Prior Guided Feature Enrichment Network for Few-Shot Segmentation
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Abstract (arXiv)
State-of-the-art semantic segmentation methods require sufficient labeled data to achieve good results and hardly work on unseen classes without fine-tuning. Few-shot segmentation is thus proposed to tackle this problem by learning a model that quickly adapts to new classes with a few labeled support samples. Theses frameworks still face the challenge of generalization ability reduction on unseen classes due to inappropriate use of high-level semantic information of training classes and spatial inconsistency between query and support targets. To alleviate these issues, we propose the Prior Guided Feature Enrichment Network (PFENet). It consists of novel designs of (1) a training-free prior mask generation method that not only retains generalization power but also improves model performance and (2) Feature Enrichment Module (FEM) that overcomes spatial inconsistency by adaptively enriching query features with support features and prior masks. Extensive experiments on PASCAL-5i and COCO prove that the proposed prior generation method and FEM both improve the baseline method significantly. Our PFENet also outperforms state-of-the-art methods by a large margin without efficiency loss. It is surprising that our model even generalizes to cases without labeled support samples. Our code is available at https://github.com/Jia-Research-Lab/PFENet/.
Key facts. Cited by 271 papers in the map (data through 7 Oct 2026). First posted on arXiv 4 Aug 2020.
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Citing papers per year: 2021: 34; 2022: 48; 2023: 69; 2024: 55; 2025: 39; 2026: 26.
271 papers.
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- 2022Language-driven Semantic Segmentationcited by 711
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- 2021Adaptive Prototype Learning and Allocation for Few-Shot Segmentationcited by 207
- 2021Hypercorrelation Squeeze for Few-Shot Segmentationcited by 193
- 2023Towards Open Vocabulary Learning: A Surveycited by 165
- 2022A Comprehensive Survey of Few-shot Learning: Evolution, Applications, Challenges, and Opportunitiescited by 162
- 2021Few-Shot Segmentation via Cycle-Consistent Transformercited by 133
- 2022Learning What Not to Segment: A New Perspective on Few-Shot Segmentationcited by 120
- 2021Simpler is Better: Few-shot Semantic Segmentation with Classifier Weight Transformercited by 116
38 more
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- 2021Self-Guided and Cross-Guided Learning for Few-Shot Segmentationcited by 92
- 2023Hierarchical Dense Correlation Distillation for Few-Shot Segmentationcited by 84
- 2022FS6D: Few-Shot 6D Pose Estimation of Novel Objectscited by 81
- 2024VRP-SAM: SAM with Visual Reference Promptcited by 75
- 2021Mining Latent Classes for Few-shot Segmentationcited by 69
- 2022Dense Cross-Query-and-Support Attention Weighted Mask Aggregation for Few-Shot Segmentationcited by 65
- 2024Explore the Potential of CLIP for Training-Free Open Vocabulary Semantic Segmentationcited by 61
- 2022Feature-Proxy Transformer for Few-Shot Segmentationcited by 58
- 2022Learning Non-target Knowledge for Few-shot Semantic Segmentationcited by 57
- 2021Learning Meta-class Memory for Few-Shot Semantic Segmentationcited by 56
- 2022Singular Value Fine-tuning: Few-shot Segmentation requires Few-parameters Fine-tuningcited by 50
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- 2024OA-CNNs: Omni-Adaptive Sparse CNNs for 3D Semantic Segmentationcited by 43
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- 2021One-Shot Object Affordance Detection in the Wildcited by 40
