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Result : Searchterm 'Resolution' found in 8 terms [] and 144 definitions []
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Resolution is a function of slice thickness, field of view (FOV) and matrix size. The resolution in plane is a function of FOV / matrix size.
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• Related Searches:
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Further Reading:
  News & More:
NanoMRI could image single biomolecules
Monday, 29 December 2014   by nanotechweb.org    
Searchterm 'Resolution' was also found in the following services: 
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Radiology  (27) Open this link in a new windowUltrasound  (69) Open this link in a new window
Image Resolution
 
The image resolution is the level of detail of an image and a measurement of image quality. Higher resolution means more image detail, for example when two structures 1 mm apart are distinguishable in an image, this picture has a higher resolution than an image where they are not to distinguish.
More data points in an MR image (with same FOV) will decrease the pixel size, but not accurately improve the resolution because the different MRI sequences influence the contrast and the discernment of different tissues. With high contrast and optimal signal to noise ratio, the image resolution is depend on FOV and number of data points of a picture, but T2* effects have an additional influence.
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Further Reading:
  Basics:
The Basics of MRI
   by www.cis.rit.edu    
  News & More:
Optimizing Musculoskeletal MR
   by rad.usuhs.mil    
MRI Resources 
Service and Support - Devices - RIS - NMR - MRCP - MR Guided Interventions
 
Resolution Element
 
Size of smallest spatially resolved regions in an image. It may be anisotropic, e.g. with an asymmetric acquisition matrix or slice thickness, and may be larger than the pixel or voxel.
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Spatial Resolution
 
The smallest distance between two points in the object that can be distinguished as separate details in the image, generally indicated as a length or a number of black and white line pairs per mm (lp/mm).
The specific criterion for resolution to be used, depends on the type of test used (e.g., bar pattern or contrast-detail phantom). As the ability to separate or detect objects depends on their contrast and the noise, and the different MR parameters of objects will affect image contrast differently for different imaging techniques, care must be taken in comparing the results of resolution phantom tests of different machines and no single simple measure of resolution can be specified.
The resolution may be an isotropic one. The resolution may be larger than the size corresponding to the discrete image element (pixel), although it cannot be smaller.
 
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Further Reading:
  Basics:
Faster speed, better spatial resolution lead 3T benefits
   by sipi.usc.edu    
Musculoskeletal MRI at 3.0 T: Relaxation Times and Image Contrast
Sunday, 1 August 2004   by www.ajronline.org    
Bringing innovative technologies together
Monday, 18 November 2013   by www.european-hospital.com    
  News & More:
New Paradigm for Nanoscale Resolution MRI Experimentally Achieved
Friday, 27 September 2013   by www.sciencedaily.com    
3-D Virus Imaging wth Magnetic Resonance Force Microscopy
Wednesday, 14 January 2009   by www.medgadget.com    
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Contrast Resolution
 
Low-contrast resolution: The ability to image objects with similar subjects contrast;; contrast detectability.
High-contrast resolution: The ability to image small objects having high subject contrast and spatial resolution.

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Further Reading:
  Basics:
Image Characteristics and Quality
   by www.sprawls.org    
IMAGE CONTRAST IN MRI(.pdf)
   by www.assaftal.com    
MRI Resources 
Lung Imaging - Bioinformatics - MR Myelography - Devices - Fluorescence - Mass Spectrometry
 
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