Merge pull request #1236 from onnx/tom/opset13Resize

Fixed resize op for opset 13

Author: TomWildenhain-Microsoft

tf2onnx/onnx_opset/nn.py

@@ -997,15 +997,17 @@ def version_11(cls, ctx, node, **kwargs):
             concat_shape.output[0]
         ]
         transformation_mode = "asymmetric"
+        nearest_mode = "floor"
         if "align_corners" in node.attr and node.attr["align_corners"].i:
             transformation_mode = "align_corners"
         if "half_pixel_centers" in node.attr and node.attr["half_pixel_centers"].i:
             if node.type == "ResizeNearestNeighbor":
-                transformation_mode = "tf_half_pixel_for_nn"
+                transformation_mode = "half_pixel"
+                nearest_mode = "round_prefer_ceil"
             else:
                 transformation_mode = "half_pixel"
         resize = ctx.make_node("Resize", resize_inputs,
-                               attr={"mode": mode, "nearest_mode": "floor",
+                               attr={"mode": mode, "nearest_mode": nearest_mode,
                                      "coordinate_transformation_mode": transformation_mode})
         shapes = node.output_shapes
         dtypes = node.output_dtypes