scene images accurately and efficiently. The superior anti-noise performance is also confirmed by experiments.

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