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Emerging evidence indicates that human cancers are intricately linked to human microbiomes, forming an inseparable connection. However, due to limited sample sizes and significant data loss during collection for various reasons, some…

基因组学 · 定量生物学 2024-08-16 Xinyuan Shi , Fangfang Zhu , Wenwen Min

Incomplete data are common in real-world tabular applications, where numerical, categorical, and discrete attributes coexist within a single dataset. This heterogeneous structure presents significant challenges for existing diffusion-based…

机器学习 · 计算机科学 2025-11-19 Youran Zhou , Mohamed Reda Bouadjenek , Sunil Aryal

Diffusion models have recently emerged as powerful tools for missing data imputation by modeling the joint distribution of observed and unobserved variables. However, existing methods, typically based on stochastic denoising diffusion…

人工智能 · 计算机科学 2025-08-06 Youran Zhou , Mohamed Reda Bouadjenek , Sunil Aryal

Solving medical imaging data scarcity through semantic image generation has attracted growing attention in recent years. However, existing generative models mainly focus on synthesizing whole-organ or large-tissue structures, showing…

图像与视频处理 · 电气工程与系统科学 2025-12-19 Jiahao Xia , Yutao Hu , Yaolei Qi , Zhenliang Li , Wenqi Shao , Junjun He , Ying Fu , Longjiang Zhang , Guanyu Yang

Diffusion-based data augmentation (DiffDA) has emerged as a promising approach to improving classification performance under data scarcity. However, existing works vary significantly in task configurations, model choices, and experimental…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Zekun Li , Yinghuan Shi , Yang Gao , Dong Xu

Deep learning models have made significant advances in histological prediction tasks in recent years. However, for adaptation in clinical practice, their lack of robustness to varying conditions such as staining, scanner, hospital, and…

图像与视频处理 · 电气工程与系统科学 2025-06-23 David Jacob Drexlin , Jonas Dippel , Julius Hense , Niklas Prenißl , Grégoire Montavon , Frederick Klauschen , Klaus-Robert Müller

Recent advancements in deep learning for medical image segmentation are often limited by the scarcity of high-quality training data.While diffusion models provide a potential solution by generating synthetic images, their effectiveness in…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Jianhao Xie , Ziang Zhang , Zhenyu Weng , Yuesheng Zhu , Guibo Luo

The scale and quality of a dataset significantly impact the performance of deep models. However, acquiring large-scale annotated datasets is both a costly and time-consuming endeavor. To address this challenge, dataset expansion…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Haowei Zhu , Ling Yang , Jun-Hai Yong , Hongzhi Yin , Jiawei Jiang , Meng Xiao , Wentao Zhang , Bin Wang

Anomaly detection in multivariate time series data is of paramount importance for ensuring the efficient operation of large-scale systems across diverse domains. However, accurately detecting anomalies in such data poses significant…

Esophageal cancer is one of the most common types of cancer worldwide and ranks sixth in cancer-related mortality. Accurate computer-assisted diagnosis of cancer progression can help physicians effectively customize personalized treatment…

图像与视频处理 · 电气工程与系统科学 2024-05-17 Chengyu Wu , Chengkai Wang , Yaqi Wang , Huiyu Zhou , Yatao Zhang , Qifeng Wang , Shuai Wang

With the rapid development of imaging sensor technology in the field of remote sensing, multi-modal remote sensing data fusion has emerged as a crucial research direction for land cover classification tasks. While diffusion models have made…

计算机视觉与模式识别 · 计算机科学 2024-01-08 DaiXun Li , Weiying Xie , ZiXuan Wang , YiBing Lu , Yunsong Li , Leyuan Fang

Diffusion Probabilistic Models have recently shown remarkable performance in generative image modeling, attracting significant attention in the computer vision community. However, while a substantial amount of diffusion-based research has…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Yijun Yang , Huazhu Fu , Angelica I. Aviles-Rivero , Carola-Bibiane Schönlieb , Lei Zhu

For the past few years, deep generative models have increasingly been used in biological research for a variety of tasks. Recently, they have proven to be valuable for uncovering subtle cell phenotypic differences that are not directly…

图像与视频处理 · 电气工程与系统科学 2026-01-28 Anis Bourou , Thomas Boyer , Kévin Daupin , Véronique Dubreuil , Aurélie De Thonel , Valérie Mezger , Auguste Genovesio

Diffusion-based generative models (DBGMs) perturb data to a target noise distribution and reverse this process to generate samples. The choice of noising process, or inference diffusion process, affects both likelihoods and sample quality.…

机器学习 · 计算机科学 2023-03-06 Raghav Singhal , Mark Goldstein , Rajesh Ranganath

Diffusion-based generative models have shown promise in synthesizing histopathology images to address data scarcity caused by privacy constraints. Diagnostic text reports provide high-level semantic descriptions, and masks offer…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Mahesh Bhosale , Abdul Wasi , Yuanhao Zhai , Yunjie Tian , Samuel Border , Nan Xi , Pinaki Sarder , Junsong Yuan , David Doermann , Xuan Gong

We introduce MedCondDiff, a diffusion-based framework for multi-organ medical image segmentation that is efficient and anatomically grounded. The model conditions the denoising process on semantic priors extracted by a Pyramid Vision…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Ruirui Huang , Jiacheng Li

Synthesizing high-quality tabular data is an important topic in many data science tasks, ranging from dataset augmentation to privacy protection. However, developing expressive generative models for tabular data is challenging due to its…

机器学习 · 计算机科学 2025-02-18 Juntong Shi , Minkai Xu , Harper Hua , Hengrui Zhang , Stefano Ermon , Jure Leskovec

Data imputation and data generation have important applications for many domains, like healthcare and finance, where incomplete or missing data can hinder accurate analysis and decision-making. Diffusion models have emerged as powerful…

机器学习 · 计算机科学 2025-06-10 Mario Villaizán-Vallelado , Matteo Salvatori , Carlos Segura , Ioannis Arapakis

Data-dependent metrics are powerful tools for learning the underlying structure of high-dimensional data. This article develops and analyzes a data-dependent metric known as diffusion state distance (DSD), which compares points using a…

机器学习 · 统计学 2020-03-10 Lenore Cowen , Kapil Devkota , Xiaozhe Hu , James M. Murphy , Kaiyi Wu

Machine learning tasks involving biomedical signals frequently grapple with issues such as limited data availability, imbalanced datasets, labeling complexities, and the interference of measurement noise. These challenges often hinder the…

信号处理 · 电气工程与系统科学 2024-01-30 Xiaomin Li , Mykhailo Sakevych , Gentry Atkinson , Vangelis Metsis
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