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Related papers: PQD: Post-training Quantization for Efficient Diff…

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Denoising diffusion models have emerged as state-of-the-art in generative tasks across image, audio, and video domains, producing high-quality, diverse, and contextually relevant data. However, their broader adoption is limited by high…

Sound · Computer Science 2024-09-24 Jayneel Vora , Aditya Krishnan , Nader Bouacida , Prabhu RV Shankar , Prasant Mohapatra

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

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 Transformer (DiT) has now become the preferred choice for building image generation models due to its great generation capability. Unlike previous convolution-based UNet models, DiT is purely composed of a stack of transformer…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Ning Ding , Jing Han , Yuchuan Tian , Chao Xu , Kai Han , Yehui Tang

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

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

The Diffusion models, widely used for image generation, face significant challenges related to their broad applicability due to prolonged inference times and high memory demands. Efficient Post-Training Quantization (PTQ) is crucial to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yushi Huang , Ruihao Gong , Xianglong Liu , Jing Liu , Yuhang Li , Jiwen Lu , Dacheng Tao

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

Text-to-image diffusion models have emerged as a powerful framework for high-quality image generation given textual prompts. Their success has driven the rapid development of production-grade diffusion models that consistently increase in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Vage Egiazarian , Denis Kuznedelev , Anton Voronov , Ruslan Svirschevski , Michael Goin , Daniil Pavlov , Dan Alistarh , Dmitry Baranchuk

Diffusion Transformers (DiTs) have emerged as the state-of-the-art architecture for video generation, yet their computational and memory demands hinder practical deployment. While post-training quantization (PTQ) presents a promising…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Zhiteng Li , Hanxuan Li , Junyi Wu , Kai Liu , Haotong Qin , Linghe Kong , Guihai Chen , Yulun Zhang , Xiaokang Yang

The recent introduction of Diffusion Transformers (DiTs) has demonstrated exceptional capabilities in image generation by using a different backbone architecture, departing from traditional U-Nets and embracing the scalable nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Junyi Wu , Haoxuan Wang , Yuzhang Shang , Mubarak Shah , Yan Yan

Diffusion models have emerged as preeminent contenders in the realm of generative models. Distinguished by their distinctive sequential generative processes, characterized by hundreds or even thousands of timesteps, diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Haojun Sun , Chen Tang , Zhi Wang , Yuan Meng , Jingyan jiang , Xinzhu Ma , Wenwu Zhu

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

Model quantization is a promising method for accelerating and compressing diffusion models. Nevertheless, since post-training quantization (PTQ) fails catastrophically at low-bit cases, quantization-aware training (QAT) is essential.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Xuewen Liu , Zhikai Li , Minhao Jiang , Mengjuan Chen , Jianquan Li , Qingyi Gu

In this paper, we propose an accurate data-free post-training quantization framework of diffusion models (ADP-DM) for efficient image generation. Conventional data-free quantization methods learn shared quantization functions for tensor…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Changyuan Wang , Ziwei Wang , Xiuwei Xu , Yansong Tang , Jie Zhou , Jiwen Lu

Diffusion models have demonstrated exceptional generative capabilities but are computationally intensive, posing significant challenges for deployment in resource-constrained or latency-sensitive environments. Quantization offers an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiaji Zhang , Ruichao Sun , Hailiang Zhao , Jiaju Wu , Peng Chen , Hao Li , Yuying Liu , Kingsum Chow , Gang Xiong , Shuiguang Deng

High computational overhead is a troublesome problem for diffusion models. Recent studies have leveraged post-training quantization (PTQ) to compress diffusion models. However, most of them only focus on unconditional models, leaving the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Siao Tang , Xin Wang , Hong Chen , Chaoyu Guan , Zewen Wu , Yansong Tang , Wenwu Zhu

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

Diffusion transformers (DiTs) combine transformer architectures with diffusion models. However, their computational complexity imposes significant limitations on real-time applications and sustainability of AI systems. In this study, we aim…

Machine Learning · Computer Science 2025-02-07 Younghye Hwang , Hyojin Lee , Joonhyuk Kang

The emergence of billion-parameter diffusion models such as Stable Diffusion XL, Imagen, and DALL-E 3 has significantly propelled the domain of generative AI. However, their large-scale architecture presents challenges in fine-tuning and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Hyogon Ryu , Seohyun Lim , Hyunjung Shim