ImageBoundaryAreaMsr
            Contains the boundary area of the volume of interest.
        
		Object members
| Measurement name | Description | Element type | Indexing | 
|---|---|---|---|
| pixelCount | The number of pixels of the volume of interest boundary. | Unsigned integer | [time] | 
| surface | The 2D perimeter or 3D area of the volume of interest boundary, expressed in world coordinates, with dimension 1 in 2D and dimension 2 in 3D. [TS] | Floating point | [time] |