卷积分组

groups是输入和输出的公约数

    input = torch.Tensor(1, 48, 112, 112)

    conv_23=Conv_block(48, 32, groups=16, kernel=3, padding=1, stride=1)
    # conv_23 = Depth_Wise(64, 32, kernel=(3, 3), stride=(2, 2), padding=(1, 1), groups=128)

    x = conv_23(input)
    print(x.size())