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Brain positron emission tomography (PET) imaging is broadly used in research and clinical routines to study, diagnose, and stage Alzheimer's disease (AD). However, its potential cannot be fully exploited yet due to the lack of portable…

图像与视频处理 · 电气工程与系统科学 2025-01-16 Eléonore V. Lieffrig , Takuya Toyonaga , Jiazhen Zhang , John A. Onofrey

Patient motion during PET is inevitable. Its long acquisition time not only increases the motion and the associated artifacts but also the patient's discomfort, thus PET acceleration is desirable. However, accelerating PET acquisition will…

图像与视频处理 · 电气工程与系统科学 2023-02-15 Bo Zhou , Yu-Jung Tsai , Jiazhen Zhang , Xueqi Guo , Huidong Xie , Xiongchao Chen , Tianshun Miao , Yihuan Lu , James S. Duncan , Chi Liu

Subject motion in whole-body dynamic PET introduces inter-frame mismatch and seriously impacts parametric imaging. Traditional non-rigid registration methods are generally computationally intense and time-consuming. Deep learning approaches…

图像与视频处理 · 电气工程与系统科学 2022-06-29 Xueqi Guo , Bo Zhou , David Pigg , Bruce Spottiswoode , Michael E. Casey , Chi Liu , Nicha C. Dvornek

Studies of the human brain during natural activities, such as locomotion, would benefit from the ability to image deep brain structures during these activities. While Positron Emission Tomography (PET) can image these structures, the bulk…

机器人学 · 计算机科学 2023-11-30 Junxiang Wang , Iulian I. Iordachita , Peter Kazanzides

Current methods for magnetic resonance-based positron emission tomography attenuation correction (PET-MR AC) are time consuming, and less able than computed tomography (CT)-based AC methods to capture inter-individual variability and skull…

The global prevalence of dementia is projected to double by 2050, highlighting the urgent need for scalable diagnostic tools. This study utilizes digital cognitive tasks with eye-tracking data correlated with memory processes to distinguish…

人机交互 · 计算机科学 2025-08-28 Tomás Silva Santos Rocha , Anastasiia Mikhailova , Moreno I. Coco , José Santos-Victor

Objective The coordination of human movement directly reflects function of the central nervous system. Small deficits in movement are often the first sign of an underlying neurological problem. The objective of this research is to develop a…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Renjie Li , Chun Yu Lao , Rebecca St. George , Katherine Lawler , Saurabh Garg , Son N. Tran , Quan Bai , Jane Alty

Fitness movement recognition, a focused subdomain of human activity recognition (HAR), plays a vital role in health monitoring, rehabilitation, and personalized fitness training by enabling automated exercise classification from video data.…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Shanjid Hasan Nishat , Srabonti Deb , Mohiuddin Ahmed

Head computed tomography (CT) imaging is a widely-used imaging modality with multitudes of medical indications, particularly in assessing pathology of the brain, skull, and cerebrovascular system. It is commonly the first-line imaging in…

To fluently collaborate with people, robots need the ability to recognize human activities accurately. Although modern robots are equipped with various sensors, robust human activity recognition (HAR) still remains a challenging task for…

机器人学 · 计算机科学 2020-08-17 Md Mofijul Islam , Tariq Iqbal

Effectively measuring the similarity between two human motions is necessary for several computer vision tasks such as gait analysis, person identi- fication and action retrieval. Nevertheless, we believe that traditional approaches such as…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Huseyin Coskun , David Joseph Tan , Sailesh Conjeti , Nassir Navab , Federico Tombari

Modern large language models become multimodal, analyzing various data formats like text and images. While fine-tuning is effective for adapting these multimodal language models (MLMs) to downstream tasks, full fine-tuning is…

计算与语言 · 计算机科学 2025-12-01 Alexander Sergeev , Evgeny Kotelnikov

Hyperdimensional Computing (HDC) is emerging as a promising approach for edge AI, offering a balance between accuracy and efficiency. However, current HDC-based applications often rely on high-precision models and/or encoding matrices to…

机器学习 · 计算机科学 2025-05-09 Nilesh Prasad Pandey , Shriniwas Kulkarni , David Wang , Onat Gungor , Flavio Ponzina , Tajana Rosing

Head Non-contrast computed tomography (NCCT) scan remain the preferred primary imaging modality due to their widespread availability and speed. However, the current standard for manual annotations of abnormal brain tissue on head NCCT scans…

图像与视频处理 · 电气工程与系统科学 2023-07-11 Arunkumar Govindarajan , Arjun Agarwal , Subhankar Chattoraj , Dennis Robert , Satish Golla , Ujjwal Upadhyay , Swetha Tanamala , Aarthi Govindarajan

Purpose To develop and evaluate a deep learning-based method (MC-Net) to suppress motion artifacts in brain magnetic resonance imaging (MRI). Methods MC-Net was derived from a UNet combined with a two-stage multi-loss function. T1-weighted…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Lei Zhang , Xiaoke Wang , Michael Rawson , Radu Balan , Edward H. Herskovits , Elias Melhem , Linda Chang , Ze Wang , Thomas Ernst

Positron Emission Tomography (PET) enables functional imaging of deep brain structures, but the bulk and weight of current systems preclude their use during many natural human activities, such as locomotion. The proposed long-term solution…

机器人学 · 计算机科学 2023-12-07 Junxiang Wang , Ti Wu , Iulian I. Iordachita , Peter Kazanzides

Background. Subdural hematoma (SDH) is a common neurosurgical emergency, with increasing incidence in aging populations. Rapid and accurate identification is essential to guide timely intervention, yet existing automated tools focus…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Vasiliki Stoumpou , Rohan Kumar , Bernard Burman , Diego Ojeda , Tapan Mehta , Dimitris Bertsimas

Manual estimation of fetal Head Circumference (HC) from Ultrasound (US) is a key biometric for monitoring the healthy development of fetuses. Unfortunately, such measurements are subject to large inter-observer variability, resulting in low…

图像与视频处理 · 电气工程与系统科学 2019-08-08 Samuel Budd , Matthew Sinclair , Bishesh Khanal , Jacqueline Matthew , David Lloyd , Alberto Gomez , Nicolas Toussaint , Emma Robinson , Bernhard Kainz

Motion-related artifacts are inevitable in Magnetic Resonance Imaging (MRI) and can bias automated neuroanatomical metrics such as cortical thickness. These biases can interfere with statistical analysis which is a major concern as motion…

图像与视频处理 · 电气工程与系统科学 2025-06-11 Charles Bricout , Samira Ebrahimi Kahou , Sylvain Bouix

Early prediction of cerebral palsy is essential as it leads to early treatment and monitoring. Deep learning has shown promising results in biomedical engineering thanks to its capacity of modelling complicated data with its non-linear…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Manli Zhu , Qianhui Men , Edmond S. L. Ho , Howard Leung , Hubert P. H. Shum
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