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Electroencephalography (EEG) is essential for the diagnosis of epilepsy, but it requires expertise and experience to identify abnormalities. It is thus crucial to develop automated models for the detection of abnormalities in EEGs related…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Taku Shoji , Noboru Yoshida , Toshihisa Tanaka

As PET imaging is accompanied by substantial radiation exposure and cancer risk, reducing radiation dose in PET scans is an important topic. Recently, diffusion models have emerged as the new state-of-the-art generative model to generate…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Huidong Xie , Weijie Gan , Bo Zhou , Xiongchao Chen , Qiong Liu , Xueqi Guo , Liang Guo , Hongyu An , Ulugbek S. Kamilov , Ge Wang , Chi Liu

A variety of screening approaches have been proposed to diagnose epileptic seizures, using electroencephalography (EEG) and magnetic resonance imaging (MRI) modalities. Artificial intelligence encompasses a variety of areas, and one of its…

Computed tomography (CT) serves as an effective tool for lung cancer screening, diagnosis, treatment, and prognosis, providing a rich source of features to quantify temporal and spatial tumor changes. Nonetheless, the diversity of CT…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Md Selim , Jie Zhang , Faraneh Fathi , Michael A. Brooks , Ge Wang , Guoqiang Yu , Jin Chen

Medical imaging datasets are inherently high dimensional with large variability and low sample sizes that limit the effectiveness of deep learning algorithms. Recently, generative adversarial networks (GANs) with the ability to synthesize…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Apoorva Sikka , Skand Peri , Jitender Singh Virk , Usma Niyaz , Deepti R. Bathula

Pose-Guided Person Image Synthesis (PGPIS) aims to generate human images in specified poses while preserving the identity and appearance of a source image. This technology facilitates diverse applications, including virtual try-on, digital…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Donghwna Lee , Kirok Kim , Jisu Lee , Kyungha Min , Wooju Kim

Photoplethysmography (PPG) is a cost-effective and non-invasive technique that utilizes optical methods to measure cardiac physiology. PPG has become increasingly popular in health monitoring and is used in various commercial and clinical…

Machine Learning · Computer Science 2024-06-13 Khuong Vo , Mostafa El-Khamy , Yoojin Choi

Timely diagnosis is important for saving the life of epileptic patients. In past few years, a lot of treatments are available for epilepsy. These treatments require use of anti-seizure drugs but are not effective in controlling frequency of…

Machine Learning · Computer Science 2021-11-08 Shivam Gupta , Jyoti Meena , O. P Gupta

Accurate kinetic analysis of [$^{18}$F]FDG distribution in dynamic positron emission tomography (PET) requires anatomically constrained modelling of image-derived input functions (IDIFs). Traditionally, IDIFs are obtained from the aorta,…

Image and Video Processing · Electrical Eng. & Systems 2025-04-25 Valentin Langer , Kartikay Tehlan , Thomas Wendler

Positron Emission Tomography (PET) imaging requires accurate attenuation correction (AC) to account for photon loss due to tissue density variations. In PET/MR systems, computed tomography (CT), which offers a straightforward estimation of…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Weijie Chen , James Wang , Alan McMillan

In this paper, we review physics- and data-driven reconstruction techniques for simultaneous positron emission tomography (PET) / magnetic resonance imaging (MRI) systems, which have significant advantages for clinical imaging of cancer,…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Abhejit Rajagopal , Andrew P. Leynes , Nicholas Dwork , Jessica E. Scholey , Thomas A. Hope , Peder E. Z. Larson

Epilepsy significantly impacts global health, affecting about 65 million people worldwide, along with various animal species. The diagnostic processes of epilepsy are often hindered by the transient and unpredictable nature of seizures.…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Z. Wang , S. Li , Dongrui Wu

Due to various physical degradation factors and limited counts received, PET image quality needs further improvements. The denoising diffusion probabilistic models (DDPM) are distribution learning-based models, which try to transform a…

Image and Video Processing · Electrical Eng. & Systems 2022-09-15 Kuang Gong , Keith A. Johnson , Georges El Fakhri , Quanzheng Li , Tinsu Pan

This contribution reports an application of MultiFractal Detrended Fluctuation Analysis, MFDFA based novel feature extraction technique for automated detection of epilepsy. In fractal geometry, Multifractal Detrended Fluctuation Analysis…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 S Pratiher , S Chatterjee , R Bose

Positron range (PR) limits spatial resolution and quantitative accuracy in PET imaging, particularly for high-energy positron-emitting radionuclides like 68Ga. We propose a deep learning method using 3D residual encoder-decoder…

Recent advances in self-supervised learning for EEG representation have largely relied on masked reconstruction, where models are trained to recover randomly masked signal segments. While effective at modeling local dependencies, such…

Machine Learning · Computer Science 2026-04-17 Shaocong Wang , Tong Liu , Yihan Li , Ming Li , Kairui Wen , Pei Yang , Wenqi Ji , Minjing Yu , Yong-Jin Liu

Peptide receptor radionuclide therapy (PRRT) is an established treatment for metastatic neuroendocrine tumors (NETs), yet long-term disease control occurs only in a subset of patients. Predicting progression-free survival (PFS) could…

Tau positron emission tomography (tau-PET) is an important in vivo biomarker of Alzheimer's disease, but its cost, limited availability, and acquisition burden restrict broad clinical use. This work proposes an interpretable multimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Agamdeep S. Chopra , Caitlin Neher , Tianyi Ren , Juampablo E. Heras Rivera , Hesam Jahanian , Mehmet Kurt

Positron Emission Tomography using 2-[18F]-2deoxy-D-glucose as radiotracer (FDG-PET) is currently one of the most frequently applied functional imaging methods in clinical applications. The interpretation of FDG-PET data requires…

Tissues and Organs · Quantitative Biology 2020-01-22 Michele Piana , Giacomo Caviglia , Sara Sommariva

Tumor lesion segmentation is one of the most important tasks in medical image analysis. In clinical practice, Fluorodeoxyglucose Positron-Emission Tomography~(FDG-PET) is a widely used technique to identify and quantify metabolically active…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Jin Ye , Haoyu Wang , Ziyan Huang , Zhongying Deng , Yanzhou Su , Can Tu , Qian Wu , Yuncheng Yang , Meng Wei , Jingqi Niu , Junjun He