GCLU
Gaussian Calibration Linear Unit
Assuming the input is $x$, and $x\sim \mathcal{N}(0,1)$. The final response value is $f(x)$, the formulaic expression is:

$$ f(x)= x * (2- \Phi(x)), x > 0 $$
$$  f(x)= x * \Phi(x), x \le 0 $$
Deep Feature Response Discriminative Calibration
https://paperswithcode.com/paper/deep-feature-response-discriminative
Deep Feature Response Discriminative Calibration