Temporal-Relational CrossTransformers for Few-Shot Action Recognition
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Abstract (arXiv)
We propose a novel approach to few-shot action recognition, finding temporally-corresponding frame tuples between the query and videos in the support set. Distinct from previous few-shot works, we construct class prototypes using the CrossTransformer attention mechanism to observe relevant sub-sequences of all support videos, rather than using class averages or single best matches. Video representations are formed from ordered tuples of varying numbers of frames, which allows sub-sequences of actions at different speeds and temporal offsets to be compared. Our proposed Temporal-Relational CrossTransformers (TRX) achieve state-of-the-art results on few-shot splits of Kinetics, Something-Something V2 (SSv2), HMDB51 and UCF101. Importantly, our method outperforms prior work on SSv2 by a wide margin (12%) due to the its ability to model temporal relations. A detailed ablation showcases the importance of matching to multiple support set videos and learning higher-order relational CrossTransformers.
Key facts. Cited by 84 papers in the map (data through 14 Oct 2026). Builds on 25 of its 36 references that are in the map. First posted on arXiv 15 Jan 2021.
Builds on
25 of 36 references.
References · 25
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- 2019Improved Few-Shot Visual Classificationcited by 115
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Citing papers per year: 2021: 8; 2022: 17; 2023: 21; 2024: 17; 2025: 15; 2026: 6.
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- 2021Prompting Visual-Language Models for Efficient Video Understandingcited by 310
- 2022Video Transformers: A Surveycited by 63
- 2021Spatio-temporal Relation Modeling for Few-shot Action Recognitioncited by 53
- 2022Hybrid Relation Guided Set Matching for Few-shot Action Recognitioncited by 50
- 2023CLIP-guided Prototype Modulating for Few-shot Action Recognitioncited by 41
- 2023MoLo: Motion-augmented Long-short Contrastive Learning for Few-shot Action Recognitioncited by 37
- 2022Compound Prototype Matching for Few-shot Action Recognitioncited by 35
- 2023M3Net: Multi-view Encoding, Matching, and Fusion for Few-shot Fine-grained Action Recognitioncited by 34
- 2022DirecFormer: A Directed Attention in Transformer Approach to Robust Action Recognitioncited by 31
- 2022Proposal-Free Temporal Action Detection via Global Segmentation Mask Learningcited by 29
- 2021Few-shot Action Recognition with Prototype-centered Attentive Learningcited by 28
- 2022Learn2Augment: Learning to Composite Videos for Data Augmentation in Action Recognitioncited by 27
38 more
- 2023What can a cook in Italy teach a mechanic in India? Action Recognition Generalisation Over Scenarios and Locationscited by 25
- 2024MVP-Shot: Multi-Velocity Progressive-Alignment Framework for Few-Shot Action Recognitioncited by 25
- 2022HyperShot: Few-Shot Learning by Kernel HyperNetworkscited by 24
- 2023Boosting Few-shot Action Recognition with Graph-guided Hybrid Matchingcited by 24
- 2022Label2Label: A Language Modeling Framework for Multi-Attribute Learningcited by 23
- 2023Use Your Head: Improving Long-Tail Video Recognitioncited by 22
- 2022Uncertainty-DTW for Time Series and Sequencescited by 21
- 2021A Closer Look at Few-Shot Video Classification: A New Baseline and Benchmarkcited by 16
- 2023Revisiting the Spatial and Temporal Modeling for Few-shot Action Recognitioncited by 15
- 2021A New Split for Evaluating True Zero-Shot Action Recognitioncited by 14
- 2022Delving Deep into One-Shot Skeleton-based Action Recognition with Diverse Occlusionscited by 13
- 2022Semantic-aligned Fusion Transformer for One-shot Object Detectioncited by 13
- 2022Multimodal Prototype-Enhanced Network for Few-Shot Action Recognitioncited by 13
- 2023HyRSM++: Hybrid Relation Guided Temporal Set Matching for Few-shot Action Recognitioncited by 12
- 2024Taylor Videos for Action Recognitioncited by 12
- 2023On the Importance of Spatial Relations for Few-shot Action Recognitioncited by 11
- 2024A Comprehensive Review of Few-shot Action Recognitioncited by 11
- 2022Hierarchical Compositional Representations for Few-shot Action Recognitioncited by 10
- 2024Trajectory-aligned Space-time Tokens for Few-shot Action Recognitioncited by 10
- 2024Frame Order Matters: A Temporal Sequence-Aware Model for Few-Shot Action Recognitioncited by 10
