English
Related papers

Related papers: Q-Diffusion: Quantizing Diffusion Models

200 papers

Diffusion models have achieved remarkable success in the image and video generation tasks. Nevertheless, they often require a large amount of memory and time overhead during inference, due to the complex network architecture and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Haocheng Huang , Jiaxin Chen , Jinyang Guo , Ruiyi Zhan , Yunhong Wang

Recently, video diffusion models (VDMs) have garnered significant attention due to their notable advancements in generating coherent and realistic video content. However, processing multiple frame features concurrently, coupled with the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Shilong Tian , Hong Chen , Chengtao Lv , Yu Liu , Jinyang Guo , Xianglong Liu , Shengxi Li , Hao Yang , Tao Xie

Diffusion Models (DM) have revolutionized the text-to-image visual generation process. However, the large computational cost and model footprint of DMs hinders practical deployment, especially on edge devices. Post-training quantization…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Ruichen Chen , Keith G. Mills , Di Niu

Diffusion models have received wide attention in generation tasks. However, the expensive computation cost prevents the application of diffusion models in resource-constrained scenarios. Quantization emerges as a practical solution that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Weilun Feng , Haotong Qin , Chuanguang Yang , Zhulin An , Libo Huang , Boyu Diao , Fei Wang , Renshuai Tao , Yongjun Xu , Michele Magno

Diffusion models have achieved remarkable success in image generation but come with significant computational costs, posing challenges for deployment in resource-constrained environments. Recent post-training quantization (PTQ) methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Dongyeun Lee , Jiwan Hur , Hyounguk Shon , Jae Young Lee , Junmo Kim

Diffusion models have achieved cutting-edge performance in image generation. However, their lengthy denoising process and computationally intensive score estimation network impede their scalability in low-latency and resource-constrained…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Qian Zeng , Jie Song , Han Zheng , Hao Jiang , Mingli Song

Text-to-image diffusion models are computationally intensive, often requiring dozens of forward passes through large transformer backbones. For instance, Stable Diffusion XL generates high-quality images with 50 evaluations of a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Natalia Frumkin , Diana Marculescu

The practical deployment of diffusion models is still hindered by the high memory and computational overhead. Although quantization paves a way for model compression and acceleration, existing methods face challenges in achieving low-bit…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Haoxuan Wang , Yuzhang Shang , Zhihang Yuan , Junyi Wu , Junchi Yan , Yan Yan

Diffusion models have gained popularity for generating images from textual descriptions. Nonetheless, the substantial need for computational resources continues to present a noteworthy challenge, contributing to time-consuming processes.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Hanwen Chang , Haihao Shen , Yiyang Cai , Xinyu Ye , Zhenzhong Xu , Wenhua Cheng , Kaokao Lv , Weiwei Zhang , Yintong Lu , Heng Guo

Diffusion models are emerging models that generate images by iteratively denoising random Gaussian noise using deep neural networks. These models typically exhibit high computational and memory demands, necessitating effective post-training…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Cheng Chen , Christina Giannoula , Andreas Moshovos

Post-training quantization (PTQ) is a practical path to deploy large diffusion models, but quantization noise can accumulate over the denoising trajectory and degrade generation quality. We propose Q-Drift, a principled sampler-side…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Sooyoung Ryu , Mathieu Salzmann , Saqib Javed

Recent success of large text-to-image models has empirically underscored the exceptional performance of diffusion models in generative tasks. To facilitate their efficient deployment on resource-constrained edge devices, model quantization…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Qian Zeng , Chenggong Hu , Mingli Song , Jie Song

The Diffusion model, a prevalent framework for image generation, encounters significant challenges in terms of broad applicability due to its extended inference times and substantial memory requirements. Efficient Post-training Quantization…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Yushi Huang , Ruihao Gong , Jing Liu , Tianlong Chen , Xianglong Liu

Post-training quantization (PTQ) is a neural network compression technique that converts a full-precision model into a quantized model using lower-precision data types. Although it can help reduce the size and computational cost of deep…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Jiawei Liu , Lin Niu , Zhihang Yuan , Dawei Yang , Xinggang Wang , Wenyu Liu

Diffusion models achieve high-quality image generation but face deployment challenges due to their high computational requirements. Although 8-bit outlier-aware post-training quantization (PTQ) matches full-precision performance, extending…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Donghoon Kim , Dongyoung Lee , Ik Joon Chang , Sung-Ho Bae

Diffusion models have been widely adopted in image and video generation. However, their complex network architecture leads to high inference overhead for its generation process. Existing diffusion quantization methods primarily focus on the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yihua Shao , Deyang Lin , Fanhu Zeng , Minxi Yan , Muyang Zhang , Siyu Chen , Yuxuan Fan , Ziyang Yan , Haozhe Wang , Jingcai Guo , Yan Wang , Haotong Qin , Hao Tang

Diffusion models have transformed image synthesis by establishing unprecedented quality and creativity benchmarks. Nevertheless, their large-scale deployment faces challenges due to computationally intensive iterative denoising processes.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Songwei Liu , Chao Zeng , Chenqian Yan , Xurui Peng , Xing Wang , Fangmin Chen , Xing Mei

In this work, we explore the quantization of diffusion models in extreme compression regimes to reduce model size while maintaining performance. We begin by investigating classical vector quantization but find that diffusion models are…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Jie Shao , Hanxiao Zhang , Jianxin Wu

Post-training quantization (PTQ) is the go-to compression technique for large generative models, such as stable diffusion or large language models. PTQ methods commonly keep the softmax activation in higher precision as it has been shown to…

Machine Learning · Computer Science 2023-09-06 Nilesh Prasad Pandey , Marios Fournarakis , Chirag Patel , Markus Nagel

Diffusion models (DMs) generate remarkable high quality images via the stochastic denoising process, which unfortunately incurs high sampling time. Post-quantizing the trained diffusion models in fixed bit-widths, e.g., 4 bits on weights…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Rocco Manz Maruzzelli , Basile Lewandowski , Lydia Y. Chen