Figure 1

Short-axis reconstructions of ‘slices' all at a fixed in-plane resolution but of varying through-plane resolutions, shown with their corresponding locations along the high-resolution long-axis (which was along the line marked on the SAX images). To their right are the corresponding line profiles of each reconstruction at this position, allowing both the partition thickness and boundary angle responsible for producing any PDRA to be viewed simultaneously. These are shown for a) the conical numerical phantom, b) the anatomical numerical phantom and c) the in-vivo dataset. Values of N_p were chosen to give reconstructions representative of small PDRA, stonger PDRA, partial-volume/PDRA compromise and strong partial-volume effects respectively from left to right. The actual numbers therefore vary depending on the type of dataset used, although the first (high N_p) high-resolution case is consistently unfeasibly high.