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Unsupervised Reinforcement Learning from Internal Feedback (RLIF) has emerged as a promising paradigm for eliciting the latent capabilities of Large Language Models (LLMs) without external supervision. However, current methods rely on…

Computation and Language · Computer Science 2026-05-26 Ruishuo Chen , Yu Chen , Zhuoran Li , Longbo Huang

Future Industrial Internet-of-Things (IIoT) systems will require wireless solutions to connect sensors, actuators, and controllers as part of high data rate feedback-control loops over real-time flows. A key challenge in such networks is to…

Networking and Internet Architecture · Computer Science 2021-06-08 Ryan Brummet , Md Kowsar Hossain , Octav Chipara , Ted Herman , David E. Steward

In recent years, pretrained large language models have demonstrated outstanding performance across various natural language processing tasks. However, full-parameter fine-tuning methods require adjusting all model parameters, leading to…

Computation and Language · Computer Science 2025-03-04 Jiancheng Zhao , Xingda Yu , Yuxiang Zhang , Zhen Yang

Normalizing Flows (NFs) have been established as a principled framework for generative modeling. Standard NFs consist of a forward process and a reverse process: the forward process maps data to noise, while the reverse process generates…

Machine Learning · Computer Science 2025-12-12 Yiyang Lu , Qiao Sun , Xianbang Wang , Zhicheng Jiang , Hanhong Zhao , Kaiming He

Low-Rank Adaptation (LoRA) is one of the most widely used techniques for fine-tuning large language models (LLMs). By introducing a small number of trainable low-rank weight matrices, LoRA substantially reduces the number of parameters that…

Machine Learning · Computer Science 2025-07-15 Seokmin Ko

Vision-Language-Action (VLA) models enable robots to understand and perform complex tasks from multimodal input. Although recent work explores using reinforcement learning (RL) to automate the laborious data collection process in scaling…

Machine Learning · Computer Science 2026-01-30 Kang Chen , Zhihao Liu , Tonghe Zhang , Zhen Guo , Si Xu , Hao Lin , Hongzhi Zang , Xiang Li , Quanlu Zhang , Zhaofei Yu , Guoliang Fan , Tiejun Huang , Yu Wang , Chao Yu

Building LiDAR generative models holds promise as powerful data priors for restoration, scene manipulation, and scalable simulation in autonomous mobile robots. In recent years, approaches using diffusion models have emerged, significantly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Kazuto Nakashima , Xiaowen Liu , Tomoya Miyawaki , Yumi Iwashita , Ryo Kurazume

With the increase in demand for Internet of Things (IoT) applications, the number of IoT devices has drastically grown, making spectrum resources seriously insufficient. Transmission collisions and retransmissions increase power…

Networking and Internet Architecture · Computer Science 2025-01-23 Ryotai Airiyoshi , Mikio Hasegawa , Tomoaki Ohtsuki , Aohan Li

Speech enhancement (SE) recovers clean speech from noisy signals and is vital for applications such as telecommunications and automatic speech recognition (ASR). While generative approaches achieve strong perceptual quality, they often rely…

Sound · Computer Science 2025-10-01 Yike Zhu , Boyi Kang , Ziqian Wang , Xingchen Li , Zihan Zhang , Wenjie Li , Longshuai Xiao , Wei Xue , Lei Xie

Optical flow estimation is a fundamental and long-standing visual task. In this work, we present a novel method, dubbed HMAFlow, to improve optical flow estimation in challenging scenes, particularly those involving small objects. The…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Dianbo Ma , Kousuke Imamura , Ziyan Gao , Xiangjie Wang , Satoshi Yamane

In recent years, Rectified flow (RF) has gained considerable popularity largely due to its generation efficiency and state-of-the-art performance. In this paper, we investigate the degree to which RF automatically adapts to the intrinsic…

Machine Learning · Statistics 2026-02-24 Saptarshi Roy , Alessandro Rinaldo , Purnamrita Sarkar

With the rapid growth of Low Earth Orbit (LEO) satellite networks, satellite-IoT systems using the LoRa technique have been increasingly deployed to provide widespread Internet services to low-power and low-cost ground devices. However, the…

Networking and Internet Architecture · Computer Science 2025-11-25 Yimin Zhao , Weibo Wang , Xiong Wang , Linghe Kong , Jiadi Yu , Yifei Zhu , Shiyuan Li , Chong He , Guihai Chen

Text-to-image (T2I) diffusion/flow models have drawn considerable attention recently due to their remarkable ability to deliver flexible visual creations. Still, high-resolution image synthesis presents formidable challenges due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Jiazi Bu , Pengyang Ling , Yujie Zhou , Pan Zhang , Tong Wu , Xiaoyi Dong , Yuhang Zang , Yuhang Cao , Dahua Lin , Jiaqi Wang

Wireless Sensor Networks (WSNs) play a pivotal role in enabling Internet of Things (IoT) devices with sensing and actuation capabilities. Operating in remote and resource-constrained environments, these IoT devices face challenges related…

Networking and Internet Architecture · Computer Science 2025-03-20 F. Fernando Jurado-Lasso , J. F. Jurado , Xenofon Fafoutis

LoRaWAN (Long Range Wide Area Network) is emerging as an attractive network infrastructure for ultra low power Internet of Things devices. Even if the technology itself is quite mature and specified, the currently deployed wireless resource…

Networking and Internet Architecture · Computer Science 2024-10-30 Giuseppe Bianchi , Francesca Cuomo , Domenico Garlisi , Ilenia Tinnirello

Low-Rank Adaptation (LoRA) has become a standard technique for parameter-efficient fine-tuning of large language models, enabling large libraries of LoRAs, each for a specific task or domain. Efficiently selecting the correct LoRA adapter…

Computation and Language · Computer Science 2025-09-23 William Fleshman , Benjamin Van Durme

Large pre-trained models are commonly adapted to downstream tasks using parameter-efficient fine-tuning methods such as Low-Rank Adaptation (LoRA), which injects small trainable low-rank matrices instead of updating all weights. While LoRA…

Machine Learning · Computer Science 2026-03-10 Nurbek Tastan , Stefanos Laskaridis , Martin Takac , Karthik Nandakumar , Samuel Horvath

The advent of large language models (LLMs) has revolutionized natural language processing, enabling unprecedented capabilities in understanding and generating human-like text. However, the computational cost and convergence times associated…

Computation and Language · Computer Science 2024-11-26 Kerim Büyükakyüz

With the increasing implementation of machine learning models on edge or Internet-of-Things (IoT) devices, deploying advanced models on resource-constrained IoT devices remains challenging. Transformer models, a currently dominant neural…

Sound · Computer Science 2024-11-15 Zixing Zhang , Zhongren Dong , Weixiang Xu , Jing Han

Emergency communication systems face disruptions due to packet loss, bandwidth constraints, poor signal quality, delays, and jitter in VoIP systems, leading to degraded real-time service quality. Victims in distress often struggle to convey…

Sound · Computer Science 2024-12-24 Danush Venkateshperumal , Rahman Abdul Rafi , Shakil Ahmed , Ashfaq Khokhar