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Reinforcement learning (RL) fine-tuning has shown promise for Vision-Language-Action (VLA) models in robotic manipulation, but deployment-time visual shifts pose practical challenges. A key difficulty is that standard task rewards supervise…

Robotics · Computer Science 2026-05-14 Yuanfang Peng , Jingjing Fu , Chuheng Zhang , Li Zhao , Jiang Bian , Mingyu Liu , Ling Zhang , Jun Zhang , Rui Wang

The widespread use of high energy particle beams in basic research, medicine and coherent X-ray generation coupled with the large size of modern radio frequency (RF) accelerator devices and facilities has motivated a strong need for…

With the continuous growth of neural network scales, low-precision quantization is widely used in edge accelerators. Classic multi-threshold activation hardware requires 2^n thresholds for n-bit outputs, causing a rapid increase in hardware…

Hardware Architecture · Computer Science 2026-02-27 Yuhao Liu , Salim Ullah , Akash Kumar

Photorealistic Codec Avatars (PCA), which generate high-fidelity human face renderings, are increasingly being used in Virtual Reality (VR) environments to enable immersive communication and interaction through deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Mingzhi Zhu , Ding Shang , Sai Qian Zhang

Synthetic Aperture Radar (SAR) Automatic Target Recognition (ATR) is a key technique used in military applications like remote-sensing image recognition. Vision Transformers (ViTs) are the current state-of-the-art in various computer vision…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Sachini Wickramasinghe , Dhruv Parikh , Bingyi Zhang , Rajgopal Kannan , Viktor Prasanna , Carl Busart

Dynamic obstacle avoidance (DOA) is a fundamental challenge for any autonomous vehicle, independent of whether it operates in sea, air, or land. This paper proposes a two-step architecture for handling DOA tasks by combining supervised and…

Robotics · Computer Science 2024-08-20 Fabian Hart , Martin Waltz , Ostap Okhrin

Vision-Language-Action (VLA) models extend vision-language models to embodied control by mapping natural-language instructions and visual observations to robot actions. Despite their capabilities, VLA systems face significant challenges due…

Robotics · Computer Science 2025-10-24 Weifan Guan , Qinghao Hu , Aosheng Li , Jian Cheng

Vision language action (VLA) models enable generalist robotic agents but often exhibit language ignorance, relying on visual shortcuts and remaining insensitive to instruction changes. We present Prospective Grounding and Alignment VLA…

Robotics · Computer Science 2026-04-14 Nastaran Darabi , Amit Ranjan Trivedi

Visual grounding (VG) is a challenging task to localize an object in an image based on a textual description. Recent surge in the scale of VG models has substantially improved performance, but also introduced a significant burden on…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Ting Liu , Xuyang Liu , Siteng Huang , Honggang Chen , Quanjun Yin , Long Qin , Donglin Wang , Yue Hu

The next generation HPC and data centers are likely to be reconfigurable and data-centric due to the trend of hardware specialization and the emergence of data-driven applications. In this paper, we propose ARENA -- an asynchronous…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-20 Cheng Tan , Chenhao Xie , Tong Geng , Andres Marquez , Antonino Tumeo , Kevin Barker , Ang Li

Grounding natural-language instructions into continuous control for quadruped robots remains a fundamental challenge in vision language action. Existing methods struggle to bridge high-level semantic reasoning and low-level actuation,…

Robotics · Computer Science 2025-11-25 Ting Huang , Dongjian Li , Rui Yang , Zeyu Zhang , Zida Yang , Hao Tang

Existing gaze controllers for head-eye robots can only handle single fixation points. Here, a generic controller for head-eye robots capable of executing simultaneous and prioritized fixation trajectories in Cartesian space is presented.…

Robotics · Computer Science 2018-09-25 Steven Jens Jorgensen , Orion Campbell , Travis Llado , Jaemin Lee , Brandon Shang , Luis Sentis

A fundamental capability for On-orbit Servicing, Assembly, and Manufacturing (OSAM) is inspection of the vehicle to be serviced, or the structure being assembled. This research assumes autonomous slewing to maintain situational awareness of…

Systems and Control · Electrical Eng. & Systems 2024-02-23 Cassie-Kay McQuinn , Kyle Dunlap , Nathaniel Hamilton , Jabari Wilson , Kerianne L. Hobbs

Unsupervised pre-training strategies have proven to be highly effective in natural language processing and computer vision. Likewise, unsupervised reinforcement learning (RL) holds the promise of discovering a variety of potentially useful…

Machine Learning · Computer Science 2024-03-12 Seohong Park , Oleh Rybkin , Sergey Levine

Reinforcement Learning (RL) is increasingly applied to large-scale decision-making problems like logistics, scheduling, and recommender systems, but existing algorithms struggle with the curse of dimensionality in such large discrete action…

Machine Learning · Computer Science 2026-05-12 Heiko Hoppe , Fabian Akkerman , Wouter van Heeswijk , Maximilian Schiffer

Recently, deep reinforcement learning (DRL)-based approach has shown promisein solving complex decision and control problems in power engineering domain.In this paper, we present an in-depth analysis of DRL-based voltage control fromaspects…

Artificial Intelligence · Computer Science 2020-12-25 Xiren Zhou , Siqi Wang , Ruisheng Diao , Desong Bian , Jiahui Duan , Di Shi

This paper addresses the optimal control of Connected and Automated Vehicles (CAVs) arriving from two roads at a merging point where the objective is to jointly minimize the travel time and energy consumption of each CAV. The solution…

Systems and Control · Computer Science 2018-11-28 Wei Xiao , Christos G. Cassandras

Virtual reality (VR) technology is commonly used in entertainment applications; however, it has also been deployed in practical applications in more serious aspects of our lives, such as safety. To support people working in dangerous…

Human-Computer Interaction · Computer Science 2022-08-25 Ziming Li , Yiming Luo , Jialin Wang , Yushan Pan , Lingyun Yu , Hai-Ning Liang

Collaborative robots should ideally use low torque actuators for passive safety reasons. However, some applications require these collaborative robots to reach deep into confined spaces while assisting a human operator in physically…

Robotics · Computer Science 2020-08-13 Garrison L. H. Johnston , Andrew L. Orekhov , Nabil Simaan

NORMA is a design for a normal-conducting race track fixed-field alternating-gradient accelerator (FFAG) for protons from 50 to 350 MeV. In this article we show the development from an idealised lattice to a design implemented with field…

Accelerator Physics · Physics 2017-10-25 S. Tygier , K. Marinov , R. B. Appleby , J. Clarke , J. M. Garland , H. Owen , B. Shepherd