def __init__(self, thresholdOperation=None):
        self.mNBins = 9
        self.mBlobMaker = BlobMaker()
        self.mThresholdOpeation = thresholdOperation
:param block_a: The first block address.
dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/Features/MorphologyFeatureExtractor.py/MorphologyFeatureExtractor.__init__--crossover with--dataset/ETHPy150Open angr/angr/angr/analyses/bindiff.py/FunctionDiff.block_similarity