Shenzhen Mindray Bio-Medical Electronics Co., Ltd. DC-N2, Руководство оператора

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5-38 Image Optimization
NOTE: You can view the back of the 3D image by rotating it 180°, but the back view image
may not as vivid as the front. (Here we call the initial view of the 3D image you see
as “front”). It’s recommended to re-capture than to rotate the 3D image remarkably
if a certain region desired is blocked in the 3D image.
Image Zooming
„
Function
Adjust the zoom factor of 3D image, the sectional images (MPR) will be zoomed in/out
accordingly.
„
Operation
Set 3D image window as current window, Press <Zoom> button on the control panel to
enter the image magnification status; rotate the button to increase or decrease the
magnification factor.
„
Range
The magnification factor can be 0.2-4, in increments of 0.2.
„
Image relationship
z
When the 3D image is zoomed in or out, the sectional planes are changed along with
it.
z
In “Accept VOI” status, roll the trackball, the sectional planes are shifted along with it.
Comment and Body Mark
„
Function:
Add comment and body mark to the sectional planes and 3D image.
„
Operation:
The operation is the same as adding comment and body mark in B image mode.
Image Edit
„
Function
Image editing is a more elaborate function than VOI adjusting to optimize the 3D by
clipping (removing) the part blocked the region of interests.
Tips:
z
In image edit status, no image parameter can be changed. There displays a cutting
cursor
.
z
The editing function is only available on a 3D rendered image.
z
Editing of the 3D image does not affect the sectional plane of A, B and C window.
„
Procedures
(1) Enter image editing status by clicking [Edit] on the top of the menu.
(2) Select an edit tool.
(3) Roll the trackball and press the <Set> key to position the start point, roll the trackball
to set a region and press the <Set> key again, the selected region will be cut from
the 3D rendered image.
If the Inside Contour/Outside Contour is selected, the region that will be cut is defined
when the start point and the end point coincide.
h
To undo the last cutting, click [Undo] on the menu;
h
To undo all cuttings, click [Undo All];
(4) Click [General] or press <ESC> to exit image editing.
The image cutting parameters are described as follows: