code: def elu_feature_map(x: Tensor) -> Tensor:
      return torch.nn.functional.elu(x) + 1
  
file_path: kornia/kornia/feature/loftr/loftr_module/linear_attention.py
imports: from typing import Optional
  import torch
  from torch.nn import Dropout
  from kornia.core import Module, Tensor
label_desc: Use image node_id 1 for calling a global function with example usage: elu_feature_map(x) and returns: unknown