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» Equipment/QA

These questions are concerned MRI hardware and quality control of images.

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What is used to characterise the resolution of the system?

The modulation transfer function (MTF). (Images of bar patterns may also be used, but these are limited in their assessment of the resolution of the scanner.)

Further reading on this topic:
Books: MRI From Picture to Proton p209-212, ACR Quality Control Manual p81-82, IPEM Report 80 p20-24

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