code: def __call__(self, img, target):
      return self.transforms(img, target)
  
file_path: deep-learning-for-image-processing/pytorch_segmentation/fcn/validation.py
imports: import os
  import torch
  from src import fcn_resnet50
  from train_utils import evaluate
  from my_dataset import VOCSegmentation
  import transforms
label_desc: Use image node_id 2 for calling the SegmentationPresetEval obj's underlying member method code with example usage: obj.__call__(img, target) and returns: self