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The ability to generate a diverse and plausible distribution of future trajectories is a critical capability for autonomous vehicle planning systems. While recent generative models have shown promise, achieving high fidelity, computational…

Robotics · Computer Science 2025-09-09 Antonio Guillen-Perez

With the increasing data volume, there is a trend of using large-scale pre-trained models to store the knowledge into an enormous number of model parameters. The training of these models is composed of lots of dense algebras, requiring a…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-04-11 Xiaonan Nie , Xupeng Miao , Zilong Wang , Zichao Yang , Jilong Xue , Lingxiao Ma , Gang Cao , Bin Cui

Masked diffusion language models (MDLMs) offer the potential for parallel token generation, but most open-source MDLMs decode fewer than 5 tokens per model forward pass even with sophisticated sampling strategies, limiting their parallel…

Machine Learning · Computer Science 2026-02-09 Shirui Chen , Jiantao Jiao , Lillian J. Ratliff , Banghua Zhu

Vision-language-action (VLA) models have shown strong generalization across tasks and embodiments; however, their reliance on large-scale human demonstrations limits their scalability owing to the cost and effort of manual data collection.…

Robotics · Computer Science 2025-09-30 Rushuai Yang , Hangxing Wei , Ran Zhang , Zhiyuan Feng , Xiaoyu Chen , Tong Li , Chuheng Zhang , Li Zhao , Jiang Bian , Xiu Su , Yi Chen

The integration of Vision-Language-Action (VLA) models into autonomous driving systems offers a unified framework for interpreting complex scenes and executing control commands. However, the necessity to incorporate historical multi-view…

Robotics · Computer Science 2026-03-30 Yiru Wang , Anqing Jiang , Shuo Wang , Yuwen Heng , Zichong Gu , Hao Sun

The Mixture-of-Experts (MoE) architecture is a powerful technique for scaling language models, yet it often suffers from expert homogenization, where experts learn redundant functionalities, thereby limiting MoE's full potential. To address…

Machine Learning · Computer Science 2026-03-03 Jiaang Li , Haibin Chen , Langming Liu , Yujin Yuan , Yadao Wang , Yizhen Zhang , Chengting Yu , Xin Tong , Weidong Zhang , Shilei Liu , Wenbo Su , Bo Zheng

End-to-end autonomous driving is increasingly adopting a multimodal planning paradigm that generates multiple trajectory candidates and selects the final plan, making candidate-set design critical. A fixed trajectory vocabulary provides…

Robotics · Computer Science 2026-02-05 Zhengfei Wu , Shuaixi Pan , Shuohan Chen , Shuo Yang , Yanjun Huang

Precision-critical manipulation requires both global trajectory organization and local execution correction, yet most vision-language-action (VLA) policies generate actions within a single unified space. This monolithic formulation forces…

Robotics · Computer Science 2026-04-21 Tingzheng Jia , Kan Guo , Lanping Qian , Yongli Hu , Daxin Tian , Guixian Qu , Chunmian Lin , Baocai Yin , Jiapu Wang

Vision-language models (VLMs) serve as general-purpose end-to-end models in autonomous driving, performing subtasks such as prediction, planning, and perception through question-and-answer interactions. However, most existing methods rely…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Enming Zhang , Xingyuan Dai , Min Huang , Yisheng Lv , Qinghai Miao

In this work, we introduce LLaDA-V, a purely diffusion-based Multimodal Large Language Model (MLLM) that integrates visual instruction tuning with masked diffusion models, representing a departure from the autoregressive paradigms dominant…

Machine Learning · Computer Science 2025-06-05 Zebin You , Shen Nie , Xiaolu Zhang , Jun Hu , Jun Zhou , Zhiwu Lu , Ji-Rong Wen , Chongxuan Li

Diffusion language models, as a promising alternative to traditional autoregressive (AR) models, enable faster generation and richer conditioning on bidirectional context. However, they suffer from a key discrepancy between training and…

Machine Learning · Computer Science 2025-09-26 Haoyu He , Katrin Renz , Yong Cao , Andreas Geiger

Large pretrained diffusion models have demonstrated impressive generation capabilities and have been adapted to various downstream tasks. However, unlike Large Language Models (LLMs) that can learn multiple tasks in a single model based on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Ming Tao , Bing-Kun Bao , Yaowei Wang , Changsheng Xu

End-to-end autonomous driving has emerged as a promising paradigm for directly mapping sensor inputs to planning maneuvers using learning-based modular integrations. However, existing imitation learning (IL)-based models suffer from…

Robotics · Computer Science 2025-06-12 Haochen Liu , Tianyu Li , Haohan Yang , Li Chen , Caojun Wang , Ke Guo , Haochen Tian , Hongchen Li , Hongyang Li , Chen Lv

Recent advancements in general-purpose or domain-specific multimodal large language models (LLMs) have witnessed remarkable progress for medical decision-making. However, they are designated for specific classification or generative tasks,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Songtao Jiang , Tuo Zheng , Yan Zhang , Yeying Jin , Li Yuan , Zuozhu Liu

We introduce WAM-Flow, a vision-language-action (VLA) model that casts ego-trajectory planning as discrete flow matching over a structured token space. In contrast to autoregressive decoders, WAM-Flow performs fully parallel, bidirectional…

Robotics · Computer Science 2025-12-17 Yifang Xu , Jiahao Cui , Feipeng Cai , Zhihao Zhu , Hanlin Shang , Shan Luan , Mingwang Xu , Neng Zhang , Yaoyi Li , Jia Cai , Siyu Zhu

We aim to improve the reasoning capabilities of diffusion language models (DLMs). While SFT is a popular post-training recipe for autoregressive models, its use in DLMs faces challenges and can even hurt performance, though the underlying…

Computation and Language · Computer Science 2026-05-25 Shubham Parashar , Atharv Chagi , Jacob Helwig , Lakshmi Jotsna , Sushil Vemuri , James Caverlee , Dileep Kalathil , Shuiwang Ji

Mixture-of-Experts (MoE) architectures enhance the efficiency of large language models by activating only a subset of experts per token. However, standard MoE employs a fixed Top-K routing strategy, leading to redundant computation and…

Artificial Intelligence · Computer Science 2026-05-15 Juntong Wu , Jialiang Cheng , Qishen Yin , Yue Dai , Yuliang Yan , Fuyu Lv , Ou Dan , Li Yuan

Diffusion models have demonstrated remarkable success in various image generation tasks, but their performance is often limited by the uniform processing of inputs across varying conditions and noise levels. To address this limitation, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Minglei Shi , Ziyang Yuan , Haotian Yang , Xintao Wang , Mingwu Zheng , Xin Tao , Wenliang Zhao , Wenzhao Zheng , Jie Zhou , Jiwen Lu , Pengfei Wan , Di Zhang , Kun Gai

Masked diffusion language models (MDLMs) have emerged as a promising alternative to dominant autoregressive approaches. Although they achieve competitive performance on several tasks, a substantial gap remains in open-ended text generation.…

Computation and Language · Computer Science 2026-02-02 Mengyu Ye , Ryosuke Takahashi , Keito Kudo , Jun Suzuki

Vision-language-action models have reshaped autonomous driving to incorporate languages into the decision-making process. However, most existing pipelines only utilize the language modality for scene descriptions or reasoning and lack the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Sicheng Zuo , Yuxuan Li , Wenzhao Zheng , Zheng Zhu , Jie Zhou , Jiwen Lu