MRI Spatial Encoding

K-Space Grid Is an Address Book

A k-space training grid is useful only when the address count is checked. Exact arithmetic here means exact results for the stated model inputs; measured inputs still carry uncertainty and significant-figure limits.

highlighted = computed this step

A k-space grid is an address book

The grid has 3 rows and 4 columns.

3×43\times4
Indexed throughputIndexed measurements become exact count budgets.indexed readout

Rows times columns gives the bin count

The checked address count is 12 bins.

3×4=123\times4=12
Indexed throughputIndexed measurements become exact count budgets.indexed readout