FASA: Feature Augmentation and Sampling Adaptation for Long-Tailed Instance Segmentation
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Abstract (arXiv)
Recent methods for long-tailed instance segmentation still struggle on rare object classes with few training data. We propose a simple yet effective method, Feature Augmentation and Sampling Adaptation (FASA), that addresses the data scarcity issue by augmenting the feature space especially for rare classes. Both the Feature Augmentation (FA) and feature sampling components are adaptive to the actual training status -- FA is informed by the feature mean and variance of observed real samples from past iterations, and we sample the generated virtual features in a loss-adapted manner to avoid over-fitting. FASA does not require any elaborate loss design, and removes the need for inter-class transfer learning that often involves large cost and manually-defined head/tail class groups. We show FASA is a fast, generic method that can be easily plugged into standard or long-tailed segmentation frameworks, with consistent performance gains and little added cost. FASA is also applicable to other tasks like long-tailed classification with state-of-the-art performance.
Key facts. Cited by 76 papers in the map (data through 7 Oct 2026). Builds on 42 of its 54 references that are in the map. First posted on arXiv 25 Feb 2021.
Builds on
42 of 54 references.
References · 42
- 2015Deep Residual Learning for Image Recognitioncited by 51,809
- 2014Microsoft COCO: Common Objects in Contextcited by 17,498
- 2017Mask R-CNNcited by 7,259
- 2017mixup: Beyond Empirical Risk Minimizationcited by 5,155
- 2016Feature Pyramid Networks for Object Detectioncited by 5,021
- 2019CutMix: Regularization Strategy to Train Strong Classifiers with Localizable Featurescited by 2,875
- 2016Aggregated Residual Transformations for Deep Neural Networkscited by 2,540
- 2015Learning Deep Features for Discriminative Localizationcited by 2,430
- 2019MMDetection: Open MMLab Detection Toolbox and Benchmarkcited by 1,379
- 2019Self-training with Noisy Student improves ImageNet classificationcited by 1,304
- 2019Class-Balanced Loss Based on Effective Number of Samplescited by 1,239
- 2019LVIS: A Dataset for Large Vocabulary Instance Segmentationcited by 1,215
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- 2019Decoupling Representation and Classifier for Long-Tailed Recognitioncited by 806
- 2019Large-Scale Long-Tailed Recognition in an Open Worldcited by 704
- 2020Simple Copy-Paste is a Strong Data Augmentation Method for Instance Segmentationcited by 595
- 2016Training Region-based Object Detectors with Online Hard Example Miningcited by 577
- 2019Hybrid Task Cascade for Instance Segmentationcited by 479
- 2019Cascade R-CNN: High Quality Object Detection and Instance Segmentationcited by 428
- 2019BBN: Bilateral-Branch Network with Cumulative Learning for Long-Tailed Visual Recognitioncited by 403
- 2020Balanced Meta-Softmax for Long-Tailed Visual Recognitioncited by 397
- 2020Equalization Loss for Long-Tailed Object Recognitioncited by 285
- 2020Long-Tailed Classification by Keeping the Good and Removing the Bad Momentum Causal Effectcited by 256
- 2020Overcoming Classifier Imbalance for Long-tail Object Detection with Balanced Group Softmaxcited by 152
- 2020Seesaw Loss for Long-Tailed Instance Segmentationcited by 146
- 2020Feature Space Augmentation for Long-Tailed Datacited by 136
- 2020M2m: Imbalanced Classification via Major-to-minor Translationcited by 134
- 2020Deep Representation Learning on Long-tailed Data: A Learnable Embedding Augmentation Perspectivecited by 120
- 2020TIDE: A General Toolbox for Identifying Object Detection Errorscited by 113
- 2020The Devil is in Classification: A Simple Framework for Long-tail Object Detection and Instance Segmentationcited by 108
- 2019Implicit Semantic Data Augmentation for Deep Networkscited by 106
- 2020Equalization Loss v2: A New Gradient Balance Approach for Long-tailed Object Detectioncited by 99
- 2019InstaBoost: Boosting Instance Segmentation via Probability Map Guided Copy-Pastingcited by 95
- 2018Deep Imbalanced Learning for Face Recognition and Attribute Predictioncited by 90
- 2020On Feature Normalization and Data Augmentationcited by 71
- 2021Evaluating Large-Vocabulary Object Detectors: The Devil is in the Detailscited by 57
- 2020Learning to Segment the Tailcited by 54
- 2020Forest R-CNN: Large-Vocabulary Long-Tailed Object Detection and Instance Segmentationcited by 41
- 2019Addressing the Loss-Metric Mismatch with Adaptive Loss Alignmentcited by 33
- 2019Generative Modeling for Small-Data Object Detectioncited by 20
- 2020Memory-based Jitter: Improving Visual Recognition on Long-tailed Data with Diversity In Memorycited by 15
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Citing papers per year: 2021: 5; 2022: 16; 2023: 20; 2024: 23; 2025: 10; 2026: 2.
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- 2023Towards Open Vocabulary Learning: A Surveycited by 165
- 2021Self-Supervised Aggregation of Diverse Experts for Test-Agnostic Long-Tailed Recognitioncited by 95
- 2021ACE: Ally Complementary Experts for Solving Long-Tailed Recognition in One-Shotcited by 86
- 2022A Survey on Long-Tailed Visual Recognitioncited by 75
- 2022Federated Learning on Heterogeneous and Long-Tailed Data via Classifier Re-Training with Federated Featurescited by 63
- 2022X-Paste: Revisiting Scalable Copy-Paste for Instance Segmentation using CLIP and StableDiffusioncited by 49
- 2024Probabilistic Contrastive Learning for Long-Tailed Visual Recognitioncited by 42
- 2021On Model Calibration for Long-Tailed Object Detection and Instance Segmentationcited by 39
- 2023How Re-sampling Helps for Long-Tail Learning?cited by 36
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- 2025Optimizing Class Distributions for Bias-Aware Multi-Class Learning15 Sep 2025
- 2025Augment to Segment: Tackling Pixel-Level Imbalance in Wheat Disease and Pest Segmentation12 Sep 2025
- 2025Group Relative Augmentation for Data Efficient Action Detection28 Jul 2025
- 2025No time to train! Training-Free Reference-Based Instance Segmentation3 Jul 2025
- 2025Compositional Attribute Imbalance in Vision Datasets17 Jun 2025
- 2025Hyperbolic Dual Feature Augmentation for Open-Environment10 Jun 2025
- 2024SimLTD: Simple Supervised and Semi-Supervised Long-Tailed Object Detection28 Dec 2024
- 2024Promptable Representation Distribution Learning and Data Augmentation for Gigapixel Histopathology WSI Analysis19 Dec 2024
- 2024Conformal-in-the-Loop for Learning with Imbalanced Noisy Data4 Nov 2024
- 2024Improving Visual Prompt Tuning by Gaussian Neighborhood Minimization for Long-Tailed Visual Recognition28 Oct 2024
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