How to Adjust the ROI
Before selecting Fusion, use preselected ROI options to improve alignment accuracy within a limited spatial area.
A menu with ROI options opens. The content of the menu depends on the information available in the image set.
Select the ROI most useful for your purpose (e.g., usually the artery that is displayed in your DSA image). The software shows the image set with the selected ROI superimposed in red.
Ensure that sufficient anatomical information is covered by the region of interest in order to improve the fusion results.