Imaging for Physicists
k-space trajectories
k y
k x
GRE or SE : one line of k- space per TR (usually 256, 512 lines) Image time = N phase × TR
EPI : all lines of k-space per TR (typically 64 or 128) Image time = TR
Made with FlippingBook
k-space trajectories
k y
k x
GRE or SE : one line of k- space per TR (usually 256, 512 lines) Image time = N phase × TR
EPI : all lines of k-space per TR (typically 64 or 128) Image time = TR
Made with FlippingBook