- 2025Temporal Alignment-Free Video Matching for Few-shot Action Recognitioncited by 10
- 2022Task-adaptive Spatial-Temporal Video Sampler for Few-shot Action Recognitioncited by 9
- 2023Few-shot Action Recognition with Captioning Foundation Modelscited by 9
- 2021MASTAF: A Model-Agnostic Spatio-Temporal Attention Fusion Network for Few-shot Video Classificationcited by 8
- 2024ActionHub: A Large-scale Action Video Description Dataset for Zero-shot Action Recognitioncited by 8
- 2024Task-Adapter: Task-specific Adaptation of Image Models for Few-shot Action Recognitioncited by 8
- 2021Few-Shot Fine-Grained Action Recognition via Bidirectional Attention and Contrastive Meta-Learningcited by 7
- 2023Augmenting and Aligning Snippets for Few-Shot Video Domain Adaptationcited by 7
- 2023Few-shot Action Recognition via Intra- and Inter-Video Information Maximizationcited by 7
- 2023Semantic-aware Video Representation for Few-shot Action Recognitioncited by 7
- 2024From CNNs to Transformers in Multimodal Human Action Recognition: A Surveycited by 7
- 2025Trokens: Semantic-Aware Relational Trajectory Tokens for Few-Shot Action Recognitioncited by 7
- 2022Knowledge Prompting for Few-shot Action Recognitioncited by 6
- 2025Uni-Hand: Universal Hand Motion Forecasting in Egocentric Viewscited by 5
- 2023MA-FSAR: Multimodal Adaptation of CLIP for Few-Shot Action Recognitioncited by 4
- 2023Telling Stories for Common Sense Zero-Shot Action Recognitioncited by 4
- 2023Consistency Prototype Module and Motion Compensation for Few-Shot Action Recognition (CLIP-CPM2C)cited by 4
- 2024Learning Causal Domain-Invariant Temporal Dynamics for Few-Shot Action Recognitioncited by 4
50 most cited of 84 All 84 (JSON)
- 2026Closing the Estimation Gap: Training-Free Transductive Inference for Cross-Domain Few-Shot Action Recognition13 Oct 2026
- 2026Few-Shot Video Recognition via Hierarchical Metric Learning4 Sep 2026
- 2026STAR: Semantic-Temporal Adaptive Representation Learning for Few-Shot Action Recognition13 May 2026
- 2026Knowledge is Power: Advancing Few-shot Action Recognition with Multimodal Semantics from MLLMs27 Mar 2026
- 2026A Baseline Study and Benchmark for Few-Shot Open-Set Action Recognition with Feature Residual Discrimination4 Mar 2026
- 2026Spatio-temporal Decoupled Knowledge Compensator for Few-Shot Action Recognition20 Feb 2026
- 2025Task-Specific Distance Correlation Matching for Few-Shot Action Recognition12 Dec 2025
- 2025Modality-Collaborative Low-Rank Decomposers for Few-Shot Video Domain Adaptation24 Nov 2025
- 2025Uni-Hand: Universal Hand Motion Forecasting in Egocentric Views17 Nov 2025
- 2025Otter: Mitigating Background Distractions of Wide-Angle Few-Shot Action Recognition with Enhanced RWKV10 Nov 2025
- 2025Cattle-CLIP: A Multimodal Framework for Cattle Behaviour Recognition from Video10 Oct 2025
- 2025A2M2-Net: Adaptively Aligned Multi-Scale Moment for Few-Shot Action Recognition22 Sep 2025
38 more
- 2025Trokens: Semantic-Aware Relational Trajectory Tokens for Few-Shot Action Recognition5 Aug 2025
- 2025Beyond Label Semantics: Language-Guided Action Anatomy for Few-shot Action Recognition22 Jul 2025
- 2025Active Multimodal Distillation for Few-shot Action Recognition16 Jun 2025
- 2025Task-Adapter++: Task-specific Adaptation with Order-aware Alignment for Few-shot Action Recognition9 May 2025
- 2025Hierarchical Relation-augmented Representation Generalization for Few-shot Action Recognition14 Apr 2025
- 2025Temporal Alignment-Free Video Matching for Few-shot Action Recognition8 Apr 2025
- 2025Joint Image-Instance Spatial-Temporal Attention for Few-shot Action Recognition11 Mar 2025
- 2025Learning to Animate Images from A Few Videos to Portray Delicate Human Actions1 Mar 2025
- 2025Adaptive Prototype Model for Attribute-based Multi-label Few-shot Action Recognition18 Feb 2025
- 2024Manta: Enhancing Mamba for Few-Shot Action Recognition of Long Sub-Sequence10 Dec 2024
- 2024Video-to-Task Learning via Motion-Guided Attention for Few-Shot Action Recognition18 Nov 2024
- 2024Frame Order Matters: A Temporal Sequence-Aware Model for Few-Shot Action Recognition22 Aug 2024
- 2024MU-MAE: Multimodal Masked Autoencoders-Based One-Shot Learning8 Aug 2024
- 2024Task-Adapter: Task-specific Adaptation of Image Models for Few-shot Action Recognition1 Aug 2024
- 2024Trajectory-aligned Space-time Tokens for Few-shot Action Recognition25 Jul 2024
- 2024SOAP: Enhancing Spatio-Temporal Relation and Motion Information Capturing for Few-Shot Action Recognition23 Jul 2024
