def forward(self, x, refine_anchors, featmap_size, stride):
    offset = self.get_offset(refine_anchors, featmap_size, stride)
    x = F.relu(self.align_conv(x, offset))
    return x
def forward(self, x, refine_anchors, featmap_size, stride):
    offset = self.get_offset(refine_anchors, featmap_size, stride)
    x = F.relu(self.align_conv(x, offset))
    return x