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Traditional brain lesion segmentation models for multi-modal MRI are typically tailored to specific pathologies, relying on datasets with predefined modalities. Adapting to new MRI modalities or pathologies often requires training separate…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Yousef Sadegheih , Pratibha Kumari , Dorit Merhof

While self-supervised learning techniques are often used to mining implicit knowledge from unlabeled data via modeling multiple views, it is unclear how to perform effective representation learning in a complex and inconsistent context. To…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Jiangmeng Li , Wenwen Qiang , Changwen Zheng , Bing Su , Farid Razzak , Ji-Rong Wen , Hui Xiong

Dynamic factor models are often estimated by point-estimation methods, disregarding parameter uncertainty. We propose a method accounting for parameter uncertainty by means of posterior approximation, using variational inference. Our…

统计方法学 · 统计学 2022-10-14 Erik Spånberg

A method for learning local affine-covariant regions is presented. We show that maximizing geometric repeatability does not lead to local regions, a.k.a features,that are reliably matched and this necessitates descriptor-based learning. We…

计算机视觉与模式识别 · 计算机科学 2018-08-29 Dmytro Mishkin , Filip Radenovic , Jiri Matas

Convolutional neural networks (CNNs) have demonstrated gratifying results at learning discriminative features. However, when applied to unseen domains, state-of-the-art models are usually prone to errors due to domain shift. After…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Rang Meng , Xianfeng Li , Weijie Chen , Shicai Yang , Jie Song , Xinchao Wang , Lei Zhang , Mingli Song , Di Xie , Shiliang Pu

Deep neural networks have shown great success in prediction quality while reliable and robust uncertainty estimation remains a challenge. Predictive uncertainty supplements model predictions and enables improved functionality of downstream…

机器学习 · 计算机科学 2021-12-02 Johanna Rock , Tiago Azevedo , René de Jong , Daniel Ruiz-Muñoz , Partha Maji

Fine-grained image-text alignment is a pivotal challenge in multimodal learning, underpinning key applications such as visual question answering, image captioning, and vision-language navigation. Unlike global alignment, fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Jiale Liu , Haoming Zhou , Yishu Liu , Bingzhi Chen , Yuncheng Jiang

Uncertainty quantification (UQ) in deep learning regression is of wide interest, as it supports critical applications including sequential decision making and risk-sensitive tasks. In heteroskedastic regression, where the uncertainty of the…

Deep learning has the potential to dramatically impact navigation and tracking state estimation problems critical to autonomous vehicles and robotics. Measurement uncertainties in state estimation systems based on Kalman and other Bayes…

机器学习 · 计算机科学 2021-06-16 Rebecca L. Russell , Christopher Reale

MRI reconstruction techniques based on deep learning have led to unprecedented reconstruction quality especially in highly accelerated settings. However, deep learning techniques are also known to fail unexpectedly and hallucinate…

图像与视频处理 · 电气工程与系统科学 2023-08-08 Paul Fischer , Thomas Küstner , Christian F. Baumgartner

Selectivity estimation - the problem of estimating the result size of queries - is a fundamental problem in databases. Accurate estimation of query selectivity involving multiple correlated attributes is especially challenging. Poor…

数据库 · 计算机科学 2019-06-19 Shohedul Hasan , Saravanan Thirumuruganathan , Jees Augustine , Nick Koudas , Gautam Das

The scarcity of labeled data often impedes the application of deep learning to the segmentation of medical images. Semi-supervised learning seeks to overcome this limitation by exploiting unlabeled examples in the learning process. In this…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Jizong Peng , Marco Pedersoli , Christian Desrosiers

In medical image segmentation, uncertainty estimates are often reported but rarely used to guide decisions. We study the missing step: how uncertainty maps are converted into actionable policies such as accepting, flagging, or deferring…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Saket Maganti

Having access to a forward model enables the use of planning algorithms such as Monte Carlo Tree Search and Rolling Horizon Evolution. Where a model is unavailable, a natural aim is to learn a model that reflects accurately the dynamics of…

机器学习 · 计算机科学 2020-04-16 Alvaro Ovalle , Simon M. Lucas

We present two practical improvement techniques for unsupervised segmentation learning. These techniques address limitations in the resolution and accuracy of predicted segmentation maps of recent state-of-the-art methods. Firstly, we…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Alp Eren Sari , Francesco Locatello , Paolo Favaro

Recent advancements in medical image segmentation techniques have achieved compelling results. However, most of the widely used approaches do not take into account any prior knowledge about the shape of the biomedical structures being…

图像与视频处理 · 电气工程与系统科学 2019-09-18 Zhou He , Siqi Bao , Albert Chung

Integrating multi-modal data to promote medical image analysis has recently gained great attention. This paper presents a novel scheme to learn the mutual benefits of different modalities to achieve better segmentation results for unpaired…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Jie Yang , Ye Zhu , Chaoqun Wang , Zhen Li , Ruimao Zhang

Recently, deep neural networks have greatly advanced undersampled Magnetic Resonance Image (MRI) reconstruction, wherein most studies follow the one-anatomy-one-network fashion, i.e., each expert network is trained and evaluated for a…

图像与视频处理 · 电气工程与系统科学 2022-06-17 Jiangpeng Yan , Chenghui Yu , Hanbo Chen , Zhe Xu , Junzhou Huang , Xiu Li , Jianhua Yao

Truly intelligent systems are expected to make critical decisions with incomplete and uncertain data. Active feature acquisition (AFA), where features are sequentially acquired to improve the prediction, is a step towards this goal.…

机器学习 · 计算机科学 2021-07-12 Yang Li , Siyuan Shan , Qin Liu , Junier B. Oliva

Data augmentation methods are commonly integrated into the training of anomaly detection models. Previous approaches have primarily focused on replicating real-world anomalies or enhancing diversity, without considering that the standard of…

人工智能 · 计算机科学 2024-12-30 Jiang Lin , Yaping Yan