5-44 Image Optimization
It can be adjusted both in acquisition preparation status, and in A, B, C sections of
review/ 4D imaging status, and a triangle of control point on the curved VOI is
displayed.
Depending on the view direction, the orientation and the shape (line or dot) of
curved VOI vary:
View
Curved VOI
U/D At the upper part of curved VOI
D/U At the lower part of curved VOI
L/R At the left part of curved VOI
R/L At the right part of curved VOI
F/B Displays as a dot
B/F Displays as a dot
NOTE:
To define a ROI, please try to cut the useless data as to reduce the volume data,
shortening the time for image storing, processing and rendering.
 3D view direction definition
You can adjust the view direction of the ROI.
a. Up/Down b. Down/Up
c. Left/Right d. Right/Left