code: def blue_position2pattern(blue_position):
      y, x = blue_position
      assert 0 <= x <= 1 and 0 <= y <= 1
      return 2 * y + x
  
file_path: DALI/dali/test/python/debayer_test_utils.py
imports: import numpy
  from scipy.signal import convolve2d
label_desc: Use image node_id 2 for calling a global function with example usage: blue_position2pattern(blue_position) and returns: unknown