Why the size of input picture is not 12X12 in P-Net

[KaiJin1995]

I have seen your code in demo.py. I notice that you don't resize the picture to 12X12 in P-Net. And I debug your code ,and I found the picture that is not 12X12X3. so the bounding box is not 1X1X4 in P-Net.It don't match the paper