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Large Language Models (LLMs) have shown impressive capabilities across diverse tasks, but their large memory and compute demands hinder deployment. Ternarization has gained attention as a promising compression technique, delivering…

Machine Learning · Computer Science 2026-02-02 Xianglong Yan , Chengzhu Bao , Zhiteng Li , Tianao Zhang , Kaicheng Yang , Haotong Qin , Ruobing Xie , Xingwu Sun , Yulun Zhang

Post-Training Quantization (PTQ) converts pre-trained Full-Precision (FP) models into quantized versions without training. While existing methods reduce size and computational costs, they also significantly degrade performance and…

Machine Learning · Computer Science 2025-12-24 Boyang Zhang , Daning Cheng , Yunquan Zhang , Jiake Tian , Jing Li , Fangming Liu

Post-training quantization (PTQ) for vision transformers (ViTs) has garnered significant attention due to its efficiency in compressing models. However, existing methods typically overlook the relationship between a well-trained NN and the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Peng Xia , Junbiao Pang , Tianyang Cai

High-quality audio is essential in a wide range of applications, including online communication, virtual assistants, and the multimedia industry. However, degradation caused by noise, compression, and transmission artifacts remains a major…

Large language models (LLMs) have wide applications in the field of natural language processing(NLP), such as GPT-4 and Llama. However, with the exponential growth of model parameter sizes, LLMs bring significant resource overheads. Low-bit…

Computation and Language · Computer Science 2025-02-27 Liangdong Liu , Zhitong Zheng , Cong Wang , Tianhuang Su , Zhenyu Yang

Large Audio Language Models (LALMs) represent an important frontier in multimodal AI, addressing diverse audio tasks. Recently, post-training of LALMs has received increasing attention due to significant performance improvements over…

Denoising diffusion probabilistic models (DDPMs) are expressive generative models that have been used to solve a variety of speech synthesis problems. However, because of their high sampling costs, DDPMs are difficult to use in real-time…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-31 Songxiang Liu , Dan Su , Dong Yu

Significant investments have been made towards the commodification of diffusion models for generation of diverse media. Their mass-market adoption is however still hobbled by the intense hardware resource requirements of diffusion model…

Machine Learning · Computer Science 2025-06-10 Adil Hasan , Thomas Peyrin

Diffusion models have demonstrated remarkable performance on vision generation tasks. However, the high computational complexity hinders its wide application on edge devices. Quantization has emerged as a promising technique for inference…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Weilun Feng , Chuanguang Yang , Haotong Qin , Yuqi Li , Xiangqi Li , Zhulin An , Libo Huang , Boyu Diao , Fuzhen Zhuang , Michele Magno , Yongjun Xu , Yingli Tian , Tingwen Huang

Text-based audio generation models have limitations as they cannot encompass all the information in audio, leading to restricted controllability when relying solely on text. To address this issue, we propose a novel model that enhances the…

Sound · Computer Science 2023-12-29 Zhifang Guo , Jianguo Mao , Rui Tao , Long Yan , Kazushige Ouchi , Hong Liu , Xiangdong Wang

Diffusion models are the go-to method for Text-to-Image generation, but their iterative denoising processes has high inference latency. Quantization reduces compute time by using lower bitwidths, but applies a fixed precision across all…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Basile Lewandowski , Simon Kurz , Aditya Shankar , Robert Birke , Jian-Jia Chen , Lydia Y. Chen

The ever-growing computational complexity of Large Language Models (LLMs) necessitates efficient deployment strategies. The current state-of-the-art approaches for Post-training Quantization (PTQ) often require calibration to achieve the…

Computation and Language · Computer Science 2024-05-24 Alireza Ghaffari , Sharareh Younesian , Vahid Partovi Nia , Boxing Chen , Masoud Asgharian

Large transformer models have demonstrated remarkable success. Post-training quantization (PTQ), which requires only a small dataset for calibration and avoids end-to-end retraining, is a promising solution for compressing these large…

Machine Learning · Computer Science 2024-02-09 Zhikai Li , Xuewen Liu , Jing Zhang , Qingyi Gu

Deep neural networks are widely deployed with quantization techniques to reduce memory and computational costs by lowering the numerical precision of their parameters. While quantization alters model parameters and their outputs, existing…

Machine Learning · Computer Science 2025-12-18 Chenxiang Zhang , Tongxi Qu , Zhong Li , Tian Zhang , Jun Pang , Sjouke Mauw

Incorporating diffusion models in the image compression domain has the potential to produce realistic and detailed reconstructions, especially at extremely low bitrates. Previous methods focus on using diffusion models as expressive…

Image and Video Processing · Electrical Eng. & Systems 2024-10-10 Lucas Relic , Roberto Azevedo , Markus Gross , Christopher Schroers

The burgeoning complexity and scale of 3D geometry models pose significant challenges for deployment on resource-constrained platforms. While Post-Training Quantization (PTQ) enables efficient inference without retraining, conventional…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Sicheng Pan , Chen Tang , Shuzhao Xie , Ke Yang , Weixiang Zhang , Jiawei Li , Bin Chen , Shu-Tao Xia , Zhi Wang

The use of low-bit quantization has emerged as an indispensable technique for enabling the efficient training of large-scale models. Despite its widespread empirical success, a rigorous theoretical understanding of its impact on learning…

Machine Learning · Statistics 2026-02-17 Dechen Zhang , Junwei Su , Difan Zou

Deploying quantized deep neural network (DNN) models with resource adaptation capabilities on ubiquitous Internet of Things (IoT) devices to provide high-quality AI services can leverage the benefits of compression and meet multi-scenario…

Machine Learning · Computer Science 2025-06-24 Jianhang Xie , Chuntao Ding , Xiaqing Li , Shenyuan Ren , Yidong Li , Zhichao Lu

Low-bit post-training quantization (PTQ) is a pivotal technique for deploying Vision-Language Models (VLMs) on resource-constrained devices. However, existing PTQ methods often degrade VLMs' accuracy due to the heterogeneous activation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Yi Zhong , Haotong Qin , Xindong Zhang , Lei Zhang , Guolei Sun

In low-bitrate speech coding, end-to-end speech coding networks aim to learn compact yet expressive features and a powerful decoder in a single network. A challenging problem as such results in unwelcome complexity increase and inferior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Haici Yang , Inseon Jang , Minje Kim