autocorrelation of the input in tensorflow/keras

Question

I have a 1D input signal. I want to compute autocorrelation as the part of the neural net for further use inside the network. I need to perform convolution of input with input i

Answer 1

TensorFlow now has an auto_correlation function. It should be in release 1.6. If you build from source you can use it right now (see e.g. the github code).