Sparsity Preserving DP-SGD in TF Privacy [4 of 4]

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Sparsity Preserving DP-SGD in TF Privacy [4 of 4]

Integrate sparsity preserving noise into DP Keras Model with fast gradient clipping.

See https://research.google/blog/sparsity-preserving-differentially-private-training/ for more details on the algorithm.