class_docstr: Basic Reader Class
class_docstr_tok: ["Basic","Reader","Class"]
code: def extract_feature(self, inputs):
      inputs = cvtransforms.ColorNormalize(inputs)
      inputs = torch.from_numpy(inputs)
      inputs = inputs.unsqueeze(0).float()
      inputs = inputs.unsqueeze(1)
      with torch.no_grad():
          outputs = model(inputs.to(device))
      return outputs.cpu().numpy()
  
imports: import cvtransforms
  import face_alignment
  import numpy
  import skimage.transform
  import skvideo.io
  import torch
  from models import pretrained
label_desc: Use image node_id 4 for calling the VideoReader obj's underlying member method code with example usage: obj.extract_feature(inputs) and returns: outputs