Image Optimization 5-47
4. Roll the trackball to view the current active MPR, and the other two MPRs change
correspondingly. Or you can rotate the <4D> knob to adjust the relative position of MPRs so as
to slice through the VR.
In Accept VOI status, when the VR is active or the MPR which is perpendicular to the view
direction is active, center point of the VR displays, and you can adjust the position using the
trackball.
Image Rendering Parameters
In image viewing status, you can render the image by adjusting the relevant parameters.
Render setting parameters description:
Touch or on the touch screen to select parameter adjustments of VR or
MPR.
When the [VR] is highlighted in green, parameter adjustment is performed on VR image.
When the [MPR] is highlighted in green, parameter adjustment is performed on MPR.
Adjustable parameters are as follows:
Function: to set the threshold for VR rendering. VR is rendered using the
signal between the high and low thresholds.
When signals are received, from small to large, they are divided into different
levels assigned within the range of 0-100%. The threshold is a selected
range when the system filters out signals below it and select signals above it
to render the VR image.
Lower threshold can eliminate lower range noises and echo, which will
contribute to a clearer and smoother image.
Range: 0%-100%.
Available in Surface render mode only.
Function: to set the transparency value for VR rendering.
Range: 0%-100%.
The lower the number, the more transparent the gray scale information.
Function: to set the smoothness of VR.
Selection: 0-10. 0 refers to no smooth effect, 1-10 present 10 effects in
incremental order.
Tips: insufficient smoothness can result in a fuzzy image; however, over
smoothness will lead to image distortion.
Function: to set the brightness of VR.
Range: 0%-100%. 0% presents the minimum brightness, while 100% the
maximum.
Function: to set the contrast of VR.
Range: 0%-100%.
Switch on/off tint map, selection: Off, 1-8.
To quickly rotate the VR.
Selection: 0°, 90°, 180°, 270°.
Enhances B mode image profile for better boundary details.
Range: Off, 1-7.
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