really cool filters so those are the decoder filters these are the encoder filters for various number of various dimensions of the of the code here so get natural feature is emerging completely and you know unsupervised from training all natural image patches let me skip ahead a little bit okay so there is a formulation you've probably heard conservation electronic odor and when you look at those papers is a whole bunch of you know sort of vegetable bounds and all that stuff and it's very hard to understand intuitively