There are results showing that machine learning can be completely fooled by images that are slightly modified, so little that the human eye can not perceive any

There are results showing that machine learning can be completely fooled by images that are slightly modified, so little that the human eye can not perceive any difference. Have a look at the images in this paper on "adversarial examples": https://arxiv.org/abs/1412.6572 https://arxiv.org/abs/1412.6572