TrajMind: Chaining Role-Specialized LoRAs for Fast-and-Slow Collective Trajectory Anomaly Diagnosis

arXiv:2609.02540 · cs.LG · Submitted 2026-09-02 · Read on arXiv

cs.LG

Submitted: 2026-09-02

Updated: 2026-09-04

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Verifier — 23× in this paper · explained in 2 episodes
• Accuracy — 18× in this paper · explained in 1 episode
• Verification — 12× in this paper · explained in 2 episodes
• Adaptation — 10× in this paper · explained in 1 episode
• GRPO — 9× in this paper · explained in 6 episodes
• Grounding — 7× in this paper · explained in 3 episodes
• Ablation — 6× in this paper · explained in 1 episode
• LoRA Adapters — 5× in this paper · explained in 3 episodes
• Calibration — 4× in this paper · explained in 7 episodes
• Robustness — 4× in this paper · explained in 5 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Abstention — 2× in this paper · explained in 1 episode
• Decode — 2× in this paper · explained in 2 episodes
• F1 Score — 2× in this paper · explained in 3 episodes
• Foundation Model — 2× in this paper · explained in 3 episodes
• Frozen model — 2× in this paper · explained in 3 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Multimodal Reasoning — 2× in this paper · explained in 5 episodes
• Reinforcement Learning — 2× in this paper · explained in 4 episodes
• Representation Learning — 2× in this paper · explained in 2 episodes
• Transformer — 2× in this paper · explained in 2 episodes
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Calibration Failure — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Domain Shift — 1× in this paper · explained in 4 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Foundation Models — 1× in this paper · explained in 7 episodes
• Multimodal Inputs — 1× in this paper · explained in 2 episodes
• Transferability — 1× in this paper · explained in 4 episodes
• Vision-Language Models (VLMs) — 1× in this paper · explained in 6 episodes

Sources

• Zoom In, Reason Out: Efficient Far-field Anomaly Detection in Expressway Surveillance Videos via Focused VLM Reasoning Guided by Bayesian Inference

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