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To achieve high-levels of autonomy, modern robots require the ability to detect and recover from anomalies and failures with minimal human supervision. Multi-modal sensor signals could provide more information for such anomaly detection…

机器人学 · 计算机科学 2020-12-17 Tianchen Ji , Sri Theja Vuppala , Girish Chowdhary , Katherine Driggs-Campbell

Immune checkpoint inhibitors (ICIs) have transformed cancer treatment, yet patient responses remain highly variable, and the biological mechanisms underlying resistance are poorly understood. While machine learning models hold promise for…

机器学习 · 计算机科学 2025-08-27 Ifrah Tariq , Ernest Fraenkel

In the domain of computer vision, the restoration of missing information in video frames is a critical challenge, particularly in applications such as autonomous driving and surveillance systems. This paper introduces the Siamese Masked…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Yongchen Zhou , Richard Jiang

Estimating causal effects from observational data is challenging, especially in the presence of latent confounders. Much work has been done on addressing this challenge, but most of the existing research ignores the bias introduced by the…

机器学习 · 计算机科学 2024-08-15 Yang Xie , Ziqi Xu , Debo Cheng , Jiuyong Li , Lin Liu , Yinghao Zhang , Zaiwen Feng

Generative models for multimodal data permit the identification of latent factors that may be associated with important determinants of observed data heterogeneity. Common or shared factors could be important for explaining variation across…

机器学习 · 统计学 2024-03-12 Kaspar Märtens , Christopher Yau

The Variational Autoencoder (VAE) is known to suffer from the phenomenon of \textit{posterior collapse}, where the latent representations generated by the model become independent of the inputs. This leads to degenerated representations of…

机器学习 · 计算机科学 2023-09-12 Fotios Lygerakis , Elmar Rueckert

Radiation encephalopathy (REP) is the most common complication for nasopharyngeal carcinoma (NPC) radiotherapy. It is highly desirable to assist clinicians in optimizing the NPC radiotherapy regimen to reduce radiotherapy-induced temporal…

图像与视频处理 · 电气工程与系统科学 2022-06-24 Jiansheng Fang , Anwei Li , Pu-Yun OuYang , Jiajian Li , Jingwen Wang , Hongbo Liu , Fang-Yun Xie , Jiang Liu

Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention. However, applying MAE directly to volumetric medical images poses…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Jia-Xin Zhuang , Luyang Luo , Hao Chen

Building robust medical machine learning systems requires pretraining strategies that exploit the intrinsic structure present in clinical data. We introduce Multiview Masked Autoencoder (MVMAE), a self-supervised framework that leverages…

We investigate deep generative models that can exchange multiple modalities bi-directionally, e.g., generating images from corresponding texts and vice versa. Recently, some studies handle multiple modalities on deep generative models, such…

机器学习 · 统计学 2016-11-08 Masahiro Suzuki , Kotaro Nakayama , Yutaka Matsuo

Variation Autoencoder (VAE) has become a powerful tool in modeling the non-linear generative process of data from a low-dimensional latent space. Recently, several studies have proposed to use VAE for unsupervised clustering by using…

机器学习 · 计算机科学 2021-06-29 Qingyu Zhao , Nicolas Honnorat , Ehsan Adeli , Kilian M. Pohl

The Masked Autoencoder (MAE) has recently demonstrated effectiveness in pre-training Vision Transformers (ViT) for analyzing natural images. By reconstructing complete images from partially masked inputs, the ViT encoder gathers contextual…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Badhan Kumar Das , Gengyan Zhao , Han Liu , Thomas J. Re , Dorin Comaniciu , Eli Gibson , Andreas Maier

While multimodal data integrating diverse imaging and clinical tabular records is crucial for accurate medical diagnosis, the arbitrary absence of specific modalities is prevalent in clinical practice, severely degrading the performance of…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Tianling Liu , Lequan Yu , Tong Han , Liang Wan

Cancer survival prediction requires integrating pathological Whole Slide Images (WSIs) and genomic profiles, a challenging task due to the inherent heterogeneity and the complexity of modeling both inter- and intra-modality interactions.…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Mingxin Liu , Chengfei Cai , Jun Li , Pengbo Xu , Jinze Li , Jiquan Ma , Jun Xu

We propose a novel Conditional Latent space Variational Autoencoder (CL-VAE) to perform improved pre-processing for anomaly detection on data with known inlier classes and unknown outlier classes. This proposed variational autoencoder (VAE)…

机器学习 · 计算机科学 2024-10-17 Oskar Åström , Alexandros Sopasakis

We investigate deep generative models that can exchange multiple modalities bi-directionally, e.g., generating images from corresponding texts and vice versa. A major approach to achieve this objective is to train a model that integrates…

机器学习 · 统计学 2018-01-29 Masahiro Suzuki , Kotaro Nakayama , Yutaka Matsuo

Recent advancements in non-invasive detection of cardiac hemodynamic instability (CHDI) primarily focus on applying machine learning techniques to a single data modality, e.g. cardiac magnetic resonance imaging (MRI). Despite their…

Unsupervised learning can leverage large-scale data sources without the need for annotations. In this context, deep learning-based autoencoders have shown great potential in detecting anomalies in medical images. However, especially…

图像与视频处理 · 电气工程与系统科学 2020-01-03 David Zimmerer , Simon Kohl , Jens Petersen , Fabian Isensee , Klaus Maier-Hein

The acquisition of different data modalities can enhance our knowledge and understanding of various diseases, paving the way for a more personalized healthcare. Thus, medicine is progressively moving towards the generation of massive…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Tiago Mota , M. Rita Verdelho , Alceu Bissoto , Carlos Santiago , Catarina Barata

Labeling of multivariate biomedical time series data is a laborious and expensive process. Self-supervised contrastive learning alleviates the need for large, labeled datasets through pretraining on unlabeled data. However, for multivariate…

机器学习 · 统计学 2023-07-21 Thea Brüsch , Mikkel N. Schmidt , Tommy S. Alstrøm