4D Panoptic Scene Graph Generation
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Abstract (arXiv)
We are living in a three-dimensional space while moving forward through a fourth dimension: time. To allow artificial intelligence to develop a comprehensive understanding of such a 4D environment, we introduce 4D Panoptic Scene Graph (PSG-4D), a new representation that bridges the raw visual data perceived in a dynamic 4D world and high-level visual understanding. Specifically, PSG-4D abstracts rich 4D sensory data into nodes, which represent entities with precise location and status information, and edges, which capture the temporal relations. To facilitate research in this new area, we build a richly annotated PSG-4D dataset consisting of 3K RGB-D videos with a total of 1M frames, each of which is labeled with 4D panoptic segmentation masks as well as fine-grained, dynamic scene graphs. To solve PSG-4D, we propose PSG4DFormer, a Transformer-based model that can predict panoptic segmentation masks, track masks along the time axis, and generate the corresponding scene graphs via a relation component. Extensive experiments on the new dataset show that our method can serve as a strong baseline for future research on PSG-4D. In the end, we provide a real-world application example to demonstrate how we can achieve dynamic scene understanding by integrating a large language model into our PSG-4D system.
Key facts. Cited by 22 papers in the map (data through 14 Oct 2026). Builds on 53 of its 70 references that are in the map. First posted on arXiv 16 May 2024.
Builds on
53 of 70 references.
References · 53
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- 2022Language Models as Zero-Shot Planners: Extracting Actionable Knowledge for Embodied Agentscited by 1,035
- 20173D Semantic Segmentation with Submanifold Sparse Convolutional Networkscited by 748
- 2017Scene Graph Generation by Iterative Message Passingcited by 462
- 2017Neural Motifs: Scene Graph Parsing with Global Contextcited by 414
- 2022HOI4D: A 4D Egocentric Dataset for Category-Level Human-Object Interactioncited by 327
- 2022SQA3D: Situated Question Answering in 3D Scenescited by 314
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- 20193D Scene Graph: A Structure for Unified Semantics, 3D Space, and Cameracited by 281
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- 2021Associating Objects with Transformers for Video Object Segmentationcited by 226
- 2020Learning 3D Semantic Scene Graphs from 3D Indoor Reconstructionscited by 208
- 2023Aria Digital Twin: A New Benchmark Dataset for Egocentric 3D Machine Perceptioncited by 167
- 2021SceneGraphFusion: Incremental 3D Scene Graph Prediction from RGB-D Sequencescited by 163
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- 2020Bi-directional Cross-Modality Feature Propagation with Separation-and-Aggregation Gate for RGB-D Semantic Segmentationcited by 122
- 2022Panoptic Scene Graph Generationcited by 114
- 2020GNN3DMOT: Graph Neural Network for 3D Multi-Object Tracking with Multi-Feature Learningcited by 113
- 2021Energy-Based Learning for Scene Graph Generationcited by 104
- 2021SGTR: End-to-end Scene Graph Generation with Transformercited by 103
- 2021Spatial-Temporal Transformer for Dynamic Scene Graph Generationcited by 96
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- 2023HiLo: Exploiting High Low Frequency Relations for Unbiased Panoptic Scene Graph Generationcited by 19
- 2023Pair then Relation: Pair-Net for Panoptic Scene Graph Generationcited by 17
50 most cited of 53 All 53 (JSON)
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Citing papers per year: 2024: 2; 2025: 14; 2026: 6.
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- 2025MM-OR: A Large Multimodal Operating Room Dataset for Semantic Understanding of High-Intensity Surgical Environmentscited by 28
- 2024CYCLO: Cyclic Graph Transformer Approach to Multi-Object Relationship Modeling in Aerial Videoscited by 11
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- 2025How Do Images Align and Complement LiDAR? Towards a Harmonized Multi-modal 3D Panoptic Segmentationcited by 8
- 2025Digital Twin Generation from Visual Data: A Surveycited by 7
- 2025Unbiased Video Scene Graph Generation via Visual and Semantic Dual Debiasingcited by 6
- 2025Learning 4D Panoptic Scene Graph Generation from Rich 2D Visual Scenecited by 6
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- 2026Frequency-guided Multi-level Reasoning for Scene Graph Generation in Videocited by 0
- 2026PanDA: Unsupervised Domain Adaptation for Multimodal 3D Panoptic Segmentation in Autonomous Drivingcited by 0
- 2026PUF: Plug-and-Play Uncertainty-Aware Fusion for Online 3D Scene Graph Generationcited by 0
