Add PRNU_FACTOR 0.1 and 0.01 view on a single figure

algorithms/context_adaptive_interpolator/context_adaptive_interpolator.py

@@ -6,6 +6,7 @@ from wiener_filter import wienerFilter
 
 # Assume greyscale PIL image passed.
 # What about other color channels? See #11.
+# `THRESHOLD` seems to have been designed to assume 256 range based images.
 def contextAdaptiveInterpolator(I, IImage, showProgress = False):
     rImage = Image.new('L', (IImage.size[0] - 2, IImage.size[1] - 2))
     r = rImage.load()