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We develop a neural network architecture which, trained in an unsupervised manner as a denoising diffusion model, simultaneously learns to both generate and segment images. Learning is driven entirely by the denoising diffusion objective,…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Xin Yuan , Michael Maire

Accurately predicting topologically correct masks remains a difficult task for general segmentation models, which often produce fragmented or disconnected outputs. Fixing these artifacts typically requires hand-crafted refinement rules or…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Malte Silbernagel , Albert Alonso , Jens Petersen , Bulat Ibragimov , Marleen de Bruijne , Madeleine K. Wyburd

We introduce the Fixed Point Diffusion Model (FPDM), a novel approach to image generation that integrates the concept of fixed point solving into the framework of diffusion-based generative modeling. Our approach embeds an implicit fixed…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Xingjian Bai , Luke Melas-Kyriazi

Data scarcity in medical imaging poses significant challenges due to privacy concerns. Diffusion models, a recent generative modeling technique, offer a potential solution by generating synthetic and realistic data. However, questions…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Abdullah al Nomaan Nafi , Md. Alamgir Hossain , Rakib Hossain Rifat , Md Mahabub Uz Zaman , Md Manjurul Ahsan , Shivakumar Raman

Diffusion probabilistic model (DPM) recently becomes one of the hottest topic in computer vision. Its image generation application such as Imagen, Latent Diffusion Models and Stable Diffusion have shown impressive generation capabilities,…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Junde Wu , Rao Fu , Huihui Fang , Yu Zhang , Yehui Yang , Haoyi Xiong , Huiying Liu , Yanwu Xu

With the great success of diffusion models in image generation, diffusion-based image compression is attracting increasing interests. However, due to the random noise introduced in the diffusion learning, they usually produce…

图像与视频处理 · 电气工程与系统科学 2026-04-09 Zhenyu Du , Yanbo Gao , Shuai Li , Yiyang Li , Hui Yuan , Mao Ye

We aim to leverage diffusion to address the challenging image matting task. However, the presence of high computational overhead and the inconsistency of noise sampling between the training and inference processes pose significant obstacles…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Yihan Hu , Yiheng Lin , Wei Wang , Yao Zhao , Yunchao Wei , Humphrey Shi

We propose the Fourier Adaptive Lite Diffusion Architecture (FALDA), a novel probabilistic framework for time series forecasting. First, we introduce the Diffusion Model for Residual Regression (DMRR) framework, which unifies…

机器学习 · 计算机科学 2025-05-19 Xinyan Wang , Rui Dai , Kaikui Liu , Xiangxiang Chu

Neural cellular automata represent an evolution of the traditional cellular automata model, enhanced by the integration of a deep learning-based transition function. This shift from a manual to a data-driven approach significantly increases…

图像与视频处理 · 电气工程与系统科学 2024-03-26 Andrea Menta , Alberto Archetti , Matteo Matteucci

Diffusion models and multi-scale features are essential components in semantic segmentation tasks that deal with remote-sensing images. They contribute to improved segmentation boundaries and offer significant contextual information.…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Qi Zhang , Guohua Geng , Longquan Yan , Pengbo Zhou , Zhaodi Li , Kang Li , Qinglin Liu

Generative diffusion models have emerged as a powerful tool for high-quality image synthesis, yet their iterative nature demands significant computational resources. This paper proposes an efficient time step sampling method based on an…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Haeil Lee , Hansang Lee , Seoyeon Gye , Junmo Kim

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

Advances in microscopy imaging enable researchers to visualize structures at the nanoscale level thereby unraveling intricate details of biological organization. However, challenges such as image noise, photobleaching of fluorophores, and…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Pamela Osuna-Vargas , Maren H. Wehrheim , Lucas Zinz , Johanna Rahm , Ashwin Balakrishnan , Alexandra Kaminer , Mike Heilemann , Matthias Kaschube

Diffusion models (DMs) have recently emerged as SoTA tools for generative modeling in various domains. Standard DMs can be viewed as an instantiation of hierarchical variational autoencoders (VAEs) where the latent variables are inferred…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Jiatao Gu , Shuangfei Zhai , Yizhe Zhang , Miguel Angel Bautista , Josh Susskind

Quantum-dot cellular automata (QCAs) offer a diffusive computing paradigm with picosecond transmission speed, making them an ideal candidate for moving diffusive computing to real-world applications. By implementing a trainable associative…

新兴技术 · 计算机科学 2019-01-07 James Stovold

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

Can a diffusion model produce its own "mental average" of a concept-one that is as sharp and realistic as a typical sample? We introduce Diffusion Mental Averages (DMA), a model-centric answer to this question. While prior methods aim to…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Phonphrm Thawatdamrongkit , Sukit Seripanitkarn , Supasorn Suwajanakorn

Magnetic resonance diffusion tensor imaging (DTI) is a critical tool for neural disease diagnosis. However, long scan time greatly hinders the widespread clinical use of DTI. To accelerate image acquisition, a feature-enhanced joint…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Lang Zhang , Jinling He , Dong Liang , Hairong Zheng , Yanjie Zhu

A multitude of imaging and vision tasks have seen recently a major transformation by deep learning methods and in particular by the application of convolutional neural networks. These methods achieve impressive results, even for…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Simon Arridge , Andreas Hauptmann

In this paper, we present the Directly Denoising Diffusion Model (DDDM): a simple and generic approach for generating realistic images with few-step sampling, while multistep sampling is still preserved for better performance. DDDMs require…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Dan Zhang , Jingjing Wang , Feng Luo