Parameter sharing: a feature detector such as a vertical edge detector, that is useful in one part of the image is probably useful in another part of the image


Convolutions: Parameter Sharing

Sparsity of connections: in each layer, each output value depends only on a small number of inputs 

Convolutions: sparsity of connections

- parameter sharing
- Sparsity of connections

University of Michigan - Ann Arbor

Here is the visualization of the convolution operation were you can play with different hyperparameters of CNN:
https://ezyang.github.io/convolution-visualizer/index.html

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