| 摘要 |
A path in a three dimensional structure is identified with a processor. The structure for determining the path may be identified by selection of a location on a one or two-dimensional image. The processor then extrapolates the structure of interest from the location and generates the path. Navigating along a path through a three dimensional space limits complication. For example, a simple input provides for navigation forward, backward or remaining stationary along the path. Navigation may be used to localize calculations, to define Doppler related scanning regions and orientations, or to determine the representation of the scanned volume data.
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