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A Hybrid Deep Neural Network Approach for Robust Multi-Scale Object Detection in SAR Images

Aug 2026 · Journal of Intelligent Decision Making and Information Science · Vol 3, pp. 262-272 · 0 citations · 18 references

TL;DR

A hybrid deep learning method, which combines Convolutional Neural Networks, STDNet model and CFAR-based detection, with the objective to enhance performance of multi-scale object detection, is proposed.

Abstract

Synthetic Aperture Radar (SAR) images always provide high-resolution data in all weather and lighting circum-stances. However, speckle noise, clutter backgrounds and scale variation remain as significant challenges for accurate target detection on SAR images. This paper proposes a hybrid deep learning method, which combines Convolutional Neural Networks (CNN), STDNet model and CFAR-based detection, with the objective to enhance performance of multi-scale object detection. The outputs from both the CNN and STDNet branches are fused using an Intersection over Union (IoU)-based fusion strategy helps to achieve better detection accuracy. The experimental results show that the proposed hybrid model reaches better precision, recall, and F1-score than separate classifiers. This proposed approach is a cost-effective and practical strategy for tracking different real-world SAR targets.

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