def METHOD_NAME(self, input):
    check_and_warn_input_range(input, 0, 1, 'PerceptualLoss input in get_global_features')
    if self.normalize_inputs:
        features_input = self.do_normalize_inputs(input)
    else:
        features_input = input
    features_input = self.vgg(features_input)
    return features_input