2016_Imaging for Physicists
Sampling of k-space
Ringing artifact: • Oscillating pattern next to sharp edges in an image
What to do about it: • Decrease voxel size
– (sample higher k-values)
• Filter the image
Made with FlippingBook
Sampling of k-space
Ringing artifact: • Oscillating pattern next to sharp edges in an image
What to do about it: • Decrease voxel size
– (sample higher k-values)
• Filter the image
Made with FlippingBook