Diffusion Models for Trajectory Generation

Key Works

• DiffTraj (NeurIPS 2023): Generating GPS trajectories with diffusion probabilistic model
• ControlTraj (KDD 2024): Controllable trajectory generation with topology-constrained diffusion model
• SynMob (NeurIPS 2023): Creating high-fidelity synthetic GPS trajectory datasets

Research Focus

• Develop topology-constrained diffusion models for realistic trajectory generation
• Enable conditional generation with semantic constraints
• Create synthetic datasets for data augmentation and privacy protection

Video Introduction

This video demonstrates trajectory generation using our DiffTraj model. This is an AI-generated visualization for research demonstration purposes. For detailed technical information and experimental results, please refer to the original paper.