我们介绍了iMotion-LLM,一种集成了轨迹预测模块的大型语言模型(LLM),用于交互式运动生成。与传统方法不同,它基于文本指令生成可行且安全对齐的轨迹,使驾驶行为具有适应性和上下文感知能力。它结合了编码器-解码器多模态轨迹预测模型与通过LoRA微调的预训练LLM,将场景特征投影到LLM输入空间,并将特殊标记映射到轨迹解码器,以实现基于文本的交互和可解释的驾驶。为了支持这一框架,我们引入了两个数据集:1)InstructWaymo,是Waymo Open Motion Dataset的扩展,包含基于方向的运动指令;2)Open-Vocabulary InstructNuPlan,包含安全对齐的指令-描述词对及其对应的安全轨迹场景。我们的实验验证了指令条件化能够生成符合预期条件的轨迹。iMotion-LLM在上下文理解方面表现出色,方向可行性检测的平均准确率为84%,开放式词汇指令的安全评估平均准确率为96%。这项工作为自动驾驶中的文本引导运动生成奠定了基础,支持模拟数据生成、模型可解释性和轨迹生成模型的稳健安全对齐测试。我们的代码、预训练模型和数据集可在:https://vision-cair.github.io/iMotion-LLM/ 上获取。
英文摘要:
We introduce iMotion-LLM, a large language model (LLM) integrated with trajectory prediction modules for interactive motion generation. Unlike conventional approaches, it generates feasible, safety-aligned trajectories based on textual instructions, enabling adaptable and context-aware driving behavior. It combines an encoder-decoder multimodal trajectory prediction model with a pre-trained LLM fine-tuned using LoRA, projecting scene features into the LLM input space and mapping special tokens to a trajectory decoder for text-based interaction and interpretable driving. To support this framework, we introduce two datasets: 1) InstructWaymo, an extension of the Waymo Open Motion Dataset with direction-based motion instructions, and 2) Open-Vocabulary InstructNuPlan, which features safety-aligned instruction-caption pairs and corresponding safe trajectory scenarios. Our experiments validate that instruction conditioning enables trajectory generation that follows the intended condition. iMotion-LLM demonstrates strong contextual comprehension, achieving 84% average accuracy in direction feasibility detection and 96% average accuracy in safety evaluation of open-vocabulary instructions. This work lays the foundation for text-guided motion generation in autonomous driving, supporting simulated data generation, model interpretability, and robust safety alignment testing for trajectory generation models. Our code, pre-trained model, and datasets are available at: https://vision-cair.github.io/iMotion-LLM/.
Instruction-as-State: Environment-Guided and State-Conditioned Semantic Understanding for Embodied Navigation
National Key Laboratory of Human-Machine Hybrid Augmented Intelligence(人机混合增强智能国家重点实验室);The Institute of Artificial Intelligence and Robotics(人工智能与机器人研究所);School of Information Science and Technology(信息科学与技术学院);Zhongguancun Academy(中关村学院)
Language-Conditioned World Modeling for Visual Navigation
University of Washington(华盛顿大学);National University of Singapore(新加坡国立大学);Clemson University(克莱姆森大学);Drexel University(德雷塞尔大学);Microsoft Research(微软研究院)
InstructSeq: Unifying Vision Tasks with Instruction-conditioned Multi-modal Sequence Generation
The Chinese University of Hong Kong(香港中文大学);Fudan University(复旦大学);Sensetime Research Institute(商汤研究院);Tsinghua University(清华大学);Shanghai Artificial Intelligence Laboratory(上海人工智能实验室)
doPlan: A Variable-Horizon Dataset for Multi-Stage Language-Conditioned Planning in Autonomous Driving
Laboratory for Intelligent & Safe Automobiles (LISA), University of California, San Diego(加州大学圣迭戈分校智能与安全汽车实验室(LISA));Machine Intelligence, Interaction, and Imagination (Mi) Laboratory, University of California, Merced(加州大学默塞德分校机器智能、交互与想象实验室(Mi))
Action- and Language-Conditioned Video Assessment for Embodied Control
Korea Advanced Institute of Science and Technology (KAIST)(韩国科学技术院);School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST)(韩国科学技术院电气工程学院)
Before the Body Moves: Learning Anticipatory Joint Intent for Language-Conditioned Humanoid Control
The Hong Kong University of Science and Technology (Guangzhou)(香港科技大学(广州));LimX Dynamics Technology Co., Ltd.(LimX动态技术有限公司);Shandong University(山东大学);Data61/CSIRO;Griffith University(格里菲斯大学);Institute of Deep Perception Technology, Jiangsu Industrial Technology Research Institute (JITRI)(深度感知技术研究院,江苏省工业技术研究院(JITRI))
Dynamic Cross-Modal Prompt Generation for Multimodal Continual Instruction Tuning
School of Artificial Intelligence, Nanjing University(南京大学人工智能学院);State Key Laboratory for Novel Software Technology, Nanjing University(南京大学新型软件技术国家重点实验室)