trajectory-generation

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#trajectory-generation

Looking Ahead and Back: Anticipatory Generative Modeling for Road-Network Trajectories

arXiv cs.AI ↗ · 6d ago Cached

论文提出一种面向路网轨迹生成的图约束生成范式 Anticipatory Generative Modeling,并提出模型 Foresight,通过"anticipate–select–update–re-anticipate"循环解决路口转移选择问题,超越扩散模型等基线方法。

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#trajectory-generation

Industrial Kinematic Trajectory Model (IKTM): Coordinate-Free Autoregressive Generator

arXiv cs.LG ↗ · 2026-09-22 Cached

The paper introduces the Industrial Kinematic Trajectory Model (IKTM), a coordinate-free autoregressive transformer that generates realistic vehicle trajectories for industrial environments without relying on absolute spatial coordinates.

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#trajectory-generation

Coarse-to-Fine Multi-Resolution Diffusion Models for Trajectory Generation in Urban Systems

arXiv cs.LG ↗ · 2026-08-18 Cached

The paper proposes MR-Traj, a multi-resolution diffusion framework for synthetic trajectory generation in urban systems, which captures complex spatial-temporal dependencies at multiple resolutions and improves performance in fine-grained mobility modeling for downstream tasks.

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Push-Wiper: Toward General-Purpose Robotic Cleaning across Varied Stains and Surfaces with Segmented Pushing Trajectories

Hugging Face Daily Papers ↗ · 2026-08-01 Cached

Push-Wiper is a robotics framework that reformulates viscous stain cleaning as an aggregation problem, using segmented pushing trajectories and a Diffusion Policy to generalize across stains, surfaces, and geometries, achieving up to 130% higher cleaning scores and zero-shot transfer.

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SevDiff: Severity-Conditioned Diffusion for Long-Tail Conflict Trajectory Generation

arXiv cs.LG ↗ · 2026-07-24 Cached

SevDiff is a severity-conditioned diffusion model for generating vehicle conflict trajectories with controlled time-to-collision values, achieving high hit-rate on a real-world dataset for ADAS evaluation.

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Large-Scale Terminal Agentic Trajectory Generation from Dockerized Environments

arXiv cs.CL ↗ · 2026-07-20 Cached

TerminalTraj is a scalable pipeline that generates high-quality terminal agent trajectories using Dockerized environments, achieving up to 20% improvement on terminal task benchmarks with models like TerminalTraj-32B.

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#trajectory-generation

RS-Diffuser: Risk-Sensitive Diffusion Planning with Distributional Value Guidance

arXiv cs.LG ↗ · 2026-06-29 Cached

RS-Diffuser 提出了一种风险敏感的离线扩散规划框架,结合扩散轨迹生成和分布值批评器,通过尾部感知目标在推理时灵活调整风险偏好,在安全关键任务中提升了回报和鲁棒性。

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TrajGenAgent: A Hierarchical LLM Agent for Human Mobility Trajectory Generation

arXiv cs.AI ↗ · 2026-06-12 Cached

TrajGenAgent proposes a hierarchical LLM agent framework that decouples macro-level activity planning from micro-level spatiotemporal instantiation for realistic human mobility trajectory generation without fine-tuning. It also introduces an anomaly-detection-based evaluation for behavioral fidelity.

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Mobility Anomaly Generation using LLM-Driven Behavior with Kinematic Constraints

arXiv cs.AI ↗ · 2026-06-10 Cached

Introduces a generative framework that uses LLM agents to inject behavioral anomalies into simulated trajectories and applies kinematic and map constraints to produce realistic anomalous mobility data with ground truth.

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Privacy Evaluation of Generative Models for Trajectory Generation

arXiv cs.LG ↗ · 2026-05-18 Cached

This paper systematically investigates privacy risks in generative models for trajectory data, identifying a gap in empirical privacy evaluation and demonstrating Membership Inference Attacks against representative models.

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RAD-2: Scaling Reinforcement Learning in a Generator-Discriminator Framework

Hugging Face Daily Papers ↗ · 2026-04-16 Cached

RAD-2 presents a unified generator-discriminator framework for autonomous driving that combines diffusion-based trajectory generation with RL-optimized reranking, achieving 56% collision rate reduction compared to diffusion-based planners. The approach introduces techniques like Temporally Consistent Group Relative Policy Optimization and BEV-Warp simulation environment for efficient large-scale training.

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