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Purpose: To develop a model-based deep neural network for high-quality image reconstruction of undersampled multi-coil chemical exchange saturation transfer (CEST) data. Theory and Methods: Inspired by the variational network, the CEST…

Medical Physics · Physics 2023-05-26 Jianping Xu , Tao Zu , Yi-Cheng Hsu , Xiaoli Wang , Kannie W. Y. Chan , Yi Zhang

Chemical Exchange Saturation Transfer (CEST) Magnetic Resonance Imaging (MRI) is a molecular imaging methodology capable of mapping brain metabolites with relatively high spatial resolution. Specificity is the main goal of such experiments;…

Medical Physics · Physics 2020-01-24 Frederico Severo , Noam Shemesh

The onset of rheumatic diseases such as rheumatoid arthritis is typically subclinical, which results in challenging early detection of the disease. However, characteristic changes in the anatomy can be detected using imaging techniques such…

Chemical Exchange Saturation Transfer (CEST) MRI demonstrates its capability in significantly enhancing the detection of proteins and metabolites with low concentrations through exchangeable protons. The clinical application of CEST,…

Image and Video Processing · Electrical Eng. & Systems 2024-07-10 Chu Chen , Yang Liu , Se Weon Park , Jizhou Li , Kannie W. Y. Chan , Raymond H. F. Chan

Chemical Exchange Saturation Transfer (CEST) MRI enables molecular-level visualization of low-concentration metabolites by leveraging proton exchange dynamics. However, its clinical translation is hindered by inherent challenges: spatially…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Chu Chen , Aitor Artola , Yang Liu , Se Weon Park , Raymond H. Chan , Jean-Michel Morel , Kannie W. Y. Chan

Model-driven analysis of biophysical phenomena is gaining increased attention and utility for medical imaging applications. In magnetic resonance imaging (MRI), the availability of well-established models for describing the relations…

Medical Physics · Physics 2023-10-31 Dinor Nagar , Nikita Vladimirov , Christian T. Farrar , Or Perlman

Endogenous chemical exchange saturation transfer (CEST) effects are always diluted by competing effects such as direct water proton saturation (spillover) and macromolecular magnetization transfer (MT). This leads to T2-and MT-shine-through…

Purpose: Separation of different CEST signals in the Z-spectrum is a challenge especially at low field strengths where amide, amine, and NOE peaks coalesce with each other or with the water peak. The purpose of this work is to investigate…

Purpose: To develop an automated machine-learning-based method for the discovery of rapid and quantitative chemical exchange saturation transfer (CEST) MR fingerprinting acquisition and reconstruction protocols. Methods: An MR physics…

Medical Physics · Physics 2022-02-01 Or Perlman , Bo Zhu , Moritz Zaiss , Matthew S. Rosen , Christian T. Farrar

Purpose: To develop a fast magnetic resonance fingerprinting (MRF) method for quantitative chemical exchange saturation transfer (CEST) imaging. Methods: We implemented a CEST-MRF method to quantify the chemical exchange rate and volume…

Medical Physics · Physics 2024-07-17 Ouri Cohen , Shuning Huang , Michael T. McMahon , Matthew S. Rosen , Christian T. Farrar

In medical information extraction, medical Named Entity Recognition (NER) is indispensable, playing a crucial role in developing medical knowledge graphs, enhancing medical question-answering systems, and analyzing electronic medical…

Computation and Language · Computer Science 2024-03-26 Xiaojing Du , Hanjie Zhao , Danyan Xing , Yuxiang Jia , Hongying Zan

Chemical exchange saturation transfer (CEST) is widely used for enhancing the solution NMR signatures of magnetically-dilute spin pools; in particular species at low concentrations undergoing chemical exchanges with an abundant spin pool.…

Chemical Physics · Physics 2022-02-23 Michael J. Jaroszewicz , Mihajlo Novakovic , Lucio Frydman

Recently, deep learning has been successfully applied to the single-image super-resolution (SISR) with remarkable performance. However, most existing methods focus on building a more complex network with a large number of layers, which can…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Wenbin Zou , Tian Ye , Weixin Zheng , Yunchen Zhang , Liang Chen , Yi Wu

$\textbf{Purpose}$: To develop a clinical CEST MR fingerprinting (CEST-MRF) method for brain tumor quantification using EPI acquisition and deep learning reconstruction. $\textbf{Methods}$: A CEST-MRF pulse sequence originally designed for…

The image captioning task is increasingly prevalent in artificial intelligence applications for medicine. One important application is clinical report generation from chest radiographs. The clinical writing of unstructured reports is time…

Image and Video Processing · Electrical Eng. & Systems 2022-05-09 Edward Vendrow , Ethan Schonfeld

CEST has proven to be a valuable technique for the detection of hyperpolarized xenon-based functionalized contrast agents. Additional information can be encoded in the spectral dimension, allowing the simultaneous detection of multiple…

Medical Physics · Physics 2013-05-28 Jörg Döpfert , Christopher Witte , Martin Kunth , Leif Schröder

Chemical Shift Imaging (CSI) or Chemical Shift Encoded Magnetic Resonance Imaging (CSE-MRI) enables the quantification of different chemical species in the human body, and it is one of the most widely used imaging modalities used to…

Signal Processing · Electrical Eng. & Systems 2025-04-02 Cristobal Arrieta , Carlos A. Sing Long

Chemical formula annotation for tandem mass spectrometry (MS/MS) data is the first step toward structurally elucidating unknown metabolites. While great strides have been made toward solving this problem, the current state-of-the-art method…

Quantitative Methods · Quantitative Biology 2023-10-24 Samuel Goldman , Jiayi Xin , Joules Provenzano , Connor W. Coley

In this study, we present a novel approach for predicting genomic information from medical imaging modalities using a transformer-based model. We aim to bridge the gap between imaging and genomics data by leveraging transformer networks,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Aiman Farooq , Deepak Mishra , Santanu Chaudhury

Machine learning (ML) has been increasingly used to quantify chemical exchange saturation transfer (CEST) effect. ML models are typically trained using either measured data or fully simulated data. However, training with measured data often…

Medical Physics · Physics 2023-12-15 Malvika Viswanathan , Leqi Yin , Yashwant Kurmi , Zhongliang Zu
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