def prepare_training_generators(self):
self._train_generator = COCOGenerator(
self.train_image_dir,
self.train_annotation_path,
batch_size=self.batch_size,
shuffle=True,
label_encoder=self.input_encoder,
dct=True,
split_cbcr=True,
transforms=self.train_transformations)
self._validation_generator = COCOGenerator(
self.validation_image_dir,
self.validation_annotation_path,
batch_size=self.batch_size,
shuffle=True,
label_encoder=self.input_encoder,
dct=True,
split_cbcr=True,
transforms=self.validation_transformations)
self.validation_steps = len(self._validation_generator)