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To avoid myopic behavior, multi-step lookahead Bayesian optimization (BO) algorithms consider the sequential nature of BO and have demonstrated promising results in recent years. However, owing to the curse of dimensionality, most of these…

Machine Learning · Computer Science 2026-04-24 Mujin Cheon , Jay H. Lee , Dong-Yeun Koh , Calvin Tsay

Automatic Mean Opinion Score (MOS) prediction is crucial to evaluate the perceptual quality of the synthetic speech. While recent approaches using pre-trained self-supervised learning (SSL) models have shown promising results, they only…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-01 Hui Wang , Shiwan Zhao , Xiguang Zheng , Yong Qin

Crime situations are race against time. An AI-assisted criminal investigation system, providing prompt but precise legal counsel is in need for police officers. We introduce LAPIS (Language Model Augmented Police Investigation System), an…

Computation and Language · Computer Science 2024-08-01 Heedou Kim , Dain Kim , Jiwoo Lee , Chanwoong Yoon , Donghee Choi , Mogan Gim , Jaewoo Kang

Stochastic-process-based degradation modeling is a core approach for estimating the distribution of remaining useful life (RUL); however, the selection of an appropriate stochastic process has not been sufficiently addressed. Existing model…

Artificial Intelligence · Computer Science 2026-05-19 Hanbyeol Park , Hyerim Bae

Low-Rank Adaptation (LoRA) is a crucial method for efficiently fine-tuning large language models (LLMs), with its effectiveness influenced by two key factors: rank selection and weight initialization. While numerous LoRA variants have been…

Machine Learning · Computer Science 2025-10-27 Haonan He , Peng Ye , Yuchen Ren , Yuan Yuan , Luyang Zhou , Shucun Ju , Lei Chen

In this paper, we study the problem of matrix recovery, which aims to restore a target matrix of authentic samples from grossly corrupted observations. Most of the existing methods, such as the well-known Robust Principal Component Analysis…

Computer Vision and Pattern Recognition · Computer Science 2018-11-12 Xingyu Xie , Jianlong Wu , Guangcan Liu , Jun Wang

Low-Rank Adaptation (LoRA) fine-tunes large models by learning low-rank updates on top of frozen weights, dramatically reducing trainable parameters and memory. In this work, we address the gap between training with full steps with low-rank…

Standard Retrieval-Augmented Generation (RAG) systems predominantly rely on semantic relevance as a proxy for utility. However, this assumption collapses in realistic decision-making scenarios where user queries are laden with cognitive…

Computation and Language · Computer Science 2026-05-05 Peiyang Liu , Qiang Yan , Ziqiang Cui , Di Liang , Xi Wang , Wei Ye

Echo Planar Imaging (EPI) is widely used for its rapid acquisition but suffers from severe geometric distortions due to B0 inhomogeneities, particularly along the phase encoding direction. Existing methods follow a two-step process:…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Wenqi Huang , Nan Wang , Congyu Liao , Yimeng Lin , Mengze Gao , Daniel Rueckert , Kawin Setsompop

In this paper, we propose a low rank approximation method for efficiently solving stochastic partial differential equations. Specifically, our method utilizes a novel low rank approximation of the stiffness matrices, which can significantly…

Numerical Analysis · Mathematics 2023-10-20 Yujun Zhu , Ju Ming , Jie Zhu , Zhongming 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

Hallucinations in Large Language Models (LLMs) pose a major barrier to their reliable use in critical decision-making. Although existing hallucination detection methods have improved accuracy, they still struggle with disentangling semantic…

Computation and Language · Computer Science 2026-04-02 Junjie Hu , Gang Tu , ShengYu Cheng , Jinxin Li , Jinting Wang , Rui Chen , Zhilong Zhou , Dongbo Shan

Interpreting machine learning models is challenging but crucial for ensuring the safety of deep networks in autonomous driving systems. Due to the prevalence of deep learning based perception models in autonomous vehicles, accurately…

Machine Learning · Computer Science 2023-01-27 Alex Gu , Tsui-Wei Weng , Pin-Yu Chen , Sijia Liu , Luca Daniel

Fine-tuning adapts a pre-trained model to downstream tasks using a small amount of labeled data. Low-Rank Adaptation (LoRA) is an efficient fine-tuning method that reduces memory and computation costs while often achieving performance close…

Machine Learning · Computer Science 2026-05-20 Ali Zindari , Rotem Mulayoff , Sebastian U. Stich

Low-Rank Adaptation (LoRA) enables parameter-efficient fine-tuning of large models by decomposing weight updates into low-rank matrices, significantly reducing storage and computational overhead. While effective, standard LoRA lacks…

Machine Learning · Computer Science 2026-05-11 Viktar Dubovik , Patryk Marszałek , Jacek Tabor , Tomasz Kuśmierczyk

All-weather image restoration (AWIR) is crucial for reliable autonomous navigation under adverse weather conditions. AWIR models are trained to address a specific set of weather conditions such as fog, rain, and snow. But this causes them…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Sudarshan Rajagopalan , Vishal M. Patel

Fine-tuning large-scale pre-trained models is prohibitively expensive in terms of computation and memory costs. Low-Rank Adaptation (LoRA), a popular Parameter-Efficient Fine-Tuning (PEFT) method, offers an efficient solution by optimizing…

Machine Learning · Computer Science 2025-05-27 Tao Li , Zhengbao He , Yujun Li , Yasheng Wang , Lifeng Shang , Xiaolin Huang

Robust low-rank approximation under row-wise adversarial corruption can be achieved with a single pass, randomized procedure that detects and removes outlier rows by thresholding their projected norms. We propose a scalable, non-iterative…

Machine Learning · Computer Science 2025-04-04 Aidan Tiruvan

Continual learning (CL) in vision-language models (VLMs) faces significant challenges in improving task adaptation and avoiding catastrophic forgetting. Existing methods usually have heavy inference burden or rely on external knowledge,…

Machine Learning · Computer Science 2026-02-02 Zhan Fa , Yue Duan , Jian Zhang , Lei Qi , Wanqi Yang , Yinghuan Shi

The emergence of Vision-Language Models (VLMs) has introduced new paradigms for global image geo-localization through retrieval-augmented generation (RAG) and reasoning-driven inference. However, RAG methods are constrained by retrieval…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Bo Yu , Fengze Yang , Yiming Liu , Chao Wang , Xuewen Luo , Taozhe Li , Ruimin Ke , Xiaofan Zhou , Chenxi Liu