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