Multi-Scale Positive Sample Refinement for Few-Shot Object Detection
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Abstract (arXiv)
Few-shot object detection (FSOD) helps detectors adapt to unseen classes with few training instances, and is useful when manual annotation is time-consuming or data acquisition is limited. Unlike previous attempts that exploit few-shot classification techniques to facilitate FSOD, this work highlights the necessity of handling the problem of scale variations, which is challenging due to the unique sample distribution. To this end, we propose a Multi-scale Positive Sample Refinement (MPSR) approach to enrich object scales in FSOD. It generates multi-scale positive samples as object pyramids and refines the prediction at various scales. We demonstrate its advantage by integrating it as an auxiliary branch to the popular architecture of Faster R-CNN with FPN, delivering a strong FSOD solution. Several experiments are conducted on PASCAL VOC and MS COCO, and the proposed approach achieves state of the art results and significantly outperforms other counterparts, which shows its effectiveness. Code is available at https://github.com/jiaxi-wu/MPSR.
Key facts. Cited by 116 papers in the map (data through 7 Oct 2026). First posted on arXiv 18 Jul 2020.
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Citing papers per year: 2021: 26; 2022: 41; 2023: 27; 2024: 12; 2025: 8; 2026: 2.
116 papers.
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- 2021OTA: Optimal Transport Assignment for Object Detectioncited by 177
- 2021FSCE: Few-Shot Object Detection via Contrastive Proposal Encodingcited by 168
- 2022A Comprehensive Survey of Few-shot Learning: Evolution, Applications, Challenges, and Opportunitiescited by 162
- 2021DeFRCN: Decoupled Faster R-CNN for Few-Shot Object Detectioncited by 106
- 2021Generalized Few-Shot Object Detection without Forgettingcited by 88
- 2021Beyond Max-Margin: Class Margin Equilibrium for Few-shot Object Detectioncited by 80
- 2021Semantic Relation Reasoning for Shot-Stable Few-Shot Object Detectioncited by 79
- 2021DETReg: Unsupervised Pretraining with Region Priors for Object Detectioncited by 76
- 2022Few-Shot Object Detection with Fully Cross-Transformercited by 64
- 2022Few-shot Object Counting with Similarity-Aware Feature Enhancementcited by 62
- 2021Meta Faster R-CNN: Towards Accurate Few-Shot Object Detection with Attentive Feature Alignmentcited by 57
- 2021Query Adaptive Few-Shot Object Detection with Heterogeneous Graph Convolutional Networkscited by 55
38 more
- 2022Few-shot Object Counting and Detectioncited by 55
- 2021Factors of Influence for Transfer Learning across Diverse Appearance Domains and Task Typescited by 54
- 2021Dense Relation Distillation with Context-aware Aggregation for Few-Shot Object Detectioncited by 53
- 2021Hallucination Improves Few-Shot Object Detectioncited by 50
- 2022Meta-DETR: Image-Level Few-Shot Detection with Inter-Class Correlation Exploitationcited by 48
- 2021Meta-DETR: Image-Level Few-Shot Object Detection with Inter-Class Correlation Exploitationcited by 44
- 2021Universal-Prototype Enhancing for Few-Shot Object Detectioncited by 43
- 2021Label, Verify, Correct: A Simple Few Shot Object Detection Methodcited by 43
- 2021Few-Shot Object Detection via Association and DIscriminationcited by 39
- 2023Explore the Power of Synthetic Data on Few-shot Object Detectioncited by 38
- 2021A Survey of Self-Supervised and Few-Shot Object Detectioncited by 35
- 2023Revisiting Few-Shot Object Detection with Vision-Language Modelscited by 32
- 2021Dual-Awareness Attention for Few-Shot Object Detectioncited by 29
- 2022Real-time Object Detection for Streaming Perceptioncited by 29
- 2021Few-Shot Object Detection: A Comprehensive Surveycited by 28
- 2022AcroFOD: An Adaptive Method for Cross-domain Few-shot Object Detectioncited by 25
- 2022Where is my Wallet? Modeling Object Proposal Sets for Egocentric Visual Query Localizationcited by 24
- 2023Few-Shot Object Detection via Variational Feature Aggregationcited by 22
- 2023DiGeo: Discriminative Geometry-Aware Learning for Generalized Few-Shot Object Detectioncited by 21
- 2023Generating Features with Increased Crop-related Diversity for Few-Shot Object Detectioncited by 21
- 2022FS-DETR: Few-Shot DEtection TRansformer with prompting and without re-trainingcited by 20
