def __init__(self, p):
    super(RandomGrayAug, self).__init__(p=p)
    self.p = p
    self.mat = nd.array([[0.21, 0.21, 0.21], [0.72, 0.72, 0.72], [0.07, 0.07, 0.07]])
def __init__(self, p):
    super(RandomGrayAug, self).__init__(p=p)
    self.p = p
    self.mat = nd.array([[0.21, 0.21, 0.21], [0.72, 0.72, 0.72], [0.07, 0.07, 0.07]])