code: def batch_2x2_det(m: Tensor) -> Tensor:
      a = m[..., 0, 0]
      b = m[..., 0, 1]
      c = m[..., 1, 0]
      d = m[..., 1, 1]
      return a * d - b * c
  
file_path: kornia/kornia/feature/adalam/utils.py
imports: import math
  from typing import Tuple
  import torch
  from kornia.core import Tensor
label_desc: Use image node_id 8 for calling a global function with example usage: batch_2x2_det(m) and returns: unknown