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Free Point Transformer (FPT) has been proposed as a data-driven, non-rigid point set registration approach using deep neural networks. As FPT does not assume constraints based on point vicinity or correspondence, it may be trained simply…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Zachary MC Baum , Tamas Ungi , Christopher Schlenger , Yipeng Hu , Dean C Barratt

We present a method to discover interesting brain regions in [18F] fluorodeoxyglucose positron emission tomography (PET) scans, showing also the benefits when PET scans are in combined use with non-imaging variables. The discriminative…

神经元与认知 · 定量生物学 2019-08-14 Rui Li , Robert Perneczky , Alexander Drzezga , Stefan Kramer

Photoplethysmography (PPG) sensor in wearable and clinical devices provides valuable physiological insights in a non-invasive and real-time fashion. Specialized Foundation Models (FM) or repurposed time-series FMs are used to benchmark…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Saurabh Kataria , Ayca Ermis , Lovely Yeswanth Panchumarthi , Minxiao Wang , Xiao Hu

The use of vision transformers (ViT) in computer vision is increasing due to limited inductive biases (e.g., locality, weight sharing, etc.) and increased scalability compared to other deep learning methods. This has led to some initial…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Steven A. Grosz , Anil K. Jain

Deep learning has delivered its powerfulness in many application domains, especially in image and speech recognition. As the backbone of deep learning, deep neural networks (DNNs) consist of multiple layers of various types with hundreds to…

机器学习 · 计算机科学 2017-12-14 Sheng Lin , Ning Liu , Mahdi Nazemi , Hongjia Li , Caiwen Ding , Yanzhi Wang , Massoud Pedram

Network analysis of human brain connectivity indicates that individual differences in cognitive abilities arise from neurobiological mechanisms inherent in structural and functional brain networks. Existing studies routinely treat…

神经元与认知 · 定量生物学 2025-09-23 Xiaoqi Sheng , Jiawen Liu , Jiaming Liang , Yiheng Zhang , Hongmin Cai

Kinetic modeling enables \textit{in vivo} quantification of tracer uptake and glucose metabolism in [${}^{18}$F]Fluorodeoxyglucose ([${}^{18}$F]FDG) dynamic positron emission tomography (dPET) imaging of mice. However, kinetic modeling…

定量方法 · 定量生物学 2025-10-27 Christian Salomonsen , Kristoffer K. Wickstrøm , Samuel Kuttner , Elisabeth Wetzer

Hyperion-IID is a positron emission tomography (PET) insert which allows simultaneous operation in a clinical magnetic resonance imaging (MRI) scanner. To read out the scintillation light of the employed LYSO crystal arrays with a pitch of…

Cases of diabetes and related diabetic retinopathy (DR) have been increasing at an alarming rate in modern times. Early detection of DR is an important problem since it may cause permanent blindness in the late stages. In the last two…

图像与视频处理 · 电气工程与系统科学 2021-05-31 Burcu Oltu , Büşra Kübra Karaca , Hamit Erdem , Atilla Özgür

Objectives: Many existing techniques for the non-invasive quantification of the blood input function in dynamic FDG-PET imaging require strong historical information or user input. The technique proposed in this work utilizes the assumption…

医学物理 · 物理学 2025-03-25 William Terrell , Mark Muzi , Bijoy Kundu

Recent studies suggest that combined analysis of Magnetic resonance imaging~(MRI) that measures brain atrophy and positron emission tomography~(PET) that quantifies hypo-metabolism provides improved accuracy in diagnosing Alzheimer's…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Apoorva Sikka , Skand Vishwanath Peri , Deepti. R. Bathula

Alzheimer's disease (AD) is the most common cause of dementia. An early detection is crucial for slowing down the disease and mitigating risks related to the progression. While the combination of MRI and FDG-PET is the best image-based tool…

图像与视频处理 · 电气工程与系统科学 2022-06-17 Marcel Kollovieh , Matthias Keicher , Stephan Wunderlich , Hendrik Burwinkel , Thomas Wendler , Nassir Navab

Division-of-focal-plane (DoFP) polarization imaging technical recently has been applied in many fields. However, the images captured by such sensors cannot be used directly because they suffer from instantaneous field-of-view errors and low…

图像与视频处理 · 电气工程与系统科学 2021-10-27 Rongyuan Wu , Yongqiang Zhao , Ning Li , Seong G. Kong

Accurate tissue point tracking in endoscopic videos is critical for robotic-assisted surgical navigation and scene understanding, but remains challenging due to complex deformations, instrument occlusion, and the scarcity of dense…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Rulin Zhou , Wenlong He , An Wang , Qiqi Yao , Haijun Hu , Jiankun Wang , Xi Zhang an Hongliang Ren

Convolutional Neural Networks are extensively used in a wide range of applications, commonly including computer vision tasks like image and video classification, recognition, and segmentation. Recent research results demonstrate that…

信号处理 · 电气工程与系统科学 2020-05-11 Marco Carreras , Gianfranco Deriu , Luigi Raffo , Luca Benini , Paolo Meloni

Diagnosing dementia, particularly for Alzheimer's Disease (AD) and frontotemporal dementia (FTD), is complex due to overlapping symptoms. While magnetic resonance imaging (MRI) and positron emission tomography (PET) data are critical for…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Yitong Li , Morteza Ghahremani , Youssef Wally , Christian Wachinger

Few-shot document-level relation extraction suffers from poor performance due to the challenging cross-domain transferability of NOTA (none-of-the-above) relation representation. In this paper, we introduce a Transferable Proto-Learning…

计算与语言 · 计算机科学 2024-10-02 Yu Zhang , Zhao Kang

The purpose of this study was to show how advanced concepts of compact, lossless and "Time Of Flight" (TOF) capable electronics similar to those foreseen for the LHC and ILC experiments could be fairly and easily transferred to the medical…

仪器与探测器 · 物理学 2009-08-03 P. -E. Vert , J. Lecoq , G. Montarou , N. Pauna , B. Joly , M. Boutemeur , H. Mathez , R. Gaglione , P. Le Dû

Synthesizing medical images, such as PET, is a challenging task due to the fact that the intensity range is much wider and denser than those in photographs and digital renderings and are often heavily biased toward zero. Above all,…

In the field of image-based drug discovery, capturing the phenotypic response of cells to various drug treatments and perturbations is a crucial step. However, existing methods require computationally extensive and complex multi-step…