docstr: Generate a random sample around the given point.
  
  The standard deviation is in pixel.
code: def generate_sample(self, base_target, std_val=1.0):
      """Generate a random sample around the given point.
  
      The standard deviation is in pixel.
      """
      noise = std_val * torch.rand_like(base_target)
      return base_target + noise
  
file_path: kornia/test/integration/test_soft_argmax2d.py
imports: import logging
  import pytest
  import torch
  from torch import nn, optim
  import kornia
  from kornia.testing import assert_close
label_desc: Use image node_id 1 for calling the TestIntegrationSoftArgmax2d obj's underlying member method code with example usage: obj.generate_sample(base_target, std_val) and returns: unknown