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- 2022Intermediate Prototype Mining Transformer for Few-Shot Semantic Segmentationcited by 37
- 2021Few-shot Segmentation with Optimal Transport Matching and Message Flowcited by 36
- 2024Bridge the Points: Graph-based Few-shot Segment Anything Semanticallycited by 35
- 2024Mind the Interference: Retaining Pre-trained Knowledge in Parameter Efficient Continual Learning of Vision-Language Modelscited by 34
- 2023Self-Calibrated Cross Attention Network for Few-Shot Segmentationcited by 32
- 2021PFENet++: Boosting Few-shot Semantic Segmentation with the Noise-filtered Context-aware Prior Maskcited by 31
- 2021Novel Class Discovery in Semantic Segmentationcited by 31
- 2024Cross-Domain Few-Shot Segmentation via Iterative Support-Query Correspondence Miningcited by 30
- 2024Unified Language-driven Zero-shot Domain Adaptationcited by 30
- 2022Beyond the Prototype: Divide-and-conquer Proxies for Few-shot Segmentationcited by 28
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- 2024A Systematic Review on Long-Tailed Learningcited by 27
- 2023Prototype Adaption and Projection for Few- and Zero-shot 3D Point Cloud Semantic Segmentationcited by 26
- 2024APSeg: Auto-Prompt Network for Cross-Domain Few-Shot Semantic Segmentationcited by 26
- 2022Integrative Few-Shot Learning for Classification and Segmentationcited by 25
- 2022Interclass Prototype Relation for Few-Shot Segmentationcited by 25
50 most cited of 271 All 271 (JSON)
- 2026FSS-UBrain: Multi-region Few-Shot Brain Tumor MRI Segmentation26 Sep 2026
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- 2026P3-SAM: SAM with Perceptual Parallel Prompt for Few-Shot Strip Steel Surface Defect Segmentation18 Sep 2026
- 2026REBASE: Reference-Background Subspace Elimination for Training-Free In-Context Segmentation10 Jul 2026
- 2026GeoFlow: Geo-Aware Modeling of Inter-Area Relationships in Origin-Destination Flow Prediction and Generation6 Jul 2026
- 2026FROST: Training-Free Few-Shot Segmentation with Frozen Features and Nonparametric Statistics30 Jun 2026
- 2026Training-Free Generalized Few-Shot Segmentation through Open-Vocabulary Semantic Arbitration8 Jun 2026
- 2026Dynamic-dLLM: Dynamic Cache-Budget and Adaptive Parallel Decoding for Training-Free Acceleration of Diffusion LLM27 May 2026
- 2026DC-Leap: Training-Free Acceleration of dLLMs via Draft-Guided Contiguous Leaping Decoding19 May 2026
- 2026Selective, Regularized, and Calibrated: Harnessing Vision Foundation Models for Cross-Domain Few-Shot Semantic Segmentation19 May 2026
- 2026Beyond Euclidean Prototypes: Spectral Disentanglement and Geodesic Matching for Few-Shot Medical Image Segmentation18 May 2026
- 2026Multi-View Synergistic Learning with Vision-Language Adaption for Low-Resource Biomedical Image Classification27 Apr 2026
38 more
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- 2026Revealing the Semantic Selection Gap in DINOv3 through Training-Free Few-Shot Segmentation7 Feb 2026
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- 2026Boosting SAM for Cross-Domain Few-Shot Segmentation via Conditional Point Sparsification5 Feb 2026
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- 2025You Only Look Omni Gradient Backpropagation for Moving Infrared Small Target Detection17 Nov 2025
- 2025J-RAS: Mutual Adaptation for Medical Image Segmentation via Contrastive Retrieval-Augmented Joint Optimization11 Oct 2025
- 2025FS-SAM2: Adapting Segment Anything Model 2 for Few-Shot Semantic Segmentation via Low-Rank Adaptation15 Sep 2025
- 2025Object-level Correlation for Few-Shot Segmentation9 Sep 2025
