DAFNe: A One-Stage Anchor-Free Approach for Oriented Object Detection
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Abstract (arXiv)
We present DAFNe, a Dense one-stage Anchor-Free deep Network for oriented object detection. As a one-stage model, it performs bounding box predictions on a dense grid over the input image, being architecturally simpler in design, as well as easier to optimize than its two-stage counterparts. Furthermore, as an anchor-free model, it reduces the prediction complexity by refraining from employing bounding box anchors. With DAFNe we introduce an orientation-aware generalization of the center-ness function for arbitrarily oriented bounding boxes to down-weight low-quality predictions and a center-to-corner bounding box prediction strategy that improves object localization performance. Our experiments show that DAFNe outperforms all previous one-stage anchor-free models on DOTA 1.0, DOTA 1.5, and UCAS-AOD and is on par with the best models on HRSC2016.
Key facts. Cited by 4 papers in the map (data through 7 Oct 2026). Builds on 44 of its 62 references that are in the map. First posted on arXiv 13 Sep 2021.
Builds on
44 of 62 references.
References · 44
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32 more
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Built on by
Citing papers per year: 2022: 1; 2023: 0; 2024: 0; 2025: 2; 2026: 1.
4 papers.
- 2022AO2-DETR: Arbitrary-Oriented Object Detection Transformercited by 55
- 2025GauCho: Gaussian Distributions with Cholesky Decomposition for Oriented Object Detectioncited by 6
- 2025MKSNet: Advanced Small Object Detection in Remote Sensing Imagery with Multi-Kernel and Dual Attention Mechanismscited by 0
- 2026LOGOS: Language-guided Oriented Object Detection in Aerial Scenescited by 0
- 2026LOGOS: Language-guided Oriented Object Detection in Aerial Scenes9 Jul 2026
- 2025MKSNet: Advanced Small Object Detection in Remote Sensing Imagery with Multi-Kernel and Dual Attention Mechanisms3 Dec 2025
- 2025GauCho: Gaussian Distributions with Cholesky Decomposition for Oriented Object Detection3 Feb 2025
- 2022AO2-DETR: Arbitrary-Oriented Object Detection Transformer25 May 2022