- 2022iFS-RCNN: An Incremental Few-shot Instance Segmentercited by 19
- 2021LARGE: Latent-Based Regression through GAN Semanticscited by 17
- 2022Incremental-DETR: Incremental Few-Shot Object Detection via Self-Supervised Learningcited by 14
- 2022Prototypical VoteNet for Few-Shot 3D Point Cloud Object Detectioncited by 14
- 2022Semantic-aligned Fusion Transformer for One-shot Object Detectioncited by 13
- 2022Disentangle and Remerge: Interventional Knowledge Distillation for Few-Shot Object Detection from A Conditional Causal Perspectivecited by 13
- 2021AirDet: Few-Shot Detection without Fine-tuning for Autonomous Explorationcited by 12
- 2022Efficient Few-Shot Object Detection via Knowledge Inheritancecited by 12
- 2022Breaking Immutable: Information-Coupled Prototype Elaboration for Few-Shot Object Detectioncited by 12
- 2023Reference Twice: A Simple and Unified Baseline for Few-Shot Instance Segmentationcited by 12
- 2022Multi-Modal Few-Shot Object Detection with Meta-Learning-Based Cross-Modal Promptingcited by 11
- 2022Multi-Faceted Distillation of Base-Novel Commonality for Few-shot Object Detectioncited by 11
- 2021A Comparative Review of Recent Few-Shot Object Detection Algorithmscited by 10
- 2022Towards Efficient Use of Multi-Scale Features in Transformer-Based Object Detectorscited by 10
- 2022Time-rEversed diffusioN tEnsor Transformer: A new TENET of Few-Shot Object Detectioncited by 10
- 2023NIFF: Alleviating Forgetting in Generalized Few-Shot Object Detection via Neural Instance Feature Forgingcited by 10
- 2024Fine-Grained Prototypes Distillation for Few-Shot Object Detectioncited by 10
50 most cited of 116 All 116 (JSON)
- 2026Proposal Refinement for Few-Shot Object Detection8 Jun 2026
- 2026Learning Multi-Modal Prototypes for Cross-Domain Few-Shot Object Detection21 Feb 2026
- 2025Task-oriented Learnable Diffusion Timesteps for Universal Few-shot Learning of Dense Tasks29 Dec 2025
- 2025Few-Shot Learning in Video and 3D Object Detection: A Survey22 Jul 2025
- 2025Visual Textualization for Image Prompted Object Detection30 Jun 2025
- 2025Attention-disentangled Uniform Orthogonal Feature Space Optimization for Few-shot Object Detection27 Jun 2025
- 2025Decoupling Classifier for Boosting Few-shot Object Detection and Instance Segmentation20 May 2025
- 2025Generalized Semantic Contrastive Learning via Embedding Side Information for Few-Shot Object Detection9 Apr 2025
- 2025From Dataset to Real-world: General 3D Object Detection via Generalized Cross-domain Few-shot Learning8 Mar 2025
- 2025Multi-Perspective Data Augmentation for Few-shot Object Detection25 Feb 2025
- 2024Detect an Object At Once without Fine-tuning4 Nov 2024
- 2024Open-vocabulary vs. Closed-set: Best Practice for Few-shot Object Detection Considering Text Describability20 Oct 2024
38 more
- 2024CP-VoteNet: Contrastive Prototypical VoteNet for Few-Shot Point Cloud Object Detection30 Aug 2024
- 2024A Closer Look at Data Augmentation Strategies for Finetuning-Based Low/Few-Shot Object Detection20 Aug 2024
- 2024PS-TTL: Prototype-based Soft-labels and Test-Time Learning for Few-shot Object Detection11 Aug 2024
- 2024SMILe: Leveraging Submodular Mutual Information For Robust Few-Shot Object Detection2 Jul 2024
- 2024InfRS: Incremental Few-Shot Object Detection in Remote Sensing Images18 May 2024
- 2024UniFS: Universal Few-shot Instance Perception with Point Representations30 Apr 2024
- 2024AirShot: Efficient Few-Shot Detection for Autonomous Exploration7 Apr 2024
- 2024CST: Calibration Side-Tuning for Parameter and Memory Efficient Transfer Learning20 Feb 2024
- 2024Stability Plasticity Decoupled Fine-tuning For Few-shot end-to-end Object Detection20 Jan 2024
- 2024Fine-Grained Prototypes Distillation for Few-Shot Object Detection15 Jan 2024
- 2023Revisiting Few-Shot Object Detection with Vision-Language Models22 Dec 2023
- 2023TIDE: Test Time Few Shot Object Detection30 Nov 2023
- 2023Decoupled DETR For Few-shot Object Detection20 Nov 2023
- 2023Re-Scoring Using Image-Language Similarity for Few-Shot Object Detection1 Nov 2023
- 2023ECEA: Extensible Co-Existing Attention for Few-Shot Object Detection15 Sep 2023
- 2023Few-Shot Object Detection via Synthetic Features with Optimal Transport29 Aug 2023
- 2023Improved Region Proposal Network for Enhanced Few-Shot Object Detection15 Aug 2023
