def __init__(self, sigma=1.4):
    (self.filter_x, self.filter_y) = self.gauss_filter(sigma)
    self.filter_x = torch.from_numpy(self.filter_x).unsqueeze(0).cuda()
    self.filter_y = torch.from_numpy(self.filter_y).unsqueeze(0).cuda()
def __init__(self, sigma=1.4):
    (self.filter_x, self.filter_y) = self.gauss_filter(sigma)
    self.filter_x = torch.from_numpy(self.filter_x).unsqueeze(0).cuda()
    self.filter_y = torch.from_numpy(self.filter_y).unsqueeze(0).cuda()