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Related papers: Super Resolution of Arterial Spin Labeling MR Imag…

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Arterial spin labeling (ASL) allows to quantify the cerebral blood flow (CBF) by magnetic labeling of the arterial blood water. ASL is increasingly used in clinical studies due to its noninvasiveness, repeatability and benefits in…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Cagdas Ulas , Giles Tetteh , Stephan Kaczmarz , Christine Preibisch , Bjoern H. Menze

Arterial spin labeling perfusion MRI is a noninvasive technique for measuring quantitative cerebral blood flow (CBF), but the measurement is subject to a low signal-to-noise-ratio(SNR). Various post-processing methods have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2018-01-31 Danfeng Xie , Li Bai , Ze Wang

Purpose: Arterial Spin Labeling (ASL) is a quantitative, non-invasive alternative to perfusion imaging with contrast agents. Fixing values of certain model parameters in traditional ASL, which actually vary from region to region, may…

Image and Video Processing · Electrical Eng. & Systems 2019-05-17 Anish Lahiri , Jeffrey A Fessler , Luis Hernandez-Garcia

Arterial spin labeling (ASL) perfusion MRI provides a non-invasive way to quantify cerebral blood flow (CBF) but it still suffers from a low signal-to-noise-ratio (SNR). Using deep machine learning (DL), several groups have shown…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Danfeng Xie , Yiran Li , Hanlu Yang , Li Bai , Lei Zhang , Ze Wang

Multi-Delay single-shot arterial spin labeling (ASL) imaging provides accurate cerebral blood flow (CBF) and, in addition, arterial transit time (ATT) maps but the inherent low SNR can be challenging. Especially standard fitting using…

Arterial Spin Labelling (ASL) functional Magnetic Resonance Imaging (fMRI) data provides a quantitative measure of blood perfusion, that can be correlated to neuronal activation. In contrast to BOLD measure, it is a direct measure of…

Applications · Statistics 2015-01-07 Aina Frau-Pascual , Thomas Vincent , Jennifer Sloboda , Philippe CIUCIU , Florence Forbes

High-resolution (HR) magnetic resonance images (MRI) provide detailed anatomical information important for clinical application and quantitative image analysis. However, HR MRI conventionally comes at the cost of longer scan time, smaller…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Yuhua Chen , Feng Shi , Anthony G. Christodoulou , Zhengwei Zhou , Yibin Xie , Debiao Li

Recent attempts at Super-Resolution for medical images used deep learning techniques such as Generative Adversarial Networks (GANs) to achieve perceptually realistic single image Super-Resolution. Yet, they are constrained by their…

Image and Video Processing · Electrical Eng. & Systems 2020-06-05 Chuan Tan , Jin Zhu , Pietro Lio'

Arterial spin labeling (ASL) perfusion MRI allows direct quantification of regional cerebral blood flow (CBF) without exogenous contrast, enabling noninvasive measurements that can be repeated without constraints imposed by contrast…

Single image super-resolution (SISR) is of great importance as a low-level computer vision task. The fast development of Generative Adversarial Network (GAN) based deep learning architectures realises an efficient and effective SISR to…

Image and Video Processing · Electrical Eng. & Systems 2019-01-14 Jin Zhu , Guang Yang , Pietro Lio

Super-resolution (SR) for image enhancement has great importance in medical image applications. Broadly speaking, there are two types of SR, one requires multiple low resolution (LR) images from different views of the same object to be…

Image and Video Processing · Electrical Eng. & Systems 2018-10-17 Jin Zhu , Guang Yang , Pietro Lio

Positron Emission Tomography (PET) is an imaging method that can assess physiological function rather than structural disturbances by measuring cerebral perfusion or glucose consumption. However, this imaging technique relies on injection…

Image and Video Processing · Electrical Eng. & Systems 2021-03-10 Sahar Yousefi , Hessam Sokooti , Wouter M. Teeuwisse , Dennis F. R. Heijtel , Aart J. Nederveen , Marius Staring , Matthias J. P. van Osch

In this work we propose an adversarial learning approach to generate high resolution MRI scans from low resolution images. The architecture, based on the SRGAN model, adopts 3D convolutions to exploit volumetric information. For the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Irina Sanchez , Veronica Vilaplana

Acquiring High Resolution (HR) Magnetic Resonance (MR) images requires the patient to remain still for long periods of time, which causes patient discomfort and increases the probability of motion induced image artifacts. A possible…

Image and Video Processing · Electrical Eng. & Systems 2019-12-23 Rewa Sood , Binit Topiwala , Karthik Choutagunta , Rohit Sood , Mirabela Rusu

Capturing high-resolution magnetic resonance (MR) images is a time consuming process, which makes it unsuitable for medical emergencies and pediatric patients. Low-resolution MR imaging, by contrast, is faster than its high-resolution…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Sahar Almahfouz Nasser , Saqib Shamsi , Valay Bundele , Bhavesh Garg , Amit Sethi

Single image super-resolution (SISR) reconstruction for magnetic resonance imaging (MRI) has generated significant interest because of its potential to not only speed up imaging but to improve quantitative processing and analysis of…

Image and Video Processing · Electrical Eng. & Systems 2019-07-17 Jiancong Wang , Yuhua Chen , Yifan Wu , Jianbo Shi , James Gee

Single Image Super Resolution (SISR) is the task of producing a high resolution (HR) image from a given low-resolution (LR) image. It is a well researched problem with extensive commercial applications such as digital camera, video…

Multimedia · Computer Science 2019-03-29 Jingwei Guan , Cheng Pan , Songnan Li , Dahai Yu

High-resolution magnetic resonance images can provide fine-grained anatomical information, but acquiring such data requires a long scanning time. In this paper, a framework called the Fused Attentive Generative Adversarial Networks(FA-GAN)…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Mingfeng Jiang , Minghao Zhi , Liying Wei , Xiaocheng Yang , Jucheng Zhang , Yongming Li , Pin Wang , Jiahao Huang , Guang Yang

Spatial resolution of medical images can be improved using super-resolution methods. Real Enhanced Super Resolution Generative Adversarial Network (Real-ESRGAN) is one of the recent effective approaches utilized to produce higher resolution…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Shawkh Ibne Rashid , Elham Shakibapour , Mehran Ebrahimi

We combine generative adversarial network (GAN) with light microscopy to achieve deep learning super-resolution under a large field of view (FOV). By appropriately adopting prior microscopy data in an adversarial training, the neural…

Image and Video Processing · Electrical Eng. & Systems 2018-10-04 Hao Zhang , Xinlin Xie , Chunyu Fang , Yicong Yang , Di Jin , Peng Fei
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