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Image Acquisition Time
 
The period of time required to collect the image data. This time does not include the time necessary to reconstruct the image. The total time for performing a scan must take into consideration the additional image reconstruction time when determining how quickly the image may be viewed.
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• View the NEWS results for 'Image Acquisition Time' (2).Open this link in a new window.

• View the DATABASE results for 'Image Acquisition Time' (8).Open this link in a new window

 
Further Reading:
  News & More:
Moving the goalposts for MRI
Monday, 4 November 2013   by www.rsc.org    
MR Fingerprinting Could Lead to Much Faster MRI Scans and Simpler Recognition of Pathology
Friday, 22 March 2013   by www.medgadget.com    
Image Contrast Characteristics
 
Variations in the value of TR and TE have an important effect on the control of image contrast characteristics.
Short values of TR (less than e.g. 1000 ms) and TE (less than e.g. 25 ms) are common in images exhibiting T1 contrast.
Long values of TR (greater than e.g. 1500 ms) and TE (greater than e.g.60 ms) are common in images exhibiting T2 contrast.
Middle TR values (e.g. from 1000 to 1500 ms) and middle TE values (e.g. from 25 to 60 ms) are common for density weighted contrast.
The values are depending on the field strength. TR is also a major factor in total scan time.
 
Images, Movies, Sliders:
 Knee MRI Coronal Pd Spir 001  Open this link in a new window
    
 Brain MRI Transversal T1 002  Open this link in a new window
    
 MRI Pancreas T2  Open this link in a new window
    
 Knee MRI Sagittal T1 004  Open this link in a new window
 Knee MRI Transverse 001  Open this link in a new window
 
Radiology-tip.comContrast,  Low Contrast Detectability
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Radiology-tip.comSonographic Features,  Echogenicity
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• View the DATABASE results for 'Image Contrast Characteristics' (6).Open this link in a new window

 
Further Reading:
  Basics:
Musculoskeletal MRI at 3.0 T: Relaxation Times and Image Contrast
Sunday, 1 August 2004   by www.ajronline.org    
IMAGE CONTRAST IN MRI(.pdf)
   by www.assaftal.com    
MRI Resources 
Blood Flow Imaging - Shoulder MRI - Safety Training - Mass Spectrometry - Jobs - Education
 
Image Data Filter
 
Various reconstruction filters can be applied to MR images to reduce noise.
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Image Quality
 
The quality of magnetic resonance imaging is particularly dependent on image resolution (matrix, field of view, slice thickness), contrast (TE, TR), signal to noise ratio (bandwidth, signal averaging) and lack of artifacts. These MRI parameters are affected by the field homogeneity, the field strength, the coil, the pulse sequence type and imaging techniques like parallel imaging.
See also Image Contrast Characteristics.
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• View the NEWS results for 'Image Quality' (4).Open this link in a new window.

• View the DATABASE results for 'Image Quality' (42).Open this link in a new window

 
Further Reading:
  Basics:
Guidelines for Developing Automated Quality Control Procedures for Brain Magnetic Resonance Images Acquired in Multi-Centre Clinical Trials
Tuesday, 26 April 2011   by www.intechopen.com    
Image Characteristics and Quality
   by www.sprawls.org    
  News & More:
Patient movement during MRI: Additional points to ponder
Tuesday, 5 January 2016   by www.healthimaging.com    
Novel Imaging Technique Improves Prostate Cancer Detection
Tuesday, 6 January 2015   by health.ucsd.edu    
NanoMRI could image single biomolecules
Monday, 29 December 2014   by nanotechweb.org    
Breast MRI more widely used now that equipment, images are better
Sunday, 21 October 2012   by www.kentucky.com    
Image Reconstruction
 
The mathematical process of converting the composite signals obtained during the data acquisition phase into an image.
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• View the DATABASE results for 'Image Reconstruction' (9).Open this link in a new window

 
Further Reading:
  Basics:
MR Image Reconstruction from Raw Data
   by dukemil.egr.duke.edu    
  News & More:
Hybrid Scanner Brings Molecular Functioning To The Forefront
Tuesday, 16 June 2009   by www.sciencedaily.com    
MRI Resources 
Quality Advice - Fluorescence - Image Quality - Breast MRI - Jobs pool - Guidance
 
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