- 2026GESTO: Human-Centric Spatio-Temporal Memory for Reasoning in Dynamic Scenescited by 0
- 2026GESTO: Human-Centric Spatio-Temporal Memory for Reasoning in Dynamic Scenes11 Aug 2026
- 2026PUF: Plug-and-Play Uncertainty-Aware Fusion for Online 3D Scene Graph Generation8 Jul 2026
- 2026PanDA: Unsupervised Domain Adaptation for Multimodal 3D Panoptic Segmentation in Autonomous Driving21 Apr 2026
- 2026Frequency-guided Multi-level Reasoning for Scene Graph Generation in Video19 Apr 2026
- 2026GTASA: Ground Truth Annotations for Spatiotemporal Analysis, Evaluation and Training of Video Models12 Apr 2026
- 2026Synthetic Visual Genome 2: Extracting Large-scale Spatio-Temporal Scene Graphs from Videos26 Feb 2026
- 2025Advances in 4D Representation: Geometry, Motion, and Interaction22 Oct 2025
- 2025UNO: Unifying One-stage Video Scene Graph Generation via Object-Centric Visual Representation Learning7 Sep 2025
- 2025M3DMap: Object-aware Multimodal 3D Mapping for Dynamic Environments23 Aug 2025
- 2025Agent Identity Evals: Measuring Agentic Identity23 Jul 2025
- 2025Hi-Dyna Graph: Hierarchical Dynamic Scene Graph for Robotic Autonomy in Human-Centric Environments30 May 2025
- 2025How Do Images Align and Complement LiDAR? Towards a Harmonized Multi-modal 3D Panoptic Segmentation25 May 2025
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- 2025DyGEnc: Encoding a Sequence of Textual Scene Graphs to Reason and Answer Questions in Dynamic Scenes6 May 2025
- 2025Digital Twin Generation from Visual Data: A Survey17 Apr 2025
- 2025SG-Tailor: Inter-Object Commonsense Relationship Reasoning for Scene Graph Manipulation23 Mar 2025
- 2025Learning 4D Panoptic Scene Graph Generation from Rich 2D Visual Scene19 Mar 2025
- 2025Universal Scene Graph Generation19 Mar 2025
- 2025FORESCENE: FOREcasting human activity via latent SCENE graphs diffusion8 Mar 2025
- 2025MM-OR: A Large Multimodal Operating Room Dataset for Semantic Understanding of High-Intensity Surgical Environments4 Mar 2025
- 2025Unbiased Video Scene Graph Generation via Visual and Semantic Dual Debiasing1 Mar 2025
- 2024A Fair Ranking and New Model for Panoptic Scene Graph Generation12 Jul 2024
- 2024CYCLO: Cyclic Graph Transformer Approach to Multi-Object Relationship Modeling in Aerial Videos3 Jun 2024
- 2025Agent Identity Evals: Measuring Agentic Identitycited by 5
- 2025Agent Identity Evals: Measuring Agentic Identity23 Jul 2025
- 2025MM-OR: A Large Multimodal Operating Room Dataset for Semantic Understanding of High-Intensity Surgical Environmentscited by 28
- 2024CYCLO: Cyclic Graph Transformer Approach to Multi-Object Relationship Modeling in Aerial Videoscited by 11
- 2025Universal Scene Graph Generationcited by 11
- 2025How Do Images Align and Complement LiDAR? Towards a Harmonized Multi-modal 3D Panoptic Segmentationcited by 8
- 2025Digital Twin Generation from Visual Data: A Surveycited by 7
- 2025Unbiased Video Scene Graph Generation via Visual and Semantic Dual Debiasingcited by 6
- 2025Learning 4D Panoptic Scene Graph Generation from Rich 2D Visual Scenecited by 6
- 2024A Fair Ranking and New Model for Panoptic Scene Graph Generationcited by 4
- 2025Advances in 4D Representation: Geometry, Motion, and Interactioncited by 4
- 2026Synthetic Visual Genome 2: Extracting Large-scale Spatio-Temporal Scene Graphs from Videoscited by 3
- 2025Hi-Dyna Graph: Hierarchical Dynamic Scene Graph for Robotic Autonomy in Human-Centric Environmentscited by 2
- 2025UNO: Unifying One-stage Video Scene Graph Generation via Object-Centric Visual Representation Learningcited by 2
12 most cited of 20 All 20 (JSON)
- 2026GESTO: Human-Centric Spatio-Temporal Memory for Reasoning in Dynamic Scenes11 Aug 2026
- 2026PUF: Plug-and-Play Uncertainty-Aware Fusion for Online 3D Scene Graph Generation8 Jul 2026
- 2026PanDA: Unsupervised Domain Adaptation for Multimodal 3D Panoptic Segmentation in Autonomous Driving21 Apr 2026
- 2026Frequency-guided Multi-level Reasoning for Scene Graph Generation in Video19 Apr 2026
- 2026GTASA: Ground Truth Annotations for Spatiotemporal Analysis, Evaluation and Training of Video Models12 Apr 2026
- 2026Synthetic Visual Genome 2: Extracting Large-scale Spatio-Temporal Scene Graphs from Videos26 Feb 2026
- 2025Advances in 4D Representation: Geometry, Motion, and Interaction22 Oct 2025
- 2025UNO: Unifying One-stage Video Scene Graph Generation via Object-Centric Visual Representation Learning7 Sep 2025
- 2025M3DMap: Object-aware Multimodal 3D Mapping for Dynamic Environments23 Aug 2025
- 2025Hi-Dyna Graph: Hierarchical Dynamic Scene Graph for Robotic Autonomy in Human-Centric Environments30 May 2025
- 2025How Do Images Align and Complement LiDAR? Towards a Harmonized Multi-modal 3D Panoptic Segmentation25 May 2025
- 2025Digital Twin Generation from Visual Data: A Survey17 Apr 2025
12 newest of 20 All 20 (JSON)