/TypeScript/How to get class weights while using keras imagedatagenerator

How to get class weights while using keras imagedatagenerator

from collections import Counter
train_datagen = ImageDataGenerator()
train_generator = train_datagen.flow_from_directory(...)

counter = Counter(train_generator.classes)                          
max_val = float(max(counter.values()))       
class_weights = {class_id : max_val/num_images for class_id, num_images in counter.items()}

Source: stackoverflow.com

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