ARROW: Arbitrary Reconstruction and Tracking of 4D Observations in the Wild

arXiv:2610.01314 · cs.CV · Submitted 2026-10-01 · Read on arXiv

cs.CV

Submitted: 2026-10-01

Updated: 2026-10-01

Code: https://github.com/Lijiaxin0111/Open-d4rt

Terminology

• Ablation — 15× in this paper · explained in 1 episode
• Benchmark — 15× in this paper · explained in 2 episodes
• Embeddings — 15× in this paper · explained in 2 episodes
• Transformer — 10× in this paper · explained in 2 episodes
• Accuracy — 7× in this paper · explained in 1 episode
• Adaptation — 6× in this paper · explained in 1 episode
• Aria Digital Twin — 6× in this paper
• Digital Twin — 6× in this paper · explained in 5 episodes
• Alignment — 5× in this paper · explained in 1 episode
• Calibration — 5× in this paper · explained in 7 episodes
• AUC — 4× in this paper · explained in 2 episodes
• Consistency — 4× in this paper · explained in 3 episodes
• Decode — 3× in this paper · explained in 2 episodes
• Generalization — 3× in this paper · explained in 13 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Adam — 2× in this paper · explained in 2 episodes
• Core — 2× in this paper · explained in 2 episodes
• Fine-Tuning — 2× in this paper · explained in 5 episodes
• Feature Selection — 1× in this paper · explained in 4 episodes
• Grounding — 1× in this paper · explained in 3 episodes
• Local Optimization — 1× in this paper · explained in 2 episodes
• Multimodal Dataset — 1× in this paper · explained in 2 episodes
• Optical Flow — 1× in this paper · explained in 2 episodes
• Point Clouds — 1× in this paper · explained in 2 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Sparsity — 1× in this paper · explained in 4 episodes

Sources

• VGGT4D: Mining Motion Cues in Visual Geometry Transformers for 4D Scene Reconstruction
• MVTrack4Gen: Multi-View Point Tracking as Geometric Supervision for 4D Video Generation
• SM4RT: Learning Structured Motion Geometry for 4D Reconstruction
• Trace Anything: Representing Any Video in 4D via Trajectory Fields
• Track4World: Feedforward World-centric Dense 3D Tracking of All Pixels
• DELTAv2: Accelerating Dense 3D Tracking
• Flow4R: Unifying 4D Reconstruction and Tracking with Scene Flow

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