So I was trying to normalize my cat image by the imagenet statistics when I ended up with values between -1 and > 1 after the normalization, and am confused as to why. As you can see below, the initial image has values between 0 and 1. And as you see from the second image below, after the normalization its between -1 and > 1. I expected it to remain between 0 and 1…

Screen Shot 2020-02-24 at 11.03.34 AM1158×1030 127 KB

After;

Screen Shot 2020-02-24 at 11.05.28 AM1080×760 102 KB