mlsanityData to 7 Oct 2026

Region Rebalance for Long-Tailed Semantic Segmentation

arXiv 2204.01969 ↗First posted 5 Apr 2022cs.CVcited by 17

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Abstract (arXiv)

In this paper, we study the problem of class imbalance in semantic segmentation. We first investigate and identify the main challenges of addressing this issue through pixel rebalance. Then a simple and yet effective region rebalance scheme is derived based on our analysis. In our solution, pixel features belonging to the same class are grouped into region features, and a rebalanced region classifier is applied via an auxiliary region rebalance branch during training. To verify the flexibility and effectiveness of our method, we apply the region rebalance module into various semantic segmentation methods, such as Deeplabv3+, OCRNet, and Swin. Our strategy achieves consistent improvement on the challenging ADE20K and COCO-Stuff benchmark. In particular, with the proposed region rebalance scheme, state-of-the-art BEiT receives +0.7% gain in terms of mIoU on the ADE20K val set.

Key facts. Cited by 17 papers in the map (data through 7 Oct 2026). Builds on 48 of its 63 references that are in the map. First posted on arXiv 5 Apr 2022.

Builds on

48 of 63 references.

References · 48

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36 more
  1. 2018Encoder-Decoder with Atrous Separable Convolution for Semantic Image Segmentationcited by 3,210
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  14. 2019Decoupling Representation and Classifier for Long-Tailed Recognitioncited by 806
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Cited by year (2026 to 7 Oct)

Citing papers per year: 2022: 3; 2023: 8; 2024: 1; 2025: 4; 2026: 1.

17 papers.

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  1. 2022Vision Transformer Adapter for Dense Predictionscited by 564
  2. 2023DDP: Diffusion Model for Dense Visual Predictioncited by 148
  3. 2023Hierarchical Dense Correlation Distillation for Few-Shot Segmentationcited by 84
  4. 2023Decoupled Kullback-Leibler Divergence Losscited by 58
  5. 2022Generalized Parametric Contrastive Learningcited by 45
  6. 2023Learning Context-aware Classifier for Semantic Segmentationcited by 23
  7. 2023HiLo: Exploiting High Low Frequency Relations for Unbiased Panoptic Scene Graph Generationcited by 19
  8. 2023Boosting Few-shot 3D Point Cloud Segmentation via Query-Guided Enhancementcited by 19
  9. 2025Generalized Kullback-Leibler Divergence Losscited by 6
  10. 2022Representation Separation for Semantic Segmentation with Vision Transformerscited by 4
  11. 2024Frequency-based Matcher for Long-tailed Semantic Segmentationcited by 3
  12. 2025Differentiable Hierarchical Visual Tokenizationcited by 3
5 more
  1. 2025SRMF: A Data Augmentation and Multimodal Fusion Approach for Long-Tail UHR Satellite Image Segmentationcited by 2
  2. 2023Hierarchical Dense Correlation Distillation for Few-Shot Segmentation-Extended Abstractcited by 0
  3. 2023MEDOE: A Multi-Expert Decoder and Output Ensemble Framework for Long-tailed Semantic Segmentationcited by 0
  4. 2025Diffusion-Based Image Augmentation for Semantic Segmentation in Outdoor Roboticscited by 0
  5. 2026Class-frequency Guided Noise Schedule for Diffusion Modelscited by 0