Fit image data generator internal statistics to some sample data.

Required for featurewise_center, featurewise_std_normalization and zca_whitening.

fit_image_data_generator(object, x, augment = FALSE, rounds = 1,
  seed = NULL)

Arguments

object	`image_data_generator()`
x	array, the data to fit on (should have rank 4). In case of grayscale data, the channels axis should have value 1, and in case of RGB data, it should have value 3.
augment	Whether to fit on randomly augmented samples
rounds	If `augment`, how many augmentation passes to do over the data
seed	random seed.