R/preprocessing.R

fit_image_data_generator

Fit image data generator internal statistics to some sample data.

Description

Required for featurewise_center, featurewise_std_normalization and zca_whitening.

Usage

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

Arguments

Arguments Description
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.

See Also

Other image preprocessing: flow_images_from_dataframe(), flow_images_from_data(), flow_images_from_directory(), image_load(), image_to_array()