Comparison between Readout-Segmented (RS)-EPI and an improved distortion correction method for Short-Axis Propeller (SAP)-EPI
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چکیده
252x252 (left) and 384x384 (right). SAP-EPI and RS-EPI datasets were acquired in equivalent scan times of 1:24min/volume. Fig 3: (a) Scan-timenormalized noise maps (i.e. accounting for the maximum number of slices) of distortion-correctedSAP-EPI and RS-EPI calculated over six b = 0 scans (matrix size=384). (b) A RSEPI 384 image is blurred by a Gaussian kernel to achieve the same SNR as SAPEPI, resulting in a loss of resolution. This shows that distortioncorrected SAP-EPI has better scan efficiency than RS-EPI even at high resolutions. Comparison between Readout-Segmented (RS)-EPI and an improved distortion correction method for Short-Axis Propeller (SAP)-EPI
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