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Disentangling pathological changes from physiological aging in 3D medical shapes is crucial for developing interpretable biomarkers and patient stratification. However, this separation is challenging when diagnosis labels are limited or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Jakaria Rabbi , Nilanjan Ray , Dana Cobzas

Deep learning has shown significant potential in diagnosing neurodegenerative diseases from MRI data. However, most existing methods rely heavily on large volumes of labeled data and often yield representations that lack interpretability.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Fangqi Cheng , Yingying Zhao , Xiaochen Yang

We propose a fully unsupervised multi-modal deformable image registration method (UMDIR), which does not require any ground truth deformation fields or any aligned multi-modal image pairs during training. Multi-modal registration is a key…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Chen Qin , Bibo Shi , Rui Liao , Tommaso Mansi , Daniel Rueckert , Ali Kamen

Current deep neural network based approaches to computed tomography (CT) metal artifact reduction (MAR) are supervised methods which rely heavily on synthesized data for training. However, as synthesized data may not perfectly simulate the…

Image and Video Processing · Electrical Eng. & Systems 2019-12-02 Haofu Liao , Wei-An Lin , Jianbo Yuan , S. Kevin Zhou , Jiebo Luo

Dynamic Text-Attributed Graphs (DyTAGs) are a novel graph paradigm that captures evolving temporal events (edges) alongside rich textual attributes. Existing studies can be broadly categorized into TGNN-driven and LLM-driven approaches,…

Machine Learning · Computer Science 2025-08-04 Yuanyuan Xu , Wenjie Zhang , Ying Zhang , Xuemin Lin , Xiwei Xu

Accurate liver and tumor segmentation on abdominal CT images is critical for reliable diagnosis and treatment planning, but remains challenging due to complex anatomical structures, variability in tumor appearance, and limited annotated…

Image and Video Processing · Electrical Eng. & Systems 2026-01-21 Arefin Ittesafun Abian , Ripon Kumar Debnath , Md. Abdur Rahman , Mohaimenul Azam Khan Raiaan , Md Rafiqul Islam , Asif Karim , Reem E. Mohamed , Sami Azam

We introduce a weakly supervised method for representation learning based on aligning temporal sequences (e.g., videos) of the same process (e.g., human action). The main idea is to use the global temporal ordering of latent correspondences…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Isma Hadji , Konstantinos G. Derpanis , Allan D. Jepson

We propose a new formulation of temporal action detection (TAD) with denoising diffusion, DiffTAD in short. Taking as input random temporal proposals, it can yield action proposals accurately given an untrimmed long video. This presents a…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Sauradip Nag , Xiatian Zhu , Jiankang Deng , Yi-Zhe Song , Tao Xiang

Temporal action detection (TAD) aims to determine the semantic label and the temporal interval of every action instance in an untrimmed video. It is a fundamental and challenging task in video understanding. Previous methods tackle this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Xiaolong Liu , Qimeng Wang , Yao Hu , Xu Tang , Shiwei Zhang , Song Bai , Xiang Bai

Finding an appropriate representation of dynamic activities in the brain is crucial for many downstream applications. Due to its highly dynamic nature, temporally averaged fMRI (functional magnetic resonance imaging) can only provide a…

Machine Learning · Computer Science 2022-08-18 Sikun Lin , Shuyun Tang , Scott Grafton , Ambuj Singh

Diffusion models have advanced unsupervised anomaly detection by improving the transformation of pathological images into pseudo-healthy equivalents. Nonetheless, standard approaches may compromise critical information during pathology…

Image and Video Processing · Electrical Eng. & Systems 2024-03-14 Cosmin I. Bercea , Benedikt Wiestler , Daniel Rueckert , Julia A. Schnabel

Accurate interpretation of electrocardiogram (ECG) signals is crucial for diagnosing cardiovascular diseases. Recent multimodal approaches that integrate ECGs with accompanying clinical reports show strong potential, but they still face two…

Artificial Intelligence · Computer Science 2026-02-25 Ziwei Niu , Hao Sun , Shujun Bian , Xihong Yang , Lanfen Lin , Yuxin Liu , Yueming Jin

Pancreas segmentation in medical image processing is a persistent challenge due to its small size, low contrast against adjacent tissues, and significant topological variations. Traditional level set methods drive boundary evolution using…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yue Gou , Fanghui Song , Yuming Xing , Shengzhu Shi , Zhichang Guo , Boying Wu

The problem of missing modalities is both critical and non-trivial to be handled in multi-modal models. It is common for multi-modal tasks that certain modalities contribute more compared to other modalities, and if those important…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Hu Wang , Congbo Ma , Jianpeng Zhang , Yuan Zhang , Jodie Avery , Louise Hull , Gustavo Carneiro

Time series anomaly detection plays a critical role in many dynamic systems. Despite its importance, previous approaches have primarily relied on unimodal numerical data, overlooking the importance of complementary information from other…

Machine Learning · Computer Science 2026-03-24 Shiyan Hu , Jianxin Jin , Yang Shu , Peng Chen , Bin Yang , Chenjuan Guo

Estimating the causal effect of time-varying treatments on survival outcomes is a challenging task in many domains, particularly in medicine where treatment protocols adapt over time. While recent advances in representation learning have…

Machine Learning · Statistics 2025-05-06 Ayoub Abraich

Deep learning methods have shown promising performance in fault diagnosis for multimode process. Most existing studies assume that the collected health state categories from different operating modes are identical. However, in real…

Machine Learning · Computer Science 2025-10-30 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Recently, various deep learning methods have shown significant successes in medical image analysis, especially in the detection of cancer metastases in hematoxylin and eosin (H&E) stained whole-slide images (WSIs). However, in order to…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Yinsheng He , Xingyu Li

Multivariate time series anomaly detection (MTSAD) aims to accurately identify and localize complex abnormal patterns in the large-scale industrial control systems. While existing approaches excel in recognizing the distinct patterns under…

Machine Learning · Computer Science 2025-12-17 Xuechun Liu , Heli Sun , Xuecheng Wu , Ruichen Cao , Yunyun Shi , Dingkang Yang , Haoran Li

PET imaging is widely employed for observing biological metabolic activities within the human body. However, numerous benign conditions can cause increased uptake of radiopharmaceuticals, confounding differentiation from malignant tumors.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Ran Hong , Yuxia Huang , Lei Liu , Zhonghui Wu , Bingxuan Li , Xuemei Wang , Qiegen Liu