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Activation steering promises to be an extremely parameter-efficient form of adaptation, but its effectiveness depends on critical design choices -- such as intervention location and parameterization -- that currently rely on empirical…

Machine Learning · Computer Science 2026-03-09 Dyah Adila , John Cooper , Alexander Yun , Avi Trost , Frederic Sala

We present a data-driven numerical approach for on-the-fly active flow control and demonstrate its effectiveness for drag reduction in two-dimensional incompressible flow past a cylinder. The method is based on flow map learning (FML), a…

Numerical Analysis · Mathematics 2026-03-10 Xinyu Liu , Qifan Chen , Dongbin Xiu

Flow-based generative modeling is a powerful tool for solving inverse problems in physical sciences that can be used for sampling and likelihood evaluation with much lower inference times than traditional methods. We propose to refine flows…

Machine Learning · Computer Science 2024-10-31 Benjamin Holzschuh , Nils Thuerey

Vision-Language-Action (VLA) models show strong potential for general-purpose robotic manipulation, yet their closed-loop reliability often degrades under local deployment conditions. Existing evaluations typically treat test episodes as…

Robotics · Computer Science 2026-05-13 Jianchao Zhao , Huoren Yang , Yusong Hu , Yuyang Gao , Qiguan Ou , Cong Wan , SongLin Dong , Zhiheng Ma , Yihong Gong

Accent variability remains a major errors in automatic speech recognition, yet most adaptation methods rely on parameter fine-tuning without understanding where accent information is encoded. We treat accent variation as an interpretable…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Jinuo Sun , Yang Xiao , Sung Kyun Chung , Qiuchi Hu , Gongping Huang , Eun-Jung Holden , Ting Dang

Vision-language-action (VLA) models have shown strong potential for generalist robot manipulation, yet they remain limited by insufficient spatial reasoning, particularly in determining where to interact in complex visual scenes. While…

Robotics · Computer Science 2026-05-26 Runze Wang , Yuqian Fu , Yu Li , Tao Lin , Tianwen Qian , Mohamed Elhoseiny , Bo Zhao , Yanwei Fu , Yu-Gang Jiang , Xiangyang Xue

We introduce $\textbf{F}$uture $\textbf{LA}$tent $\textbf{RE}$presentation Alignment ($\textbf{FLARE}$), a novel framework that integrates predictive latent world modeling into robot policy learning. By aligning features from a diffusion…

Model steering represents a powerful technique that dynamically aligns large language models (LLMs) with human preferences during inference. However, conventional model-steering methods rely heavily on externally annotated data, not only…

Computation and Language · Computer Science 2025-07-15 Rongyi Zhu , Yuhui Wang , Tanqiu Jiang , Jiacheng Liang , Ting Wang

While large language models (LLMs) have seen unprecedented advancements in capabilities and applications across a variety of use-cases, safety alignment of these models is still an area of active research. The fragile nature of LLMs, even…

Computation and Language · Computer Science 2024-10-03 Amrita Bhattacharjee , Shaona Ghosh , Traian Rebedea , Christopher Parisien

Temporal information is essential to learning effective policies with Reinforcement Learning (RL). However, current state-of-the-art RL algorithms either assume that such information is given as part of the state space or, when learning…

Machine Learning · Computer Science 2021-01-07 Wenling Shang , Xiaofei Wang , Aravind Srinivas , Aravind Rajeswaran , Yang Gao , Pieter Abbeel , Michael Laskin

Recent work has shown that LLMs can sometimes detect when steering vectors are injected into their residual stream and identify the injected concept -- a phenomenon termed "introspective awareness." We investigate the mechanisms underlying…

Machine Learning · Computer Science 2026-05-18 Uzay Macar , Li Yang , Atticus Wang , Peter Wallich , Emmanuel Ameisen , Jack Lindsey

Vision-Language-Action (VLA) models have shown great performance in robotic manipulation by mapping visual observations and language instructions directly to actions. However, they remain brittle under distribution shifts: when test…

Robotics · Computer Science 2025-12-09 Siyu Xu , Zijian Wang , Yunke Wang , Chenghao Xia , Tao Huang , Chang Xu

So-called implicit behavioral cloning with energy-based models has shown promising results in robotic manipulation tasks. We tested if the method's advantages carry on to controlling the steering of a real self-driving car with an…

Robotics · Computer Science 2023-06-27 Mikita Balesni , Ardi Tampuu , Tambet Matiisen

While Vision-Language Models (VLMs) offer rich world knowledge for end-to-end autonomous driving, current approaches heavily rely on labor-intensive language annotations (e.g., VQA) to bridge perception and control. This paradigm suffers…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Chengen Xie , Chonghao Sima , Tianyu Li , Bin Sun , Junjie Wu , Zhihui Hao , Hongyang Li

Leveraging pretrained Vision-Language Models (VLMs) to map language instruction and visual observations to raw low-level actions, Vision-Language-Action models (VLAs) hold great promise for achieving general-purpose robotic systems. Despite…

Robotics · Computer Science 2025-09-30 Ji Zhang , Shihan Wu , Xu Luo , Hao Wu , Lianli Gao , Heng Tao Shen , Jingkuan Song

Diffusion-based vision-language-action models (dVLAs) are promising for embodied intelligence but are fundamentally limited in real-time deployment by the high latency of full inference. We propose Realtime-VLA FLASH, a speculative…

Robotics · Computer Science 2026-05-14 Jiahui Niu , Kefan Gu , Yucheng Zhao , Shengwen Liang , Tiancai Wang , Xing Hu , Ying Wang , Huawei Li

We propose CLAD -- a Constrained Latent Action Diffusion model for vision-language procedure planning in instructional videos. Procedure planning is the challenging task of predicting intermediate actions given a visual observation of a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Lei Shi , Andreas Bulling

Recently, steering vectors (SVs) have emerged as an effective and lightweight approach to steer behaviors of large language models (LLMs), among which fine-tuned SVs are more effective than optimization-free ones. However, current…

Machine Learning · Computer Science 2026-05-08 Yuntai Bao , Qinfeng Li , Xinyan Yu , Xuhong Zhang , Ge Su , Wenqi Zhang , Liu Yan , Haiqin Weng , Jianwei Yin

Federated Active Learning (FAL) has emerged as a promising framework to leverage large quantities of unlabeled data across distributed clients while preserving data privacy. However, real-world deployments remain limited by high annotation…

Machine Learning · Computer Science 2025-05-20 Haoyuan Li , Mathias Funk , Jindong Wang , Aaqib Saeed

Masked diffusion models have demonstrated competitive results on various tasks including language generation. However, due to its iterative refinement process, the inference is often bottlenecked by slow and static sampling speed. To…

Machine Learning · Computer Science 2026-03-09 Seo Hyun Kim , Sunwoo Hong , Hojung Jung , Youngrok Park , Se-Young Yun