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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

Diffusion Transformers (DiT) have become the dominant methods in image and video generation yet still suffer substantial computational costs. As an effective approach for DiT acceleration, feature caching methods are designed to cache the…

Machine Learning · Computer Science 2025-11-19 Chang Zou , Evelyn Zhang , Runlin Guo , Haohang Xu , Conghui He , Xuming Hu , Linfeng Zhang

Recently, vision transformers (ViTs) have superseded convolutional neural networks in numerous applications, including classification, detection, and segmentation. However, the high computational requirements of ViTs hinder their widespread…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Jemin Lee , Yongin Kwon , Sihyeong Park , Misun Yu , Jeman Park , Hwanjun Song

Post-training quantization (PTQ) has emerged as a promising solution for reducing the storage and computational cost of vision transformers (ViTs). Recent advances primarily target at crafting quantizers to deal with peculiar activations…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Runqing Jiang , Ye Zhang , Longguang Wang , Pengpeng Yu , Yulan Guo

Diffusion models excel in image generation but are computational and resource-intensive due to their reliance on iterative Markov chain processes, leading to error accumulation and limiting the effectiveness of naive compression techniques.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Beomseok Ko , Hyeryung Jang

Video object removal and inpainting are critical tasks in the fields of computer vision and multimedia processing, aimed at restoring missing or corrupted regions in video sequences. Traditional methods predominantly rely on flow-based…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Jie Liu , Zheng Hui

Diffusion Transformers (DiT) have attracted significant attention in research. However, they suffer from a slow convergence rate. In this paper, we aim to accelerate DiT training without any architectural modification. We identify the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Jingfeng Yao , Wang Cheng , Wenyu Liu , Xinggang Wang

Understanding how knowledge is distributed across the layers of generative models is crucial for improving interpretability, controllability, and adaptation. While prior work has explored knowledge localization in UNet-based architectures,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Arman Zarei , Samyadeep Basu , Keivan Rezaei , Zihao Lin , Sayan Nag , Soheil Feizi

Diffusion-based large language models (DLLMs) have shown promise for non-autoregressive text generation, but their deployment is constrained by large model sizes and heavy computational costs. Post-training quantization (PTQ), a widely used…

Computation and Language · Computer Science 2025-08-27 Chen Xu , Dawei Yang

Diffusion Transformer (DiT) has emerged as a powerful model architecture for generating high-quality images and videos. In the case of video DiT, 3D Spatio-Temporal Attention increases token length in proportion to the number of frames,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Hangyeol Lee , Joo-Young Kim

Diffusion Transformer (DiT) has driven significant progress in image generation tasks. However, DiT inferencing is notoriously compute-intensive and incurs long latency even on datacenter-scale GPUs, primarily due to its iterative nature…

Hardware Architecture · Computer Science 2025-04-14 Daeun Kim , Jinwoo Hwang , Changhun Oh , Jongse Park

Diffusion Transformers (DiTs) achieve state-of-the-art generation quality but require long sequential denoising trajectories, leading to high inference latency. Recent speculative inference methods enable lossless parallel sampling in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Xinwan Wen , Bowen Li , Jiajun Luo , Ye Li , Zhi Wang

Diffusion transformers (DiTs) achieve high generative quality but lock FLOPs to image resolution, limiting principled latency-quality trade-offs, and allocate computation uniformly across input spatial tokens, wasting resource allocation to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Moayed Haji-Ali , Willi Menapace , Ivan Skorokhodov , Dogyun Park , Anil Kag , Michael Vasilkovsky , Sergey Tulyakov , Vicente Ordonez , Aliaksandr Siarohin

We propose DiffQ a differentiable method for model compression for quantizing model parameters without gradient approximations (e.g., Straight Through Estimator). We suggest adding independent pseudo quantization noise to model parameters…

Machine Learning · Statistics 2022-10-18 Alexandre Défossez , Yossi Adi , Gabriel Synnaeve

Low-dose computed tomography (LDCT) reduces radiation exposure but suffers from image artifacts and loss of detail due to quantum and electronic noise, potentially impacting diagnostic accuracy. Transformer combined with diffusion models…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Qiqing Liu , Guoquan Wei , Zekun Zhou , Yiyang Wen , Liu Shi , Qiegen Liu

Post-Training Quantization (PTQ) and Quantization-Aware Training (QAT) represent two mainstream model quantization approaches. However, PTQ often leads to unacceptable performance degradation in quantized models, while QAT imposes…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Xinhao Wang , Zhiwei Lin , Zhongyu Xia , Yongtao Wang

Diffusion models (DMs) have demonstrated to be powerful priors for signal recovery, but their application to 1-bit quantization tasks, such as 1-bit compressed sensing and logistic regression, remains a challenge. This difficulty stems from…

Machine Learning · Computer Science 2026-01-13 Youming Chen , Zhaoqiang Liu

Diffusion models have significantly reshaped the field of generative artificial intelligence and are now increasingly explored for their capacity in discriminative representation learning. Diffusion Transformer (DiT) has recently gained…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Changyu Liu , James Chenhao Liang , Wenhao Yang , Yiming Cui , Jinghao Yang , Tianyang Wang , Qifan Wang , Dongfang Liu , Cheng Han

Diffusion Transformers (DiTs) have demonstrated strong performance in generative modeling, particularly in image synthesis, making them a compelling choice for molecular conformer generation. However, applying DiTs to molecules introduces…

Machine Learning · Computer Science 2025-11-12 J. Thorben Frank , Winfried Ripken , Gregor Lied , Klaus-Robert Müller , Oliver T. Unke , Stefan Chmiela

Diffusion Transformer (DiT) faces challenges when generating images with higher resolution compared at training resolution, causing especially structural degradation due to attention dilution. Previous approaches attempt to mitigate this by…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yihua Liu , Fanjiang Ye , Bowen Lin , Rongyu Fang , Chengming Zhang