'**SUMMARY**
Retrieve an Image-object from the scanner.  Any ROI set with
setROI() is taken into account.
**RETURNS**
A SimpleCV Image.  Note that whatever the scanner mode is,
SimpleCV will return a 3-channel, 8-bit image.
**EXAMPLES**
>>> scan = Scanner()
>>> scan.getImage().show()'

def getImage(self):

    return Image(self.device.scan())
