This visualizations on the patterns CNNs look for really help get an intuition on how these work.

It seems like the point of this slide is that the filters transform the image from something meant to be visually appraised to just a form for the data to take. That was my understanding of the switch from channels holding red green and blue to information on all of the smaller filters.

Had an opportunity of learning this is Machine Learning Class. Correlating this to the concepts taught there makes total sense.