- 2023EqGAN: Feature Equalization Fusion for Few-shot Image Generation27 Jul 2023
- 2023Building Flyweight FLIM-based CNNs with Adaptive Decoding for Object Detection26 Jun 2023
- 2023Boosting Long-tailed Object Detection via Step-wise Learning on Smooth-tail Data22 May 2023
- 2023Faster OreFSDet : A Lightweight and Effective Few-shot Object Detector for Ore Images2 May 2023
- 2023Meta-tuning Loss Functions and Data Augmentation for Few-shot Object Detection24 Apr 2023
- 2023Clustered-patch Element Connection for Few-shot Learning20 Apr 2023
- 2023The Art of Camouflage: Few-Shot Learning for Animal Detection and Segmentation15 Apr 2023
- 2023Generating Features with Increased Crop-related Diversity for Few-Shot Object Detection11 Apr 2023
- 2023Explore the Power of Synthetic Data on Few-shot Object Detection23 Mar 2023
- 2023Identification of Novel Classes for Improving Few-Shot Object Detection18 Mar 2023
- 2023DiGeo: Discriminative Geometry-Aware Learning for Generalized Few-Shot Object Detection16 Mar 2023
- 2023Transformation-Invariant Network for Few-Shot Object Detection in Remote Sensing Images13 Mar 2023
- 2023LEDetection: A Simple Framework for Semi-Supervised Few-Shot Object Detection10 Mar 2023
- 2023NIFF: Alleviating Forgetting in Generalized Few-Shot Object Detection via Neural Instance Feature Forging9 Mar 2023
- 2023An Effective Crop-Paste Pipeline for Few-shot Object Detection28 Feb 2023
- 2023Incremental Few-Shot Object Detection via Simple Fine-Tuning Approach20 Feb 2023
- 2023Generalized Few-Shot 3D Object Detection of LiDAR Point Cloud for Autonomous Driving8 Feb 2023
- 2023Few-Shot Object Detection via Variational Feature Aggregation31 Jan 2023
- 2023Explore the Power of Dropout on Few-shot Learning26 Jan 2023
- 2023Reference Twice: A Simple and Unified Baseline for Few-Shot Instance Segmentation3 Jan 2023
- 2022Proposal Distribution Calibration for Few-Shot Object Detection15 Dec 2022
50 newest of 116 All 116 (JSON)
- 2021OTA: Optimal Transport Assignment for Object Detectioncited by 177
- 2021FSCE: Few-Shot Object Detection via Contrastive Proposal Encodingcited by 168
- 2022A Comprehensive Survey of Few-shot Learning: Evolution, Applications, Challenges, and Opportunitiescited by 162
- 2021DeFRCN: Decoupled Faster R-CNN for Few-Shot Object Detectioncited by 106
- 2021Generalized Few-Shot Object Detection without Forgettingcited by 88
- 2021Beyond Max-Margin: Class Margin Equilibrium for Few-shot Object Detectioncited by 80
- 2021Semantic Relation Reasoning for Shot-Stable Few-Shot Object Detectioncited by 79
- 2021DETReg: Unsupervised Pretraining with Region Priors for Object Detectioncited by 76
- 2022Few-Shot Object Detection with Fully Cross-Transformercited by 64
- 2022Few-shot Object Counting with Similarity-Aware Feature Enhancementcited by 62
- 2021Meta Faster R-CNN: Towards Accurate Few-Shot Object Detection with Attentive Feature Alignmentcited by 57
- 2021Query Adaptive Few-Shot Object Detection with Heterogeneous Graph Convolutional Networkscited by 55
12 most cited of 112 All 112 (JSON)
- 2026Proposal Refinement for Few-Shot Object Detection8 Jun 2026
- 2026Learning Multi-Modal Prototypes for Cross-Domain Few-Shot Object Detection21 Feb 2026
- 2025Few-Shot Learning in Video and 3D Object Detection: A Survey22 Jul 2025
- 2025Attention-disentangled Uniform Orthogonal Feature Space Optimization for Few-shot Object Detection27 Jun 2025
- 2025Decoupling Classifier for Boosting Few-shot Object Detection and Instance Segmentation20 May 2025
- 2025Generalized Semantic Contrastive Learning via Embedding Side Information for Few-Shot Object Detection9 Apr 2025
- 2025From Dataset to Real-world: General 3D Object Detection via Generalized Cross-domain Few-shot Learning8 Mar 2025
- 2024Detect an Object At Once without Fine-tuning4 Nov 2024
- 2024Open-vocabulary vs. Closed-set: Best Practice for Few-shot Object Detection Considering Text Describability20 Oct 2024
- 2024CP-VoteNet: Contrastive Prototypical VoteNet for Few-Shot Point Cloud Object Detection30 Aug 2024
- 2024A Closer Look at Data Augmentation Strategies for Finetuning-Based Low/Few-Shot Object Detection20 Aug 2024
- 2024PS-TTL: Prototype-based Soft-labels and Test-Time Learning for Few-shot Object Detection11 Aug 2024
12 newest of 112 All 112 (JSON)