5-42 Image Optimization
5.12.3 iScape Viewing
After completing image acquisition, the system performs image splicing and then enters the iScape
viewing mode.
In iScape viewing mode, you can perform image parameters setting, zooming, rotation and adding
measurements, comments and body marks.
Adjusting Image Parameters
In image viewing mode, you can adjust the following parameters:
Image size
Tap [Actual Size] to display the image in its actual size.
Tap [Fit Size] to display the image in a size that fits the current window.
Tint map
Tap [-] or [+] to change the value slightly or drag the control directly.
Ruler
Tap[Ruler] to hide or show the ruler around the image.
Rotation
Tap [-] or [+] to rotate the image clockwise or anticlockwise, or drag the control directly.
Image Zooming
For details, refer to “6.2 Image Magnification”.
Measurement, Comments and Body Marks
In iScape image viewing status, you can perform measurement, comments and body marks. The
operations are the same as in B mode.
The measurement accuracy for spliced images may be degraded - exercise caution
when measurements are performed on an iScape image.
If there is a trace during the retracing, do not perform measurement across the trace.
Evaluate Image Quality
Many variables may affect the overall image quality. It is important to evaluate the image content
and quality before an image is used for diagnosis or measurements.
iScape panoramic imaging is intended for use by well-trained ultrasound operators or
physicians. The operator must recognize image items that will produce a sub-optimal
or unreliable image.
The following items may produce a sub-optimal image. If the image quality does not meet the
following criteria, you must delete the image and repeat image acquisition.
The image must be continuous (no part of an image moves suddenly or disappears.)
No shadow or absent signal along the scan plane.
Clear profile of anatomy through the entire scan plane without distortion.
Skin line is continuous.
The images are captured from the same plane.
There are no large black areas in the image.
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