I used the PaNup method to improve a bit the quality of the upscaled DVD shots that will be used to replace the non-unrated same shots in the BD.
Here you are the difference between NTSC (DVD simple bicubic upscale) Vs PaNup (PAL+NTSC DVDs mixed, upscaled, denoised + grain plate) - WARNING: it's a rather gory screenshot!
http://screenshotcomparison.com/comparison/63368
and this are the non-unrated version from BD and unrated version from DVD:
http://screenshotcomparison.com/comparison/63367
@DoomBot: don't know, from my PC everything was OK, but from my android smartphone it is the same as you noted... I edited the post, hope it will work now.