Display pixel value statistics
Example:
>>> from machinevisiontoolbox import Image >>> img = Image.Read('flowers1.png') >>> img.stats() R: range=0 - 255, mean=103.680, sdev=74.346 G: range=0 - 255, mean=112.024, sdev=50.040 B: range=0 - 255, mean=100.686, sdev=65.614