Deep dreaming, but then restricted to just flipping pixels. It results in weird patterns that look like ink drawings if you squint a bit. Blog post about this can be found at: http://blog.douweosinga.com/2017/01/deep-ink-machine-learning-fantasies-in.html
You need to download inception5h and unzip it in a subdirectory named inception5h before this will work. You can find that pretrained model at: https://storage.googleapis.com/download.tensorflow.org/models/inception5h.zip