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Counterfactual medical image generation effectively addresses data scarcity and enhances the interpretability of medical images. However, due to the complex and diverse pathological features of medical images and the imbalanced class…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Weizhi Nie , Zichun Zhang , Weijie Wang , Bruno Lepri , Anan Liu , Nicu Sebe

Deepfake content on social networks is increasingly produced through multiple \emph{sequential} edits to biometric data such as facial imagery. Consequently, the final appearance of an image often reflects a latent chain of operations…

密码学与安全 · 计算机科学 2026-04-14 Mengieong Hoi , Zhedong Zheng , Ping Liu , Wei Liu

3D image reconstruction from a limited number of 2D images has been a long-standing challenge in computer vision and image analysis. While deep learning-based approaches have achieved impressive performance in this area, existing deep…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Nivetha Jayakumar , Tonmoy Hossain , Miaomiao Zhang

Multistep instructions, such as recipes and how-to guides, greatly benefit from visual aids, such as a series of images that accompany the instruction steps. While Large Language Models (LLMs) have become adept at generating coherent…

计算机视觉与模式识别 · 计算机科学 2024-05-17 João Bordalo , Vasco Ramos , Rodrigo Valério , Diogo Glória-Silva , Yonatan Bitton , Michal Yarom , Idan Szpektor , Joao Magalhaes

The scarcity of publicly available medical imaging data limits the development of effective AI models. This work proposes a memory-efficient patch-wise denoising diffusion probabilistic model (DDPM) for generating synthetic medical images,…

图像与视频处理 · 电气工程与系统科学 2024-10-17 Kathrin Khadra , Utku Türkbey

While hundreds of artificial intelligence (AI) algorithms are now approved or cleared by the US Food and Drugs Administration (FDA), many studies have shown inconsistent generalization or latent bias, particularly for underrepresented…

Image generation models trained on large datasets can synthesize high-quality images but often produce spatially inconsistent and distorted images due to limited information about the underlying structures and spatial layouts. In this work,…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Hyundo Lee , Suhyung Choi , Inwoo Hwang , Byoung-Tak Zhang

Diffusion-based text-to-image generation models trade latency for quality: small models are fast but generate lower-quality images, while large models produce better images but are slow. We present MoDM, a novel caching-based serving system…

分布式、并行与集群计算 · 计算机科学 2025-08-05 Yuchen Xia , Divyam Sharma , Yichao Yuan , Souvik Kundu , Nishil Talati

Objective: Cone-beam computed tomography (CBCT) provides a low-dose imaging alternative to conventional CT, but suffers from noise, scatter, and artifacts that degrade image quality. Synthetic CT (sCT) aims to translate CBCT to high-quality…

医学物理 · 物理学 2025-09-23 Alzahra Altalib , Chunhui Li , Alessandro Perelli

While latent diffusion models (LDMs), such as Stable Diffusion, are designed for high-resolution (HR) image generation, they often struggle with significant structural distortions when generating images at resolutions higher than their…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Boyuan Cao , Jiaxin Ye , Yujie Wei , Hongming Shan

Recent advances in self-supervised learning for EEG representation have largely relied on masked reconstruction, where models are trained to recover randomly masked signal segments. While effective at modeling local dependencies, such…

机器学习 · 计算机科学 2026-04-17 Shaocong Wang , Tong Liu , Yihan Li , Ming Li , Kairui Wen , Pei Yang , Wenqi Ji , Minjing Yu , Yong-Jin Liu

The lack of real-world data in clinical fields poses a major obstacle in training effective AI models for diagnostic and preventive tools in medicine. Generative AI has shown promise in increasing data volume and enhancing model training,…

机器学习 · 计算机科学 2026-02-10 Md Shahriar Kabir , Sana Alamgeer , Minakshi Debnath , Anne H. H. Ngu

2D portrait animation has experienced significant advancements in recent years. Much research has utilized the prior knowledge embedded in large generative diffusion models to enhance high-quality image manipulation. However, most methods…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Xinya Ji , Gaspard Zoss , Prashanth Chandran , Lingchen Yang , Xun Cao , Barbara Solenthaler , Derek Bradley

Existing segmentation models trained on a single medical imaging dataset often lack robustness when encountering unseen organs or tumors. Developing a robust model capable of identifying rare or novel tumor categories not present during…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Rong Wu , Ziqi Chen , Liming Zhong , Heng Li , Hai Shu

Scaling by training on large datasets has been shown to enhance the quality and fidelity of image generation and manipulation with diffusion models; however, such large datasets are not always accessible in medical imaging due to cost and…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Yousef Yeganeh , Azade Farshad , Ioannis Charisiadis , Marta Hasny , Martin Hartenberger , Björn Ommer , Nassir Navab , Ehsan Adeli

Generating high-fidelity and biologically plausible synthetic single-cell RNA sequencing (scRNA-seq) data, especially with conditional control, is challenging due to its high dimensionality, sparsity, and complex biological variations.…

机器学习 · 计算机科学 2025-06-17 Lorenzo Bini , Stephane Marchand-Maillet

For recent diffusion-based generative models, maintaining consistent content across a series of generated images, especially those containing subjects and complex details, presents a significant challenge. In this paper, we propose a new…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Yupeng Zhou , Daquan Zhou , Ming-Ming Cheng , Jiashi Feng , Qibin Hou

Generative latent diffusion models have been established as state-of-the-art in data generation. One promising application is generation of realistic synthetic medical imaging data for open data sharing without compromising patient privacy.…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Salman Ul Hassan Dar , Arman Ghanaat , Jannik Kahmann , Isabelle Ayx , Theano Papavassiliu , Stefan O. Schoenberg , Sandy Engelhardt

Image anomaly detection plays a vital role in applications such as industrial quality inspection and medical imaging, where it directly contributes to improving product quality and system reliability. However, existing methods often…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Zekang Weng , Jinjin Shi , Jinwei Wang , Zeming Han

Deep learning has become a popular tool for medical image analysis, but the limited availability of training data remains a major challenge, particularly in the medical field where data acquisition can be costly and subject to privacy…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Aghiles Kebaili , Jérôme Lapuyade-Lahorgue , Su Ruan