Image Acquisition

In understanding the concept behind T1 and T2 relaxation of the proton spins, it is perhaps time to discuss how the MR signal is formed and converted to an actual image. It is a complex process involving multiple parameters such as tissue T1 and T2 properties, strength of gradients, time and strength of the RF pulse, TR, and TE, all of which determine the final MR signal. The raw data acquired in k-space subsequently undergo a mathematical process called Fourier (2D or 3D) transformation to generate the final images.

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