These are a series of self-contained notebook that show you how to visualize classes, features, and receptive fields, and a few other things in a neural network in tensorflow. I also wrote a short set of blog posts about this code.
HQ-LV/tensorflow-2-feature-visualization-notebooks
Feature and class visualization with deep neural networks in tensorflow. Contains deepdream, style transfer, receptive field visualization, convolutional filter visualization, etc.
Jupyter Notebook