- 2025Cross-Domain Few-Shot Segmentation via Ordinary Differential Equations over Time Intervals1 Sep 2025
- 2025Correspondence as Video: Test-Time Adaption on SAM2 for Reference Segmentation in the Wild11 Aug 2025
- 2025Textual and Visual Guided Task Adaptation for Source-Free Cross-Domain Few-Shot Segmentation7 Aug 2025
- 2025Segment Any Vehicle: Semantic and Visual Context Driven SAM and A Benchmark6 Aug 2025
- 2025Efficient Masked Attention Transformer for Few-Shot Classification and Segmentation31 Jul 2025
- 2025SAMITE: Position Prompted SAM2 with Calibrated Memory for Visual Object Tracking29 Jul 2025
- 2025Balancing Conservatism and Aggressiveness: Prototype-Affinity Hybrid Network for Few-Shot Segmentation25 Jul 2025
- 2025DFR: A Decompose-Fuse-Reconstruct Framework for Multi-Modal Few-Shot Segmentation22 Jul 2025
- 2025Inter- and Intra-image Refinement for Few Shot Segmentation8 Jul 2025
- 2025ViRefSAM: Visual Reference-Guided Segment Anything Model for Remote Sensing Segmentation3 Jul 2025
- 2025Probabilistic Prototype Calibration of Vision-Language Models for Generalized Few-shot Semantic Segmentation28 Jun 2025
- 2025ProSAM: Enhancing the Robustness of SAM-based Visual Reference Segmentation with Probabilistic Prompts27 Jun 2025
50 newest of 271 All 271 (JSON)
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- 2024Mind the Interference: Retaining Pre-trained Knowledge in Parameter Efficient Continual Learning of Vision-Language Modelscited by 34
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- 2023[CLS] Token is All You Need for Zero-Shot Semantic Segmentationcited by 5
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- 2025Structure-Aware Feature Rectification with Region Adjacency Graphs for Training-Free Open-Vocabulary Semantic Segmentationcited by 0
- 2026Retrieve and Segment: Are a Few Examples Enough to Bridge the Supervision Gap in Open-Vocabulary Segmentation?cited by 0
- 2026Retrieve and Segment: Are a Few Examples Enough to Bridge the Supervision Gap in Open-Vocabulary Segmentation?26 Feb 2026
- 2025Structure-Aware Feature Rectification with Region Adjacency Graphs for Training-Free Open-Vocabulary Semantic Segmentation8 Dec 2025
- 2025Probabilistic Prototype Calibration of Vision-Language Models for Generalized Few-shot Semantic Segmentation28 Jun 2025
- 2024Explore the Potential of CLIP for Training-Free Open Vocabulary Semantic Segmentation11 Jul 2024
- 2024Mind the Interference: Retaining Pre-trained Knowledge in Parameter Efficient Continual Learning of Vision-Language Models7 Jul 2024
- 2023Vision-Language Models in Remote Sensing: Current Progress and Future Trends9 May 2023
- 2023Delving into Shape-aware Zero-shot Semantic Segmentation17 Apr 2023
- 2023[CLS] Token is All You Need for Zero-Shot Semantic Segmentation13 Apr 2023
- 2022Open-vocabulary Semantic Segmentation with Frozen Vision-Language Models27 Oct 2022
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- 2024No Re-Train, More Gain: Upgrading Backbones with Diffusion model for Pixel-Wise and Weakly-Supervised Few-Shot Segmentationcited by 0
- 2025Task-oriented Learnable Diffusion Timesteps for Universal Few-shot Learning of Dense Taskscited by 0
- 2026SD-FSMIS: Adapting Stable Diffusion for Few-Shot Medical Image Segmentationcited by 0
- 2026SD-FSMIS: Adapting Stable Diffusion for Few-Shot Medical Image Segmentation3 Apr 2026
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- 2024PGDiffSeg: Prior-Guided Denoising Diffusion Model with Parameter-Shared Attention for Breast Cancer Segmentation23 Oct 2024
- 2024No Re-Train, More Gain: Upgrading Backbones with Diffusion model for Pixel-Wise and Weakly-Supervised Few-Shot Segmentation23 Jul 2024
