peal.data.transformations.IdentityNormalization¶ class peal.data.transformations.IdentityNormalization[source]¶ Bases: object No-op stand-in for Normalization. Used where a dataset needs an object with __call__ and invert but its images are already in the value range the model expects. Methods invert Return batch unchanged. __call__(sample)[source]¶ Return sample unchanged. invert(batch)[source]¶ Return batch unchanged.