VDO MG 2100 Specifiche Scaricare il pdf (Pagina 299)

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Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 299

Chapter 42: Analyzing 3D-Mode images

2. Click Volume.

3. Ensure that the 3D data is displayed in the Cube view.

4. In the Volume area:

a. Select Parallel.

b. If you want to assign a color to the contours of the volume click Color,

select the appropriate color from the Color dialog, and then click OK.

c. Click Start.

5. To create the first contour, start in the Cube view and then complete the

following procedures:

a. Click to create a point on the circumference of a contour.

b. Position the cursor to a second point along the intended contour, and then

click to set the second point.

c. Continue creating points, and then right-click the last point, or left-click

near the first point to complete the contour.

The contour is displayed in the Contour List as

3D Volume 1 -- 001 if

this is the first contour of the first volume measurement on the image. The

contour color changes from blue to the specified color.

If the position of the trackball cursor is within five pixels of the previous

caliper when you right-click, the previously placed caliper is considered to

be the last caliper for the measurement. This applies to 3D-Mode polygon

measurements and for 3D-Mode volume contours.

d. Click Refine to initiate the edge detection algorithm. This function detects

the edge of the vessel or volume wall and attempts to closely fit the line to

the outside wall of the vessel or volume. The Refine function can be

repeated to achieve the closest possible fit.

The Refine function achieves the best results when the contour is drawn

just outside the boundary of the anatomical structure.

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VDO MG 2100 Specifiche Pagina 299

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