中文
相关论文

相关论文: Safety-Preserving PTQ via Contrastive Alignment Lo…

200 篇论文

Quantizing a floating-point neural network to its fixed-point representation is crucial for Learned Image Compression (LIC) because it improves decoding consistency for interoperability and reduces space-time complexity for implementation.…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Junqi Shi , Ming Lu , Zhan Ma

Post-training quantization (PTQ) assumes that a well-converged model is a quantization-ready model. We show this assumption fails in a structured, measurable, and previously uncharacterized way. Using a calibration-free per-group INT4 probe…

机器学习 · 计算机科学 2026-04-17 Marcus Armstrong

Structural Health Monitoring (SHM) ensures the safety and longevity of infrastructure by enabling timely damage detection. Vision-based crack detection, combined with UAVs, addresses the limitations of traditional sensor-based SHM methods…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Yuxuan Zhang , Luciano Sebastian Martinez-Rau , Quynh Nguyen Phuong Vu , Bengt Oelmann , Sebastian Bader

Real-time object detection plays a vital role in various computer vision applications. However, deploying real-time object detectors on resource-constrained platforms poses challenges due to high computational and memory requirements. This…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Mingze Wang , Huixin Sun , Jun Shi , Xuhui Liu , Baochang Zhang , Xianbin Cao

The emergence of LLMs has ignited a fresh surge of breakthroughs in NLP applications, particularly in domains such as question-answering systems and text generation. As the need for longer context grows, a significant bottleneck in model…

计算与语言 · 计算机科学 2024-04-15 Shichen Dong , Wen Cheng , Jiayu Qin , Wei Wang

Quantization Error Reconstruction (QER) reduces accuracy loss in Post-Training Quantization (PTQ) by approximating weights as $\mathbf{W} \approx \mathbf{Q} + \mathbf{L}\mathbf{R}$, using a rank-$r$ correction to reconstruct quantization…

机器学习 · 计算机科学 2026-05-14 Yoonjun Cho , Dongjae Jeon , Soeun Kim , Moongyu Jeon , Albert No

Quantization has become a crucial step for the efficient deployment of deep neural networks, where floating point operations are converted to simpler fixed point operations. In its most naive form, it simply consists in a combination of…

机器学习 · 计算机科学 2023-08-16 Edouard Yvinec , Arnaud Dapogny , Kevin Bailly

At present, the quantification methods of neural network models are mainly divided into post-training quantization (PTQ) and quantization aware training (QAT). Post-training quantization only need a small part of the data to complete the…

机器学习 · 计算机科学 2022-07-08 Huabin Diao , Gongyan Li , Shaoyun Xu , Yuexing Hao

Quantization is an essential and popular technique for improving the accessibility of large language models (LLMs) by reducing memory usage and computational costs while maintaining performance. In this study, we apply 4-bit Group Scaling…

AutoRegressive Visual Generation (ARVG) models retain an architecture compatible with language models, while achieving performance comparable to diffusion-based models. Quantization is commonly employed in neural networks to reduce model…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Xuewen Liu , Zhikai Li , Jing Zhang , Mengjuan Chen , Qingyi Gu

Quantization-aware training (QAT) is a leading technique for improving the accuracy of quantized neural networks. Previous work has shown that decomposing training into a full-precision (FP) phase followed by a QAT phase yields superior…

机器学习 · 计算机科学 2026-02-27 Aleksandr Dremov , David Grangier , Angelos Katharopoulos , Awni Hannun

Offline Reinforcement Learning (RL), which operates solely on static datasets without further interactions with the environment, provides an appealing alternative to learning a safe and promising control policy. The prevailing methods…

机器学习 · 计算机科学 2025-03-18 Kun Wu , Yinuo Zhao , Zhiyuan Xu , Zhengping Che , Chengxiang Yin , Chi Harold Liu , Feiferi Feng , Jian Tang

Vision transformer emerges as a potential architecture for vision tasks. However, the intense computation and non-negligible delay hinder its application in the real world. As a widespread model compression technique, existing post-training…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yifu Ding , Haotong Qin , Qinghua Yan , Zhenhua Chai , Junjie Liu , Xiaolin Wei , Xianglong Liu

Post Training Quantization (PTQ) is widely adopted due to its high compression capacity and speed with minimal impact on accuracy. However, we observed that disparate impacts are exacerbated by quantization, especially for minority groups.…

机器学习 · 计算机科学 2025-09-10 Abhimanyu Bellam , Jung-Eun Kim

Under limited data setting, GANs often struggle to navigate and effectively exploit the input latent space. Consequently, images generated from adjacent variables in a sparse input latent space may exhibit significant discrepancies in…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Jian Wang , Xin Lan , Jizhe Zhou , Yuxin Tian , Jiancheng Lv

Neural network quantization enables the deployment of large models on resource-constrained devices. Current post-training quantization methods fall short in terms of accuracy for INT4 (or lower) but provide reasonable accuracy for INT8 (or…

Continual Learning (CL) aims to enable models to continuously acquire new knowledge from a sequence of tasks with avoiding the forgetting of learned information. However, existing CL methods only rely on the parameters of the most recent…

机器学习 · 计算机科学 2025-10-24 Haomiao Qiu , Miao Zhang , Ziyue Qiao , Liqiang Nie

Safety alignment in Large Language Models (LLMs) remains highly fragile during fine-tuning, where even benign adaptation can degrade pre-trained refusal behaviors and enable harmful responses. Existing defenses typically constrain either…

人工智能 · 计算机科学 2026-04-15 Songping Peng , Zhiheng Zhang , Daojian Zeng , Lincheng Jiang , Xieping Gao

Ensuring safety alignment is a critical requirement for large language models (LLMs), particularly given increasing deployment in real-world applications. Despite considerable advancements, LLMs remain susceptible to jailbreak attacks,…

密码学与安全 · 计算机科学 2025-06-02 Xin Yi , Yue Li , Dongsheng Shi , Linlin Wang , Xiaoling Wang , Liang He

Large language models (LLMs) often make accurate next token predictions but their confidence in these predictions can be poorly calibrated: high-confidence predictions are frequently wrong, and low-confidence predictions may be correct.…

机器学习 · 计算机科学 2026-02-03 Nisarg Parikh , Ananya Sai , Pannaga Shivaswamy , Kunjal Panchal , Andrew Lan