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We develop a new Bayesian framework based on deep neural networks to be able to extrapolate in space-time using historical data and to quantify uncertainties arising from both noisy and gappy data in physical problems. Specifically, the…

机器学习 · 计算机科学 2022-03-14 Xuhui Meng , Liu Yang , Zhiping Mao , Jose del Aguila Ferrandis , George Em Karniadakis

Implicit stochastic models, where the data-generation distribution is intractable but sampling is possible, are ubiquitous in the natural sciences. The models typically have free parameters that need to be inferred from data collected in…

机器学习 · 统计学 2020-08-17 Steven Kleinegesse , Michael U. Gutmann

Medical multimodal representation learning aims to integrate heterogeneous data into unified patient representations to support clinical outcome prediction. However, real-world medical datasets commonly contain systematic biases from…

机器学习 · 计算机科学 2026-05-19 Xiaoguang Zhu , Linxiao Gong , Lianlong Sun , Yang Liu , Haoyu Wang , Jing Liu

Clinical diagnosis, which aims to assign diagnosis codes for a patient based on the clinical note, plays an essential role in clinical decision-making. Considering that manual diagnosis could be error-prone and time-consuming, many…

计算与语言 · 计算机科学 2021-01-28 Yichao Du , Pengfei Luo , Xudong Hong , Tong Xu , Zhe Zhang , Chao Ren , Yi Zheng , Enhong Chen

Attention-based neural networks have achieved state-of-the-art results on a wide range of tasks. Most such models use deterministic attention while stochastic attention is less explored due to the optimization difficulties or complicated…

机器学习 · 计算机科学 2021-06-10 Shujian Zhang , Xinjie Fan , Bo Chen , Mingyuan Zhou

Concept bottleneck models (CBMs), which predict human-interpretable concepts (e.g., nucleus shapes in cell images) before predicting the final output (e.g., cell type), provide insights into the decision-making processes of the model.…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Winnie Pang , Xueyi Ke , Satoshi Tsutsui , Bihan Wen

We consider the problem of inferring the values of an arbitrary set of variables (e.g., risk of diseases) given other observed variables (e.g., symptoms and diagnosed diseases) and high-dimensional signals (e.g., MRI images or EEG). This is…

机器学习 · 统计学 2019-02-07 Hao Wang , Chengzhi Mao , Hao He , Mingmin Zhao , Tommi S. Jaakkola , Dina Katabi

Radiomics analysis has achieved great success in recent years. However, conventional Radiomics analysis suffers from insufficiently expressive hand-crafted features. Recently, emerging deep learning techniques, e.g., convolutional neural…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Jiancheng Yang , Rongyao Fang , Bingbing Ni , Yamin Li , Yi Xu , Linguo Li

In stochastic variational inference, the variational Bayes objective function is optimized using stochastic gradient approximation, where gradients computed on small random subsets of data are used to approximate the true gradient over the…

统计方法学 · 统计学 2015-10-19 Linda S. L. Tan , David J. Nott

Computer-aided diagnosis (CAD) is becoming a prominent approach to assist clinicians spanning across multiple fields. These automated systems take advantage of various computer vision (CV) procedures, as well as artificial intelligence (AI)…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Danilo Avola , Luigi Cinque , Alessio Fagioli , Sebastiano Filetti , Giorgio Grani , Emanuele Rodolà

Conditional belief networks introduce stochastic binary variables in neural networks. Contrary to a classical neural network, a belief network can predict more than the expected value of the output $Y$ given the input $X$. It can predict a…

机器学习 · 计算机科学 2016-05-03 Yann N. Dauphin , David Grangier

Early prediction of in-hospital mortality in critically ill patients can aid clinicians in optimizing treatment. The objective was to develop a multimodal deep learning model, using structured and unstructured clinical data, to predict…

机器学习 · 计算机科学 2025-12-24 Behrooz Mamandipoor , Chun-Nan Hsu , Martin Krause , Ulrich H. Schmidt , Rodney A. Gabriel

We propose a novel framework to classify large-scale time series data with long duration. Long time seriesclassification (L-TSC) is a challenging problem because the dataoften contains a large amount of irrelevant information to…

人工智能 · 计算机科学 2021-11-23 Yuansheng Zhu , Weishi Shi , Deep Shankar Pandey , Yang Liu , Xiaofan Que , Daniel E. Krutz , Qi Yu

The management of hyperglycemia in hospitalized patients has a significant impact on both morbidity and mortality. Therefore, it is important to predict the need for diabetic patients to be hospitalized. However, using standard machine…

人工智能 · 计算机科学 2022-08-02 Shaina Raza

Learned image reconstruction techniques using deep neural networks have recently gained popularity, and have delivered promising empirical results. However, most approaches focus on one single recovery for each observation, and thus neglect…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Chen Zhang , Riccardo Barbano , Bangti Jin

Multi-fidelity models are becoming more prevalent in engineering, particularly in aerospace, as they combine both the computational efficiency of low-fidelity models with the high accuracy of higher-fidelity simulations. Various…

计算工程、金融与科学 · 计算机科学 2024-07-09 Andrea Vaiuso , Gabriele Immordino , Marcello Righi , Andrea Da Ronch

Deep neural networks are often ignorant about what they do not know and overconfident when they make uninformed predictions. Some recent approaches quantify classification uncertainty directly by training the model to output high…

机器学习 · 计算机科学 2020-06-09 Murat Sensoy , Lance Kaplan , Federico Cerutti , Maryam Saleki

We consider sequential decision making problems for binary classification scenario in which the learner takes an active role in repeatedly selecting samples from the action pool and receives the binary label of the selected alternatives.…

机器学习 · 统计学 2015-10-09 Yingfei Wang , Chu Wang , Warren Powell

Health care is one of the most exciting frontiers in data mining and machine learning. Successful adoption of electronic health records (EHRs) created an explosion in digital clinical data available for analysis, but progress in machine…

机器学习 · 统计学 2019-08-13 Hrayr Harutyunyan , Hrant Khachatrian , David C. Kale , Greg Ver Steeg , Aram Galstyan

How can we perform efficient inference and learning in directed probabilistic models, in the presence of continuous latent variables with intractable posterior distributions, and large datasets? We introduce a stochastic variational…

机器学习 · 统计学 2022-12-13 Diederik P Kingma , Max Welling