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arxiv: 2501.03775 · v4 · pith:UQNIZQMLnew · submitted 2025-01-07 · 💻 cs.CV

Strip R-CNN: Large Strip Convolution for Remote Sensing Object Detection

Xinbin Yuan , Zhaohui Zheng , Yuxuan Li , Xialei Liu , Li Liu , Xiang Li , Qibin Hou , Ming-Ming Cheng This is my paper
classification 💻 cs.CV
keywords stripconvolutionsobjectdetectionlarger-cnnremotesensing
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While witnessed with rapid development, remote sensing object detection remains challenging for detecting high aspect ratio objects. This paper shows that large strip convolutions are good feature representation learners for remote sensing object detection and can detect objects of various aspect ratios well. Based on large strip convolutions, we build a new network architecture called Strip R-CNN, which is simple, efficient, and powerful. Unlike recent remote sensing object detectors that leverage large-kernel convolutions with square shapes, our Strip R-CNN takes advantage of sequential orthogonal large strip convolutions in our backbone network StripNet to capture spatial information. In addition, we improve the localization capability of remote-sensing object detectors by decoupling the detection heads and equipping the localization branch with strip convolutions in our strip head. Extensive experiments on several benchmarks, for example DOTA, FAIR1M, HRSC2016, and DIOR, show that our Strip R-CNN can greatly improve previous work. In particular, our 30M model achieves 82.75% mAP on DOTA-v1.0, setting a new state-of-the-art record. Our code will be made publicly available.Code is available at https://github.com/YXB-NKU/Strip-R-CNN.

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