- 2024Explore In-Context Segmentation via Latent Diffusion Models14 Mar 2024
- 2023DifFSS: Diffusion Model for Few-Shot Semantic Segmentation3 Jul 2023
- 2023SpectralDiff: A Generative Framework for Hyperspectral Image Classification with Diffusion Models12 Apr 2023
- 2025Less Is More, but Where? Dynamic Token Compression via LLM-Guided Keyframe Priorcited by 15
- 2026FlashVID: Efficient Video Large Language Models via Training-free Tree-based Spatiotemporal Token Mergingcited by 14
- 2026Dynamic-dLLM: Dynamic Cache-Budget and Adaptive Parallel Decoding for Training-Free Acceleration of Diffusion LLMcited by 4
- 2026DC-Leap: Training-Free Acceleration of dLLMs via Draft-Guided Contiguous Leaping Decodingcited by 0
- 2026Dynamic-dLLM: Dynamic Cache-Budget and Adaptive Parallel Decoding for Training-Free Acceleration of Diffusion LLM27 May 2026
- 2026DC-Leap: Training-Free Acceleration of dLLMs via Draft-Guided Contiguous Leaping Decoding19 May 2026
- 2026FlashVID: Efficient Video Large Language Models via Training-free Tree-based Spatiotemporal Token Merging8 Feb 2026
- 2025Less Is More, but Where? Dynamic Token Compression via LLM-Guided Keyframe Prior7 Dec 2025
- 2023Analogy-Forming Transformers for Few-Shot 3D Parsingcited by 1
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- 2025Not All Data Are Unlearned Equallycited by 12
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- 2024Hybrid Mamba for Few-Shot Segmentation29 Sep 2024
- 2022Language-driven Semantic Segmentationcited by 711
- 2022GroupViT: Semantic Segmentation Emerges from Text Supervisioncited by 529
- 2021Image Segmentation Using Text and Image Promptscited by 509
- 2023RoMa: Robust Dense Feature Matchingcited by 296
- 2022Visual Prompting via Image Inpaintingcited by 248
- 2021Adaptive Prototype Learning and Allocation for Few-Shot Segmentationcited by 207
- 2021Hypercorrelation Squeeze for Few-Shot Segmentationcited by 193
- 2023Towards Open Vocabulary Learning: A Surveycited by 165
- 2022A Comprehensive Survey of Few-shot Learning: Evolution, Applications, Challenges, and Opportunitiescited by 162
- 2021Few-Shot Segmentation via Cycle-Consistent Transformercited by 133
- 2022Learning What Not to Segment: A New Perspective on Few-Shot Segmentationcited by 120
- 2021Simpler is Better: Few-shot Semantic Segmentation with Classifier Weight Transformercited by 116
12 most cited of 246 All 246 (JSON)
- 2026FSS-UBrain: Multi-region Few-Shot Brain Tumor MRI Segmentation26 Sep 2026
- 2026Exploiting Target Knowledge from MLLMs for Robust Few-Shot Segmentation24 Sep 2026
- 2026P3-SAM: SAM with Perceptual Parallel Prompt for Few-Shot Strip Steel Surface Defect Segmentation18 Sep 2026
- 2026REBASE: Reference-Background Subspace Elimination for Training-Free In-Context Segmentation10 Jul 2026
- 2026GeoFlow: Geo-Aware Modeling of Inter-Area Relationships in Origin-Destination Flow Prediction and Generation6 Jul 2026
- 2026FROST: Training-Free Few-Shot Segmentation with Frozen Features and Nonparametric Statistics30 Jun 2026
- 2026Training-Free Generalized Few-Shot Segmentation through Open-Vocabulary Semantic Arbitration8 Jun 2026
- 2026Selective, Regularized, and Calibrated: Harnessing Vision Foundation Models for Cross-Domain Few-Shot Semantic Segmentation19 May 2026
- 2026Beyond Euclidean Prototypes: Spectral Disentanglement and Geodesic Matching for Few-Shot Medical Image Segmentation18 May 2026
- 2026Multi-View Synergistic Learning with Vision-Language Adaption for Low-Resource Biomedical Image Classification27 Apr 2026
- 2026Few-Shot Semantic Segmentation Meets SAM37 Apr 2026
- 2026Make It Up: Fake Images, Real Gains in Generalized Few-shot Semantic Segmentation28 Mar 2026
12 newest of 246 All 246 (JSON)