code: def __init__(self, watermark):
      self.watermark = watermark
      self.num_bits = len(self.watermark)
      self.decoder = WatermarkDecoder("bits", self.num_bits)
  
imports: import argparse
  import cv2
  import numpy
label_desc: Use image node_id 1 to create a new GetWatermarkMatch object  with example: obj = GetWatermarkMatch(watermark)