class_docstr: SF3D Detector.
      
class_docstr_tok: ["SF3D","Detector","."]
code: def detect_from_batch(self, tensor):
      bboxlists = batch_detect(
          self.face_detector, tensor, device=self.device
      )
  
      new_bboxlists = []
      for i in range(bboxlists.shape[0]):
          bboxlist = bboxlists[i]
          bboxlist = self._filter_bboxes(bboxlist)
          new_bboxlists.append(bboxlist)
  
      return new_bboxlists
  
file_path: face-alignment/face_alignment/detection/sfd/sfd_detector.py
imports: import torch
  from torch.utils.model_zoo import load_url
  from ..core import FaceDetector
  from .net_s3fd import s3fd
  from .bbox import nms
  from .detect import detect, batch_detect
label_desc: Use image node_id 4 for calling the SFDDetector obj's underlying member method code with example usage: obj.detect_from_batch(tensor) and returns: new_bboxlists