scripts/builtin/img_sample_pairing.dml

#-------------------------------------------------------------
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#-------------------------------------------------------------

# The image sample pairing function blends two images together.
#
# INPUT:
# -------------------------------------------------------------------------------------------
# img_in1  First input image
# img_in2  Second input image
# weight   The weight given to the second image.
#          0 means only img_in1, 1 means only img_in2 will be visible
# -------------------------------------------------------------------------------------------
#
# OUTPUT:
# --------------------------------------------------------------------------------------------
# img_out  Output image
# --------------------------------------------------------------------------------------------

m_img_sample_pairing = function(Matrix[Double] img_in1, Matrix[Double] img_in2, Double weight) return (Matrix[Double] img_out) {
  if (weight < 0 | 1 < weight) {
    print("Invalid weight. Set weight to 0.5")
    weight = 0.5
  }

  img_out = (1 - weight) * img_in1 + weight * img_in2
}