Blind Estimation of Spatially Variant Noise in Grappa MRI

Aja-Fernandez, Santiago ;   Vegas-Sanchez-Ferrero, Gonzalo

Tags Magnetic resonance imaging (MRI)Probabilistic and statistical models & methodsModeling - Image formation

The reconstruction process in multiple coil MRI scanners makes the noise features in the final magnitude image become non-stationary, i.e. the...

Read More Download this Paper

Flexible Multichannel Transcranial Magnetic Stimulation Coil Array

Li, Jiangtao ;   Liang, Zheng ;   Jiang, Weihua ;   Zhao, Zhijie ;   Li, Jianhao

Tags Brain

Transcranial magnetic stimulation devices have been widely used for clinic and research purpose, and the design of coils is important for field...

Read More Download this Paper

Free-Breathing Perfusion MRI using Multislice PCASL

Song, Hao ;   Liu, Wenyang ;   Ruan, Dan ;   Pohmann, Rolf ;   Stenger, V. Andrew ;   Fernandez Seara, Maria A. ;   Jung, Sungkyu ;   Gach, H Michael

Tags Magnetic resonance imaging (MRI)KidneyMotion compensation and analysis

Arterial spin labeling (ASL) is a difference imaging method that is sensitive to motion between successive label and control acquisitions,...

Read More Download this Paper

In Vitro Imaging of Kidney Stones using Ultra-Short Echo-Time Magnetic Resonance

Ibrahim, El-Sayed ;   Pooley, Robert ;   Cernigliaro, Joseph ;   Bridges, Mellena ;   Giesbrandt, Jamie ;   Williams, James ;   Haley, William

Tags Magnetic resonance imaging (MRI)Image acquisition

With the development of ultra-short echo-time (UTE) magnetic resonance imaging (MRI) sequences, adequate imaging of kidney stones becomes...

Read More Download this Paper

Quality Optimized Medical Image Steganography based on Edge Detection and Hamming Code

Al-Dmour, Hayat ;   Al-Ani, Ahmed

Tags Optimization methodComputational ImagingMagnetic resonance imaging (MRI)

A Picture Archiving and Communication System (PACS) is a technology designed to store and transmit digitized medical images over a public...

Read More Download this Paper

Spectral Estimation for Magnetic Resonance Spectroscopic Imaging with Spatial Sparsity Constraints

Ning, Qiang ;   Ma, Chao ;   Liang, Zhi-Pei

Tags Magnetic resonance spectroscopyQuantification and estimationBrain

This paper addresses the long-standing spectral quantitation problem in magnetic resonance spectroscopic imaging (MRSI). Although a large...

Read More Download this Paper

Variable Density Sampling based on Physically Plausible Gradient Waveform. Application to 3D MRI Angiography

Chauffert, Nicolas ;   Weiss, Pierre ;   Boucher, Marianne ;   Mériaux, Sébastien ;   Ciuciu, Philippe

Tags Magnetic resonance imaging (MRI)Image acquisitionCompressive sensing & sampling

Performing k-space variable density sampling is a popular way of reducing scanning time in Magnetic Resonance Imaging~(MRI). Unfortunately,...

Read More Download this Paper