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Primary health care frequently relies on low-cost imaging devices, which are commonly used for screening purposes. To ensure accurate diagnosis, these systems depend on advanced reconstruction algorithms designed to approximate the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Thomas Pinetz , Veit Hucke , Hrvoje Bogunovic

Current state-of-the-art diffusion models employ U-Net architectures containing convolutional and (qkv) self-attention layers. The U-Net processes images while being conditioned on the time embedding input for each sampling step and the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Joo Young Choi , Jaesung R. Park , Inkyu Park , Jaewoong Cho , Albert No , Ernest K. Ryu

Parameter-Efficient Fine-Tuning (PEFT) methods like Low-Rank Adaptation (LoRA) optimize federated training by reducing computational and communication costs. We propose RoLoRA, a federated framework using alternating optimization to…

Machine Learning · Computer Science 2025-11-06 Shuangyi Chen , Yuanxin Guo , Yue Ju , Harik Dalal , Zhongwen Zhu , Ashish Khisti

Previous empirical studies have shown that LoRA achieves accuracy comparable to full-parameter methods on downstream fine-tuning tasks, even for rank-1 updates. By contrast, the theoretical underpinnings of the dependence of LoRA's accuracy…

Machine Learning · Computer Science 2026-02-12 Michael Rushka , Diego Klabjan

The deployment of LoRa networks necessitates joint performance optimization, including packet delivery rate, energy efficiency, and throughput. Additionally, multiple LoRa parameters for packet transmission must be dynamically configured to…

Networking and Internet Architecture · Computer Science 2025-04-24 Ruiqi Wang , Tongyu Song , Jing Ren , Xiong Wang , Shizhong Xu , Sheng Wang

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

Federated fine-tuning (FFT) adapts foundation models to decentralized data but remains fragile under heterogeneous client distributions due to local drift, i.e., client-level update divergences that induce systematic bias and amplified…

Machine Learning · Computer Science 2025-11-10 Dongjin Park , Hasung Yeo , Joon-Woo Lee

Fine-tuning large language models (LLMs) on private, on-device data can empower tailored personalized AI agents. However, fine-tuning LLMs on resource-constrained edge devices faces significant challenges, including excessive computation…

Machine Learning · Computer Science 2025-03-26 Jian Ma , Xinchen Lyu , Jun Jiang , Qimei Cui , Haipeng Yao , Xiaofeng Tao

The Mixture of Experts (MoE) has emerged as a highly successful technique in deep learning, based on the principle of divide-and-conquer to maximize model capacity without significant additional computational cost. Even in the era of…

Computation and Language · Computer Science 2024-09-02 Boan Liu , Liang Ding , Li Shen , Keqin Peng , Yu Cao , Dazhao Cheng , Dacheng Tao

Spherical deconvolution is a widely used approach to quantify fiber orientation distribution from diffusion MRI data. The damped Richardson-Lucy (dRL) is developed to perform robust spherical deconvolution on single shell diffusion MRI…

Medical Physics · Physics 2020-06-22 Fenghua Guo , Alexander Leemans , Max A. Viergever , Flavio Dell'Acqua , Alberto De Luca

The probabilistic diffusion model (DM), generating content by inferencing through a recursive chain structure, has emerged as a powerful framework for visual generation. After pre-training on enormous data, the model needs to be properly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Tao Ren , Zishi Zhang , Jingyang Jiang , Zehao Li , Shentao Qin , Yi Zheng , Guanghao Li , Qianyou Sun , Yan Li , Jiafeng Liang , Xinping Li , Yijie Peng

Large language models (LLMs) require model editing to efficiently update specific knowledge within them and avoid factual errors. Most model editing methods are solely designed for single-time use and result in a significant forgetting…

Computation and Language · Computer Science 2025-01-15 Jiaang Li , Quan Wang , Zhongnan Wang , Yongdong Zhang , Zhendong Mao

Domain Incremental Learning (DIL) is a continual learning sub-branch that aims to address never-ending arrivals of new domains without catastrophic forgetting problems. Despite the advent of parameter-efficient fine-tuning (PEFT)…

Machine Learning · Computer Science 2025-10-21 Naeem Paeedeh , Mahardhika Pratama , Weiping Ding , Jimmy Cao , Wolfgang Mayer , Ryszard Kowalczyk

Large language models (LLMs) encounter significant adaptation challenges in diverse multitask finetuning. Mixture-of-experts (MoE) provides a promising solution with a dynamic architecture, enabling effective task decoupling. However,…

Machine Learning · Computer Science 2025-05-28 Rongyu Zhang , Yijiang Liu , Huanrui Yang , Shenli Zheng , Dan Wang , Yuan Du , Li Du , Shanghang Zhang

Foundation models pre-trained on large-scale datasets demonstrate strong transfer learning capabilities; however, their adaptation to complex multi-label diagnostic tasks-such as comprehensive head CT finding detection-remains understudied.…

The demonstrated success of sparsely-gated Mixture-of-Experts (MoE) architectures, exemplified by models such as DeepSeek and Grok, has motivated researchers to investigate their adaptation to diverse domains. In real-world image…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Xiao He , Zhijun Tu , Kun Cheng , Mingrui Zhu , Jie Hu , Nannan Wang , Xinbo Gao

Low-Rank Adaptation (LoRA) has become a cornerstone of parameter-efficient fine-tuning (PEFT). Yet, its efficacy is hampered by two fundamental limitations: semantic drift, by treating all update directions with equal importance, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Xi Xiao , Chenrui Ma , Yunbei Zhang , Chen Liu , Zhuxuanzi Wang , Yanshu Li , Lin Zhao , Guosheng Hu , Tianyang Wang , Hao Xu

Recent advances in large-scale diffusion models have intensified concerns about their potential misuse, particularly in generating realistic yet harmful or socially disruptive content. This challenge has spurred growing interest in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Piotr Wójcik , Maksym Petrenko , Wojciech Gromski , Przemysław Spurek , Maciej Zieba

Large Language Models (LLMs) have demonstrated remarkable effectiveness in adapting to downstream tasks through fine-tuning. Federated Learning (FL) extends this capability by enabling collaborative fine-tuning across distributed clients…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-20 Zikai Zhang , Rui Hu , Jiahao Xu

Low-rank adaptation (LoRA) offers an efficient alternative to full-weight adaptation in federated fine-tuning of language models, significantly reducing computational costs. By adjusting ranks for each client, federated LoRA enables…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-18 Yuji Byun , Jaeho Lee