- 2024A Comprehensive Review of Few-shot Action Recognition20 Jul 2024
- 2024DMSD-CDFSAR: Distillation from Mixed-Source Domain for Cross-Domain Few-shot Action Recognition8 Jul 2024
- 2024Understanding the Cross-Domain Capabilities of Video-Based Few-Shot Action Recognition Models3 Jun 2024
- 2024From CNNs to Transformers in Multimodal Human Action Recognition: A Survey22 May 2024
- 2024MVP-Shot: Multi-Velocity Progressive-Alignment Framework for Few-Shot Action Recognition3 May 2024
- 2024Enabling Generalized Zero-shot Learning Towards Unseen Domains by Intrinsic Learning from Redundant LLM Semantics21 Mar 2024
- 2024Learning Causal Domain-Invariant Temporal Dynamics for Few-Shot Action Recognition20 Feb 2024
- 2024Taylor Videos for Action Recognition5 Feb 2024
- 2024ActionHub: A Large-scale Action Video Description Dataset for Zero-shot Action Recognition22 Jan 2024
- 2024Multi-view Distillation based on Multi-modal Fusion for Few-shot Action Recognition(CLIP-M2DF)16 Jan 2024
- 2023D2ST-Adapter: Disentangled-and-Deformable Spatio-Temporal Adapter for Few-shot Action Recognition3 Dec 2023
- 2023Consistency Prototype Module and Motion Compensation for Few-Shot Action Recognition (CLIP-CPM2C)2 Dec 2023
- 2023Semantic-aware Video Representation for Few-shot Action Recognition10 Nov 2023
- 2023Few-shot Action Recognition with Captioning Foundation Models16 Oct 2023
- 2023Telling Stories for Common Sense Zero-Shot Action Recognition29 Sep 2023
- 2023Text-to-feature diffusion for audio-visual few-shot learning7 Sep 2023
- 2023Boosting Few-shot Action Recognition with Graph-guided Hybrid Matching18 Aug 2023
- 2023On the Importance of Spatial Relations for Few-shot Action Recognition14 Aug 2023
- 2023M3Net: Multi-view Encoding, Matching, and Fusion for Few-shot Fine-grained Action Recognition6 Aug 2023
- 2023MA-FSAR: Multimodal Adaptation of CLIP for Few-Shot Action Recognition3 Aug 2023
- 2023Task-Specific Alignment and Multiple Level Transformer for Few-Shot Action Recognition5 Jul 2023
- 2023What can a cook in Italy teach a mechanic in India? Action Recognition Generalisation Over Scenarios and Locations14 Jun 2023
50 newest of 84 All 84 (JSON)
- 2021Prompting Visual-Language Models for Efficient Video Understandingcited by 310
- 2022Video Transformers: A Surveycited by 63
- 2021Spatio-temporal Relation Modeling for Few-shot Action Recognitioncited by 53
- 2022Hybrid Relation Guided Set Matching for Few-shot Action Recognitioncited by 50
- 2023CLIP-guided Prototype Modulating for Few-shot Action Recognitioncited by 41
- 2023MoLo: Motion-augmented Long-short Contrastive Learning for Few-shot Action Recognitioncited by 37
- 2022Compound Prototype Matching for Few-shot Action Recognitioncited by 35
- 2023M3Net: Multi-view Encoding, Matching, and Fusion for Few-shot Fine-grained Action Recognitioncited by 34
- 2022DirecFormer: A Directed Attention in Transformer Approach to Robust Action Recognitioncited by 31
- 2022Proposal-Free Temporal Action Detection via Global Segmentation Mask Learningcited by 29
- 2021Few-shot Action Recognition with Prototype-centered Attentive Learningcited by 28
- 2022Learn2Augment: Learning to Composite Videos for Data Augmentation in Action Recognitioncited by 27
12 most cited of 79 All 79 (JSON)
- 2026Closing the Estimation Gap: Training-Free Transductive Inference for Cross-Domain Few-Shot Action Recognition13 Oct 2026
- 2026Few-Shot Video Recognition via Hierarchical Metric Learning4 Sep 2026
- 2026A Baseline Study and Benchmark for Few-Shot Open-Set Action Recognition with Feature Residual Discrimination4 Mar 2026
- 2026Spatio-temporal Decoupled Knowledge Compensator for Few-Shot Action Recognition20 Feb 2026
- 2025Task-Specific Distance Correlation Matching for Few-Shot Action Recognition12 Dec 2025
- 2025Modality-Collaborative Low-Rank Decomposers for Few-Shot Video Domain Adaptation24 Nov 2025
- 2025Uni-Hand: Universal Hand Motion Forecasting in Egocentric Views17 Nov 2025
- 2025Otter: Mitigating Background Distractions of Wide-Angle Few-Shot Action Recognition with Enhanced RWKV10 Nov 2025
- 2025Cattle-CLIP: A Multimodal Framework for Cattle Behaviour Recognition from Video10 Oct 2025
- 2025A2M2-Net: Adaptively Aligned Multi-Scale Moment for Few-Shot Action Recognition22 Sep 2025
- 2025Trokens: Semantic-Aware Relational Trajectory Tokens for Few-Shot Action Recognition5 Aug 2025
- 2025Beyond Label Semantics: Language-Guided Action Anatomy for Few-shot Action Recognition22 Jul 2025
12 newest of 79 All 79 (JSON)