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While diffusion models can successfully generate data and make predictions, they are predominantly designed for static images. We propose an approach for efficiently training diffusion models for probabilistic spatiotemporal forecasting,…

机器学习 · 计算机科学 2023-10-12 Salva Rühling Cachay , Bo Zhao , Hailey Joren , Rose Yu

Glaucoma is one of the most severe eye diseases, characterized by rapid progression and leading to irreversible blindness. It is often the case that diagnostics is carried out when one's sight has already significantly degraded due to the…

图像与视频处理 · 电气工程与系统科学 2022-08-02 Ahmed Al Mahrooqi , Dmitrii Medvedev , Rand Muhtaseb , Mohammad Yaqub

Diffusion Probabilistic Methods are employed for state-of-the-art image generation. In this work, we present a method for extending such models for performing image segmentation. The method learns end-to-end, without relying on a…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Tomer Amit , Tal Shaharbany , Eliya Nachmani , Lior Wolf

Language-driven image segmentation is a fundamental task in vision-language understanding, requiring models to segment regions of an image corresponding to natural language expressions. Traditional methods approach this as a discriminative…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Yuhao Chen , Shubin Chen , Liang Lin , Guangrun Wang

Deep learning is widely applied in computer-aided pathological diagnosis, which alleviates the pathologist workload and provide timely clinical analysis. However, most models generally require large-scale annotated data for training, which…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Zeyu Liu , Tianyi Zhang , Yufang He , Yunlu Feng , Yu Zhao , Guanglei Zhang

Capsule endoscopy has enabled minimally invasive gastrointestinal imaging, but its clinical utility is limited by the inherently low resolution of captured images due to hardware, power, and transmission constraints. This limitation hampers…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Haozhe Jia

With the growing interest in foundation models for brain signals, graph-based pretraining has emerged as a promising paradigm for learning transferable representations from connectome data. However, existing contrastive and masked…

机器学习 · 计算机科学 2026-03-10 Xinxu Wei , Rong Zhou , Lifang He , Yu Zhang

We present a framework to take advantage of existing labels at inference, called \textit{exemplars}, in order to improve the performance of object detection in medical images. The method, \textit{exemplar diffusion}, leverages existing…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Victor Wåhlstrand , Jennifer Alvén , Ida Häggström

Deep learning has enabled breakthroughs in automated diagnosis from medical imaging, with many successful applications in ophthalmology. However, standard medical image classification approaches only assess disease presence at the time of…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Gregory Holste , Mingquan Lin , Ruiwen Zhou , Fei Wang , Lei Liu , Qi Yan , Sarah H. Van Tassel , Kyle Kovacs , Emily Y. Chew , Zhiyong Lu , Zhangyang Wang , Yifan Peng

Spurious features associated with class labels can lead image classifiers to rely on shortcuts that don't generalize well to new domains. This is especially problematic in medical settings, where biased models fail when applied to different…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Qixuan Jin , Walter Gerych , Marzyeh Ghassemi

Predicting counterfactual outcomes in longitudinal data, where sequential treatment decisions heavily depend on evolving patient states, is critical yet notoriously challenging due to complex time-dependent confounding and inadequate…

机器学习 · 统计学 2026-04-15 Farbod Alinezhad , Jianfei Cao , Gary J. Young , Brady Post

Recently, the attention mechanism has been successfully applied in convolutional neural networks (CNNs), significantly boosting the performance of many computer vision tasks. Unfortunately, few medical image recognition approaches…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Liu Li , Mai Xu , Xiaofei Wang , Lai Jiang , Hanruo Liu

One of the leading causes of blindness is glaucoma, which is challenging to detect since it remains asymptomatic until the symptoms are severe. Thus, diagnosis is usually possible until the markers are easy to identify, i.e., the damage has…

图像与视频处理 · 电气工程与系统科学 2021-10-05 Sayan Mandal , Alessandro A. Jammal , Felipe A. Medeiros

Diffusion models are powerful tools for sampling from high-dimensional distributions by progressively transforming pure noise into structured data through a denoising process. When equipped with a guidance mechanism, these models can also…

机器学习 · 计算机科学 2026-05-04 Saeed Mohseni-Sehdeh , Walid Saad , Kei Sakaguchi , Tao Yu

Remote sensing image change description represents an innovative multimodal task within the realm of remote sensing processing.This task not only facilitates the detection of alterations in surface conditions, but also provides…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Dongwei Sun , Jing Yao , Wu Xue , Changsheng Zhou , Pedram Ghamisi , Xiangyong Cao

Diffusion-based inpainting is a powerful tool for the reconstruction of images from sparse data. Its quality strongly depends on the choice of known data. Optimising their spatial location -- the inpainting mask -- is challenging. A…

图像与视频处理 · 电气工程与系统科学 2022-05-17 Tobias Alt , Pascal Peter , Joachim Weickert

In-context segmentation has drawn increasing attention with the advent of vision foundation models. Its goal is to segment objects using given reference images. Most existing approaches adopt metric learning or masked image modeling to…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Chaoyang Wang , Xiangtai Li , Henghui Ding , Lu Qi , Jiangning Zhang , Yunhai Tong , Chen Change Loy , Shuicheng Yan

Accurate PET imaging increasingly requires methods that support unconstrained detector layouts from walk-through designs to long-axial rings where gaps and open sides lead to severely undersampled sinograms. Instead of constraining the…

机器学习 · 计算机科学 2025-11-13 Rüveyda Yilmaz , Julian Thull , Johannes Stegmaier , Volkmar Schulz

The quality of a fundus image can be compromised by numerous factors, many of which are challenging to be appropriately and mathematically modeled. In this paper, we introduce a novel diffusion model based framework, named Learning…

图像与视频处理 · 电气工程与系统科学 2023-03-09 Puijin Cheng , Li Lin , Yijin Huang , Huaqing He , Wenhan Luo , Xiaoying Tang

Diffusion models have been increasingly used as strong generative priors for solving inverse problems such as super-resolution in medical imaging. However, these approaches typically utilize a diffusion prior trained at a single scale,…

图像与视频处理 · 电气工程与系统科学 2026-02-02 Darshan Thaker , Mahmoud Mostapha , Radu Miron , Shihan Qiu , Mariappan Nadar