Image Optimization 5-37
5.10.3 Static 3D
Static 3D provides single frame image acquisition of 3D images. Make sure to perform
Static 3D imaging with an appropriate Static 3D-compatible probe—volume probe. Only if
the current probe is an effective one, can the system enters Static 3D imaging mode.
During the scanning, the probe performs the scanning automatically.
5.10.3.1 Basic Procedures for Static 3D Imaging
To perform Static 3D imaging:
1. Select the appropriate probe and exam mode. Make sure there is sufficient gel on the
probe for scanning.
2. Obtain a 2D image.
Make sure:
z High contrast between the desired region and the AF (amniotic fluid) surrounded.
z Clear boundary of the desired region.
z Low noise of the AF area.
3. Press <F9> and select Static 3D sub-mode on the soft menu to enter Static 3D mode,
and define the ROI as well as curved VOI.
To adjust the ROI: roll the trackball to change the ROI size, ROI position and curved
VOI, press the <Set> key to toggle among setting the ROI size, ROI position and
curved VOI.
For ROI setting, make sure:
z Set ROI on the 2D image with the largest section area of the fetal face.
z Set ROI a little larger than the fetal head.
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.
4. Select a render mode on the menu, set parameters like [Angle], [Image Quality]
accordingly.
5. Press <Update> on the control panel to start the 3D image acquisition.
The system enters into 3D image viewing status when the acquisition is completed.
In image viewing status, you can perform VOI setting, image editing and other operations.
For details, please refer to “5.10.3.3 Static 3D Image Viewing”.
6. Exit Static 3D.
Press <Update> to return to Static 3D image acquisition preparation; or, press <B> or
<F9> to enter B mode.
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