try pad=0?

tools/demo_api.py

@@ -74,9 +74,8 @@ class Predictor(object):
         img_info["raw_img"] = img
 
         ratio = min(self.test_size[0] / img.shape[0], self.test_size[1] / img.shape[1])
-        pad = torch.tensor([0,0,0,0])
-        pad_h = ( self.test_size[0] - img.shape[0] * ratio ) / 2
-        pad_w = ( self.test_size[1] - img.shape[1] * ratio ) / 2
+        pad_h =0 # ( self.test_size[0] - img.shape[0] * ratio ) / 2
+        pad_w =0 # ( self.test_size[1] - img.shape[1] * ratio ) / 2
         img_info["pad"] = (pad_w, pad_h)
         img_info["ratio"] = ratio