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Interpreting EEG signals linked to spoken language presents a complex challenge, given the data's intricate temporal and spatial attributes, as well as the various noise factors. Denoising diffusion probabilistic models (DDPMs), which have…

计算与语言 · 计算机科学 2023-11-15 Soowon Kim , Seo-Hyun Lee , Young-Eun Lee , Ji-Won Lee , Ji-Ha Park , Seong-Whan Lee

Score-based diffusion models have achieved remarkable empirical success in generating high-quality samples from target data distributions. Among them, the Denoising Diffusion Probabilistic Model (DDPM) is one of the most widely used…

机器学习 · 统计学 2025-12-16 Yuchen Jiao , Yuchen Zhou , Gen Li

By decomposing the image formation process into a sequential application of denoising autoencoders, diffusion models (DMs) achieve state-of-the-art synthesis results on image data and beyond. Additionally, their formulation allows for a…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Robin Rombach , Andreas Blattmann , Dominik Lorenz , Patrick Esser , Björn Ommer

Denoising diffusion models are a powerful type of generative models used to capture complex distributions of real-world signals. However, their applicability is limited to scenarios where training samples are readily available, which is not…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Ayush Tewari , Tianwei Yin , George Cazenavette , Semon Rezchikov , Joshua B. Tenenbaum , Frédo Durand , William T. Freeman , Vincent Sitzmann

Facial expression generation is one of the most challenging and long-sought aspects of character animation, with many interesting applications. The challenging task, traditionally having relied heavily on digital craftspersons, remains yet…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Kaifeng Zou , Sylvain Faisan , Boyang Yu , Sébastien Valette , Hyewon Seo

Diffusion models achieve state-of-the-art image generation but remain computationally costly due to iterative denoising. Latent-space models like Stable Diffusion reduce overhead yet lose fine detail, while retrieval-augmented methods…

机器学习 · 计算机科学 2025-12-23 Bilal Faye , Hanane Azzag , Mustapha Lebbah

Denoising diffusion probabilistic models (DDPMs) have shown impressive results on sequence generation by iteratively corrupting each example and then learning to map corrupted versions back to the original. However, previous work has…

机器学习 · 计算机科学 2021-07-19 Daniel D. Johnson , Jacob Austin , Rianne van den Berg , Daniel Tarlow

Denoising Diffusion Probabilistic Models (DDPMs) have garnered popularity for data generation across various domains. However, a significant bottleneck is the necessity for whole-network computation during every step of the generative…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Shuai Yang , Yukang Chen , Luozhou Wang , Shu Liu , Yingcong Chen

We show that a Denoising Diffusion Probabalistic Model (DDPM), a class of score-based generative model, can be used to produce realistic mock images that mimic observations of galaxies. Our method is tested with Dark Energy Spectroscopic…

天体物理仪器与方法 · 物理学 2022-02-01 Michael J. Smith , James E. Geach , Ryan A. Jackson , Nikhil Arora , Connor Stone , Stéphane Courteau

Denoising Diffusion models are gaining increasing popularity in the field of generative modeling for several reasons, including the simple and stable training, the excellent generative quality, and the solid probabilistic foundation. In…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Andrea Asperti , Davide Evangelista , Samuele Marro , Fabio Merizzi

Deep neural networks have been extensively applied in the medical domain for various tasks, including image classification, segmentation, and landmark detection. However, their application is often hindered by data scarcity, both in terms…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Roberto Di Via , Francesca Odone , Vito Paolo Pastore

The denoising diffusion probabilistic model (DDPM) has emerged as a mainstream generative model in generative AI. While sharp convergence guarantees have been established for the DDPM, the iteration complexity is, in general, proportional…

机器学习 · 计算机科学 2026-02-17 Zhihan Huang , Yuting Wei , Yuxin Chen

Most existing Image Restoration (IR) models are task-specific, which can not be generalized to different degradation operators. In this work, we propose the Denoising Diffusion Null-Space Model (DDNM), a novel zero-shot framework for…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Yinhuai Wang , Jiwen Yu , Jian Zhang

Generating healthy counterfactuals from pathological images holds significant promise in medical imaging, e.g., in anomaly detection or for application of analysis tools that are designed for healthy scans. These counterfactuals should…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Ana Lawry Aguila , Peirong Liu , Marina Crespo Aguirre , Juan Eugenio Iglesias

In radio astronomy, signals from radio telescopes are transformed into images of observed celestial objects, or sources. However, these images, called dirty images, contain real sources as well as artifacts due to signal sparsity and other…

天体物理仪器与方法 · 物理学 2023-08-30 Ruoqi Wang , Zhuoyang Chen , Qiong Luo , Feng Wang

Diffusion models (DMs) have demonstrated exceptional generative capabilities across various domains, including image, video, and so on. A key factor contributing to their effectiveness is the high quantity and quality of data used during…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Qianlong Xiang , Miao Zhang , Yuzhang Shang , Jianlong Wu , Yan Yan , Liqiang Nie

Due to the domain gap between real-world and synthetic hazy images, current data-driven dehazing algorithms trained on synthetic datasets perform well on synthetic data but struggle to generalize to real-world scenarios. To address this…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Shijun Zhou , Xing Xie , Baojie Fan , Jiandong Tian

Diffusion Probabilistic Models (DPMs) have shown a powerful capacity of generating high-quality image samples. Recently, diffusion autoencoders (Diff-AE) have been proposed to explore DPMs for representation learning via autoencoding. Their…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Zijian Zhang , Zhou Zhao , Zhijie Lin

Although many long-range imaging systems are designed to support extended vision applications, a natural obstacle to their operation is degradation due to atmospheric turbulence. Atmospheric turbulence causes significant degradation to…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Nithin Gopalakrishnan Nair , Kangfu Mei , Vishal M. Patel

Recently, text-to-image diffusion models become a new paradigm in image processing fields, including content generation, image restoration and image-to-image translation. Given a target prompt, Denoising Diffusion Probabilistic Models…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Yupei Lin , Xiaoyu Xian , Yukai Shi , Liang Lin