def __init__(self, num_proposals, num_classes=80):
    super(SparsePostProcess, self).__init__()
    self.num_classes = num_classes
    self.num_proposals = num_proposals
def __init__(self, num_proposals, num_classes=80):
    super(SparsePostProcess, self).__init__()
    self.num_classes = num_classes
    self.num_proposals = num_proposals