中文
相关论文

相关论文: LoRA Patching: Exposing the Fragility of Proactive…

200 篇论文

LoRA-based large model parameter-efficient fine-tuning (PEFT) methods use low-rank de- composition to approximate updates to model parameters. However, compared to full- parameter fine-tuning, low-rank updates often lead to a performance…

计算与语言 · 计算机科学 2025-08-26 Haojie Zhang

Although the advancements of pre-trained Large Language Models have significantly accelerated recent progress in NLP, their ever-increasing size poses significant challenges for conventional fine-tuning, especially in memory-intensive…

计算与语言 · 计算机科学 2024-04-02 Chenxi Whitehouse , Fantine Huot , Jasmijn Bastings , Mostafa Dehghani , Chu-Cheng Lin , Mirella Lapata

Deep neural networks are known to be vulnerable to adversarial perturbations, which are small and carefully crafted inputs that lead to incorrect predictions. In this paper, we propose DeepDefense, a novel defense framework that applies…

机器学习 · 计算机科学 2025-11-19 Ci Lin , Tet Yeap , Iluju Kiringa , Biwei Zhang

Nowadays, digital facial content manipulation has become ubiquitous and realistic with the success of generative adversarial networks (GANs), making face recognition (FR) systems suffer from unprecedented security concerns. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Run Wang , Felix Juefei-Xu , Qing Guo , Yihao Huang , Xiaofei Xie , Lei Ma , Yang Liu

Post-training quantization (PTQ) is essential for deploying large diffusion transformers on resource-constrained hardware, but aggressive 4-bit quantization significantly degrades generative performance. Low-rank approximation methods have…

机器学习 · 计算机科学 2026-04-21 Yann Bouquet , Alireza Khodamoradi , Sophie Yáng Shen , Kristof Denolf , Mathieu Salzmann

Low-Rank Adaptation (LoRA) has emerged as an effective technique for reducing memory overhead in fine-tuning large language models. However, it often suffers from sub-optimal performance compared with full fine-tuning since the update is…

机器学习 · 计算机科学 2025-09-30 Xin Yu , Yujia Wang , Jinghui Chen , Lingzhou Xue

With the proliferation of large pre-trained language models (PLMs), fine-tuning all model parameters becomes increasingly inefficient, particularly when dealing with numerous downstream tasks that entail substantial training and storage…

计算与语言 · 计算机科学 2024-01-23 Nadav Benedek , Lior Wolf

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…

Unsupervised domain adaptation (UDA) involves a supervised loss in a labeled source domain and an unsupervised loss in an unlabeled target domain, which often faces more severe overfitting (than classical supervised learning) as the…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu

Recent literature on fine-tuning Large Language Models highlights a fundamental debate. While Full Fine-Tuning (FFT) provides the representational plasticity required for high-entropy knowledge injection, Low-Rank Adaptation (LoRA) can…

计算与语言 · 计算机科学 2026-05-19 Haozhan Tang , Xiuqi Zhu , Xinyin Zhang , Boxun Li , Virginia Smith , Kevin Kuo

Fine-tuning pre-trained large language models in a parameter-efficient manner is widely studied for its effectiveness and efficiency. The popular method of low-rank adaptation (LoRA) offers a notable approach, hypothesizing that the…

计算与语言 · 计算机科学 2023-11-21 Ning Ding , Xingtai Lv , Qiaosen Wang , Yulin Chen , Bowen Zhou , Zhiyuan Liu , Maosong Sun

The pretrain+fine-tune paradigm is foundational for deploying large language models (LLMs) across various downstream applications. Within this framework, Low-Rank Adaptation (LoRA) stands out for its parameter-efficient fine-tuning (PEFT),…

计算与语言 · 计算机科学 2024-10-10 Jingwei Xu , Junyu Lai , Yunpeng Huang

Efficiently updating Large Language Models (LLMs) with new or evolving factual knowledge remains a central challenge, as even parameter-efficient adaptation can erode previously acquired reasoning abilities. This tension reflects a…

人工智能 · 计算机科学 2026-05-26 Mustafa Hayri Bilgin , Mariam Barry , Albert Bifet , Azzedine Idir Ait Said , Soumya Banerjee

Low-Rank Adaptation (LoRA) has emerged as one of the most widely used parameter-efficient fine-tuning (PEFT) methods for adapting large language models (LLMs) to downstream tasks. While highly effective in single-task settings, it struggles…

计算与语言 · 计算机科学 2025-10-14 Bo Cheng , Xu Wang , Jinda Liu , Yi Chang , Yuan Wu

The rapid advancement of generative technologies has made synthetic images nearly indistinguishable from real ones, thereby creating an urgent need for robust detectors to counter misinformation. However, existing methods mainly rely on…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Yutong Xiao , Ran Ran , Jiwei Wei , Shuchang Zhou , Ke Liu , Zheng Ziqiang , Caiyan Qin

The proliferation of sophisticated deepfakes poses significant threats to information integrity. While DINOv2 shows promise for detection, existing fine-tuning approaches treat it as generic binary classification, overlooking distinct…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Tianxiang Zhang , Peipeng Yu , Zhihua Xia , Longchen Dai , Xiaoyu Zhou , Hui Gao

Adversarial patch attacks pose a major threat to vision systems by embedding localized perturbations that mislead deep models. Traditional defense methods often require retraining or fine-tuning, making them impractical for real-world…

人工智能 · 计算机科学 2025-07-31 Roie Kazoom , Raz Lapid , Moshe Sipper , Ofer Hadar

Low-Rank Adaptation (LoRA) is an efficient fine-tuning method that has been extensively applied in areas such as natural language processing and computer vision. Existing LoRA fine-tuning approaches excel in static environments but struggle…

机器学习 · 计算机科学 2025-02-26 Xin Zhang , Liang Bai , Xian Yang , Jiye Liang

As deepfake technologies continue to advance, passive detection methods struggle to generalize with various forgery manipulations and datasets. Proactive defense techniques have been actively studied with the primary aim of preventing…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Hongbo Li , Shangchao Yang , Ruiyang Xia , Lin Yuan , Xinbo Gao

Parameter-efficient fine-tuning methods like Low-Rank Adaptation (LoRA) have become the dominant paradigm for adapting large pretrained models. We present a theoretical framework explaining an underexplored property: LoRA's inherent…

机器学习 · 计算机科学 2026-02-03 Brady Steele