中文
相关论文

相关论文: FoundIR-v2: Optimizing Pre-Training Data Mixtures …

200 篇论文

Pretraining data of large language models composes multiple domains (e.g., web texts, academic papers, codes), whose mixture proportions crucially impact the competence of outcome models. While existing endeavors rely on heuristics or…

计算与语言 · 计算机科学 2025-03-21 Jiasheng Ye , Peiju Liu , Tianxiang Sun , Jun Zhan , Yunhua Zhou , Xipeng Qiu

Recent years have witnessed the remarkable performance of diffusion models in various vision tasks. However, for image restoration that aims to recover clear images with sharper details from given degraded observations, diffusion-based…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Liyan Wang , Qinyu Yang , Cong Wang , Wei Wang , Jinshan Pan , Zhixun Su

Diffusion model has emerged as the \emph{de-facto} model for image generation, yet the heavy training overhead hinders its broader adoption in the research community. We observe that diffusion models are commonly trained to learn all…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Jiachen Lei , Qinglong Wang , Peng Cheng , Zhongjie Ba , Zhan Qin , Zhibo Wang , Zhenguang Liu , Kui Ren

In this paper, we point out that suboptimal noise-data mapping leads to slow training of diffusion models. During diffusion training, current methods diffuse each image across the entire noise space, resulting in a mixture of all images at…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Yiheng Li , Heyang Jiang , Akio Kodaira , Masayoshi Tomizuka , Kurt Keutzer , Chenfeng Xu

Most recent extreme rescaling methods struggle to preserve semantically consistent structures and produce realistic details, due to the severely ill-posed nature of low- to high-resolution mapping under scaling factors of $16\times$ or…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Hao Wei , Yanhui Zhou , Chenyang Ge , Saeed Anwar , Ajmal Mian

In recent years, large-scale pre-trained diffusion models have demonstrated their outstanding capabilities in image and video generation tasks. However, existing models tend to produce visual objects commonly found in the training dataset,…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Changgu Chen , Libing Yang , Xiaoyan Yang , Lianggangxu Chen , Gaoqi He , CHangbo Wang , Yang Li

Diffusion models have shown remarkable capabilities in generating high quality and creative images conditioned on text. An interesting application of such models is structure preserving text guided image editing. Existing approaches rely on…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Hareesh Ravi , Sachin Kelkar , Midhun Harikumar , Ajinkya Kale

Many approaches have been proposed to use diffusion models to augment training datasets for downstream tasks, such as classification. However, diffusion models are themselves trained on large datasets, often with noisy annotations, and it…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Max F. Burg , Florian Wenzel , Dominik Zietlow , Max Horn , Osama Makansi , Francesco Locatello , Chris Russell

Mesh reconstruction from multi-view images is a fundamental problem in computer vision, but its performance degrades significantly under sparse-view conditions, especially in unseen regions where no ground-truth observations are available.…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Haoyang Wang , Liming Liu , Peiheng Wang , Junlin Hao , Jiangkai Wu , Xinggong Zhang

Machine learning models are gaining increasing popularity in the domain of fluid dynamics for their potential to accelerate the production of high-fidelity computational fluid dynamics data. However, many recently proposed machine learning…

机器学习 · 计算机科学 2023-03-01 Dule Shu , Zijie Li , Amir Barati Farimani

Diffusion models have proven to be highly effective in generating high-quality images. However, adapting large pre-trained diffusion models to new domains remains an open challenge, which is critical for real-world applications. This paper…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Enze Xie , Lewei Yao , Han Shi , Zhili Liu , Daquan Zhou , Zhaoqiang Liu , Jiawei Li , Zhenguo Li

Mixture-of-Experts (MoE) models have shown remarkable capability in instruction tuning, especially when the number of tasks scales. However, previous methods simply merge all training tasks (e.g. creative writing, coding, and mathematics)…

计算与语言 · 计算机科学 2024-06-18 Tong Zhu , Daize Dong , Xiaoye Qu , Jiacheng Ruan , Wenliang Chen , Yu Cheng

Generative models play an important role in missing data imputation in that they aim to learn the joint distribution of full data. However, applying advanced deep generative models (such as Diffusion models) to missing data imputation is…

机器学习 · 计算机科学 2025-05-27 Hengrui Zhang , Liancheng Fang , Qitian Wu , Philip S. Yu

Exploiting pre-trained diffusion models for restoration has recently become a favored alternative to the traditional task-specific training approach. Previous works have achieved noteworthy success by limiting the solution space using…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Peiqing Yang , Shangchen Zhou , Qingyi Tao , Chen Change Loy

Recent advancements in text-guided diffusion models have unlocked powerful image manipulation capabilities. However, applying these methods to real images necessitates the inversion of the images into the domain of the pretrained diffusion…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Daniel Garibi , Or Patashnik , Andrey Voynov , Hadar Averbuch-Elor , Daniel Cohen-Or

Due to adverse atmospheric and imaging conditions, natural images suffer from various degradation phenomena. Consequently, image restoration has emerged as a key solution and garnered substantial attention. Although recent Transformer…

图像与视频处理 · 电气工程与系统科学 2025-05-12 Xingyu Jiang , Ning Gao , Xiuhui Zhang , Hongkun Dou , Shaowen Fu , Xiaoqing Zhong , Hongjue Li , Yue Deng

Diffusion models and flow matching have demonstrated remarkable success in text-to-image generation. While many existing alignment methods primarily focus on fine-tuning pre-trained generative models to maximize a given reward function,…

机器学习 · 统计学 2026-02-03 Yidong Ouyang , Liyan Xie , Hongyuan Zha , Guang Cheng

We present MoE-DiffIR, an innovative universal compressed image restoration (CIR) method with task-customized diffusion priors. This intends to handle two pivotal challenges in the existing CIR methods: (i) lacking adaptability and…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Yulin Ren , Xin Li , Bingchen Li , Xingrui Wang , Mengxi Guo , Shijie Zhao , Li Zhang , Zhibo Chen

This work aims to improve the applicability of diffusion models in realistic image restoration. Specifically, we enhance the diffusion model in several aspects such as network architecture, noise level, denoising steps, training image size,…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Ziwei Luo , Fredrik K. Gustafsson , Zheng Zhao , Jens Sjölund , Thomas B. Schön

Diffusion models have revitalized the image generation domain, playing crucial roles in both academic research and artistic expression. With the emergence of new diffusion models, assessing the performance of text-to-image models has become…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Chutian Meng , Fan Ma , Jiaxu Miao , Chi Zhang , Yi Yang , Yueting Zhuang