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Deploying large artificial intelligence (AI) models in power electronics often demands high computational resources. Driven by the quantization paradigm, this digest proposes a quantization-aware training (QAT) principle to substantially…

Systems and Control · Electrical Eng. & Systems 2026-05-07 Subham Sahoo , Huai Wang , Frede Blaabjerg

Quantizing deep convolutional neural networks for image super-resolution substantially reduces their computational costs. However, existing works either suffer from a severe performance drop in ultra-low precision of 4 or lower bit-widths,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Cheeun Hong , Heewon Kim , Sungyong Baik , Junghun Oh , Kyoung Mu Lee

Deep learning methods have established a significant place in image classification. While prior research has focused on enhancing final outcomes, the opaque nature of the decision-making process in these models remains a concern for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Elmira Mousa Rezabeyk , Salar Beigzad , Yasin Hamzavi , Mohsen Bagheritabar , Seyedeh Sogol Mirikhoozani

When training neural networks with simulated quantization, we observe that quantized weights can, rather unexpectedly, oscillate between two grid-points. The importance of this effect and its impact on quantization-aware training (QAT) are…

Machine Learning · Computer Science 2022-06-30 Markus Nagel , Marios Fournarakis , Yelysei Bondarenko , Tijmen Blankevoort

We propose a method of training quantization thresholds (TQT) for uniform symmetric quantizers using standard backpropagation and gradient descent. Contrary to prior work, we show that a careful analysis of the straight-through estimator…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Sambhav R. Jain , Albert Gural , Michael Wu , Chris H. Dick

Post-training quantization (PTQ) is a widely used method to compress large language models (LLMs) without fine-tuning. It typically sets quantization hyperparameters (e.g., scaling factors) based on current-layer activations. Although this…

Machine Learning · Computer Science 2026-02-04 Zheqi Lv , Zhenxuan Fan , Qi Tian , Wenqiao Zhang , Yueting Zhuang

Achieving reliable 4-bit attention is a prerequisite for end-to-end FP4 computation on emerging FP4-capable GPUs, yet attention remains the main obstacle due to FP4's tiny dynamic range and attention's heavy-tailed activations. This paper…

Machine Learning · Computer Science 2026-03-10 Peiyuan Zhang , Matthew Noto , Wenxuan Tan , Chengquan Jiang , Will Lin , Wei Zhou , Hao Zhang

Quantization-aware training (QAT) starts with a pre-trained full-precision model and performs quantization during retraining. However, existing QAT works require supervision from the labels and they suffer from accuracy loss due to reduced…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Kaiqi Zhao , Ming Zhao

Weight quantisation is an essential technique for enabling efficient training and deployment of modern deep learning models. However, the recipe book of quantisation formats is large and formats are often chosen empirically. In this paper,…

Machine Learning · Computer Science 2026-02-16 Douglas Orr , Luka Ribar , Carlo Luschi

Large Language Models (LLMs) have distinguished themselves with outstanding performance in complex language modeling tasks, yet they come with significant computational and storage challenges. This paper explores the potential of…

Machine Learning · Computer Science 2024-10-17 Sayeh Sharify , Utkarsh Saxena , Zifei Xu , Wanzin Yazar , Ilya Soloveychik , Xin Wang

Recently, masked image modeling (MIM), which learns visual representations by reconstructing the masked patches of an image, has dominated self-supervised learning in computer vision. However, the pre-training of MIM always takes massive…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Jie Gui , Tuo Chen , Minjing Dong , Zhengqi Liu , Hao Luo , James Tin-Yau Kwok , Yuan Yan Tang

The instability in GAN training has been a long-standing problem despite remarkable research efforts. We identify that instability issues stem from difficulties of performing feature matching with mini-batch statistics, due to a fragile…

Machine Learning · Computer Science 2020-07-16 Yang Zhao , Chunyuan Li , Ping Yu , Jianfeng Gao , Changyou Chen

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…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Jian Wang , Xin Lan , Jizhe Zhou , Yuxin Tian , Jiancheng Lv

Performing unsupervised domain adaptation on resource-constrained edge devices is challenging. Existing research typically adopts architecture optimization (e.g., designing slimmable networks) but requires expensive training costs.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Nanyang Du , Chen Tang , Yuxiao Jiang , Yuan Meng , Zhi Wang

Quantization-Aware Pre-Training (QAPT) is an effective technique to reduce the compute and memory overhead of Deep Neural Networks while improving their energy efficiency on edge devices. Existing QAPT methods produce models stored in…

Machine Learning · Computer Science 2026-03-03 Ningfeng Yang , Tor M. Aamodt

Post-training quantization (PTQ) is a powerful technique for model compression, reducing the numerical precision in neural networks without additional training overhead. Recent works have investigated adopting 8-bit floating-point…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Shivam Aggarwal , Hans Jakob Damsgaard , Alessandro Pappalardo , Giuseppe Franco , Thomas B. Preußer , Michaela Blott , Tulika Mitra

This paper presents the first study to explore the potential of parameter quantization for multimodal large language models to alleviate the significant resource constraint encountered during vision-language instruction tuning. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Jingjing Xie , Yuxin Zhang , Mingbao Lin , Liujuan Cao , Rongrong Ji

Quantization-aware training (QAT) and Knowledge Distillation (KD) are combined to achieve competitive performance in creating low-bit deep learning models. However, existing works applying KD to QAT require tedious hyper-parameter tuning to…

Machine Learning · Computer Science 2024-03-19 Kaiqi Zhao , Ming Zhao

Quantization is a technique to reduce the computation and memory cost of DNN models, which are getting increasingly large. Existing quantization solutions use fixed-point integer or floating-point types, which have limited benefits, as both…

Machine Learning · Computer Science 2022-08-31 Cong Guo , Chen Zhang , Jingwen Leng , Zihan Liu , Fan Yang , Yunxin Liu , Minyi Guo , Yuhao Zhu

The rapid advancement of large language models (LLMs) has exacerbated the memory bottleneck due to the widening gap between model parameter scaling and hardware capabilities. While post-training quantization techniques effectively reduce…

Machine Learning · Computer Science 2025-10-22 Fangxin Liu , Zongwu Wang , JinHong Xia , Junping Zhao , Shouren Zhao , Jinjin Li , Jian Liu , Li Jiang , Haibing Guan