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Positron emission tomography (PET) is a well-established functional imaging technique for diagnosing brain disorders. However, PET's high costs and radiation exposure limit its widespread use. In contrast, magnetic resonance imaging (MRI)…

图像与视频处理 · 电气工程与系统科学 2024-10-24 Yitong Li , Igor Yakushev , Dennis M. Hedderich , Christian Wachinger

AI-assisted imaging made substantial advances in tumor diagnosis and management. However, a major barrier to developing robust oncology foundation models is the scarcity of large-scale, high-quality annotated datasets, which are limited by…

Beta-amyloid positron emission tomography (A$\beta$-PET) imaging has become a critical tool in Alzheimer's disease (AD) research and diagnosis, providing insights into the pathological accumulation of amyloid plaques, one of the hallmarks…

图像与视频处理 · 电气工程与系统科学 2024-10-02 Qing Lyu , Jin Young Kim , Jeongchul Kim , Christopher T Whitlow

Positron Emission Tomography (PET) and Computed Tomography (CT) are essential for diagnosing, staging, and monitoring various diseases, particularly cancer. Despite their importance, the use of PET/CT systems is limited by the necessity for…

图像与视频处理 · 电气工程与系统科学 2024-10-30 Dac Thai Nguyen , Trung Thanh Nguyen , Huu Tien Nguyen , Thanh Trung Nguyen , Huy Hieu Pham , Thanh Hung Nguyen , Thao Nguyen Truong , Phi Le Nguyen

Accurate quantification of tau pathology via tau positron emission tomography (PET) scan is crucial for diagnosing and monitoring Alzheimer's disease (AD). However, the high cost and limited availability of tau PET restrict its widespread…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Yuxin Gong , Se-in Jang , Wei Shao , Yi Su , Kuang Gong

While Positron emission tomography (PET) imaging has been widely used in diagnosis of number of diseases, it has costly acquisition process which involves radiation exposure to patients. However, magnetic resonance imaging (MRI) is a safer…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Hajar Emami , Qiong Liu , Ming Dong

Positron emission tomography (PET) with 18F-Fluorodeoxyglucose (FDG) is an established tool in the diagnostic workup of patients with suspected dementing disorders. However, compared to the routinely available magnetic resonance imaging…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Yitong Li , Ralph Buchert , Benita Schmitz-Koep , Timo Grimmer , Björn Ommer , Dennis M. Hedderich , Igor Yakushev , Christian Wachinger

Positron emission tomography (PET) is an advanced medical imaging technique that plays a crucial role in non-invasive clinical diagnosis. However, while reducing radiation exposure through low-dose PET scans is beneficial for patient…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Bin Huang , Xubiao Liu , Lei Fang , Qiegen Liu , Bingxuan Li

Positron Emission Tomography and Magnetic Resonance Imaging (PET-MRI) systems can obtain functional and anatomical scans. PET suffers from a low signal-to-noise ratio. Meanwhile, the k-space data acquisition process in MRI is…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Taofeng Xie , Zhuo-Xu Cui , Chen Luo , Huayu Wang , Congcong Liu , Yuanzhi Zhang , Xuemei Wang , Yanjie Zhu , Guoqing Chen , Dong Liang , Qiyu Jin , Yihang Zhou , Haifeng Wang

Positron emission tomography (PET) provides molecular biomarkers for Alzheimer's disease and related dementias (ADRD) and is increasingly used for diagnosis, staging, and clinical trial enrichment. However, its use is limited by cost,…

图像与视频处理 · 电气工程与系统科学 2026-04-16 Junho Moon , Symac Kim , Haejun Chung , Ikbeom Jang

The biological definition of Alzheimer's disease (AD) relies on multi-modal neuroimaging, yet the clinical utility of positron emission tomography (PET) is limited by cost and radiation exposure, hindering early screening at preclinical or…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Tuo Liu , Shuijin Lin , Shaozhen Yan , Haifeng Wang , Jie Lu , Jianhua Ma , Chunfeng Lian

Positron Emission Tomography (PET) is an important clinical imaging tool but inevitably introduces radiation hazards to patients and healthcare providers. Reducing the tracer injection dose and eliminating the CT acquisition for attenuation…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Tianqi Chen , Jun Hou , Yinchi Zhou , Huidong Xie , Xiongchao Chen , Qiong Liu , Xueqi Guo , Menghua Xia , James S. Duncan , Chi Liu , Bo Zhou

Multi-tracer positron emission tomography (PET) provides critical insights into diverse neuropathological processes such as tau accumulation, neuroinflammation, and $\beta$-amyloid deposition in the brain, making it indispensable for…

图像与视频处理 · 电气工程与系统科学 2026-02-26 Minhui Yu , Yongheng Sun , David S. Lalush , Jason P Mihalik , Pew-Thian Yap , Mingxia Liu

Positron Emission Tomography (PET) is a functional imaging modality that enables the visualization of biochemical and physiological processes across various tissues. Recently, deep learning (DL)-based methods have demonstrated significant…

图像与视频处理 · 电气工程与系统科学 2026-01-16 Yiran Sun , Osama Mawlawi

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…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Apoorva Sikka , Skand Peri , Jitender Singh Virk , Usma Niyaz , Deepti R. Bathula

Cerebrovascular disease often requires multiple imaging modalities for accurate diagnosis, treatment, and monitoring. Computed Tomography Angiography (CTA) and Time-of-Flight Magnetic Resonance Angiography (TOF-MRA) are two common…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Alexander Koch , Orhun Utku Aydin , Adam Hilbert , Jana Rieger , Satoru Tanioka , Fujimaro Ishida , Dietmar Frey

Positron emission tomography (PET) scans expose patients to radiation, which can be mitigated by reducing the dose, albeit at the cost of diminished quality. This makes low-dose (LD) PET recovery an active research area. Previous studies…

图像与视频处理 · 电气工程与系统科学 2026-03-11 Ghulam Nabi Ahmad Hassan Yar , Himashi Peiris , Victoria Mar , Cameron Dennis Pain , Zhaolin Chen

Magnetic resonance imaging (MRI), especially functional MRI (fMRI) and diffusion MRI (dMRI), is essential for studying neurodegenerative diseases. However, missing modalities pose a major barrier to their clinical use. Although GAN- and…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Xiongri Shen , Jiaqi Wang , Yi Zhong , Zhenxi Song , Leilei Zhao , Yichen Wei , Lingyan Liang , Shuqiang Wang , Baiying Lei , Demao Deng , Zhiguo Zhang

Motivation: Alzheimer's Disease hallmarks include amyloid-beta deposits and brain atrophy, detectable via PET and MRI scans, respectively. PET is expensive, invasive and exposes patients to ionizing radiation. MRI is cheaper, non-invasive,…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Fernando Vega , Abdoljalil Addeh , M. Ethan MacDonald

MRI and PET are crucial diagnostic tools for brain diseases, as they provide complementary information on brain structure and function. However, PET scanning is costly and involves radioactive exposure, resulting in a lack of PET. Moreover,…

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