Seonglae ChoIt is good to separate out hard zeros for interpretability. Thisis because sparsity causes a dirac delta in density at zero.
But Is sparsity actually a good proxy for interpretability? is still open question
Linear model or tree-based model are considered to have intrinsic interpretability
Interpretable Sparse Codings
Regularization forest
VAE
helpful for insects
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Helpful for human (2005)
concept cell
Invariant visual representation by single neurons in the human brain
Nature - It takes moments for the human brain to recognize a person or an object even if seen under very different conditions. This raises the question: can a single neuron respond selectively to a...
https://www.nature.com/articles/nature03687
Brain sprase coding
Emergence of simple-cell receptive field properties by learning a sparse code for natural images
Nature - Emergence of simple-cell receptive field properties by learning a sparse code for natural images
https://www.nature.com/articles/381607a0
odd cell dense
Sparse
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Superposition
Place Cells
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Hippocampal place-cell sequences depict future paths to remembered goals
Nature - The hippocampal region of the brain has an important role in providing the memory component of human navigation. It has been known for some time that after the completion of a movement,...
https://www.nature.com/articles/nature12112
