code: def sharpness(data, kernel):
      """
      The outputs correspond to PIL's ImageEnhance.Sharpness with the exception for 1px
      border around the output. PIL computes convolution with smoothing filter only for
      valid positions (no out-of-bounds filter positions) and pads the output with the input.
      """
      return fn.experimental.filter(data, kernel)
  
imports: from nvidia.dali import fn
  from nvidia.dali import types
  from nvidia.dali.auto_aug.core import augmentation
label_desc: Use image node_id 16 for calling a global function with example usage: sharpness(data, kernel) and returns: fn