parser.add_argument('-psf','--pixelSizeFactor',nargs='?',type=float,default=1,help='Correction factor for pixel size, set to 0.5 for super resolution with binned mdoc.')
parser.add_argument('-g','--group',nargs='?',type=int,default=2,help='Group parameter to motioncor2. Default 2, set to 3-4 on very low signal input.')
parser.add_argument('-g','--group',nargs='?',type=int,default=1,help='Group parameter to motioncor2. Default 1, set to 2-3 on very low signal input.')
#parser.add_argument('-g', '--group', nargs='?', type=int, default=1, help='Group parameter to motioncor2. Default 1, set to 2 or 3 on very low signal input.')
# parser.add_argument('-c', '--cutoff', nargs='?', type=float, default='1', help='The threshold of how many standard deviations above or below the a line must deviate before it is corrected')