2 Copyright (c) 2017-2019 Intel Corporation
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
8 http://www.apache.org/licenses/LICENSE-2.0
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
19 from mo.ops.op import Op
20 from mo.graph.graph import Graph
21 from mo.back.replacement import BackReplacementPattern
24 class CompatibilityL2NormalizationPattern(BackReplacementPattern):
31 ('l2_normalization', dict(op='Normalize'))
35 def replace_pattern(self, graph: Graph, match: dict):
37 Adds Normalize layer weights, which are required by Inference Engine,
38 but do not always exist in MXNet model.
40 L2Normalization is mapped to Normalize layer
41 so we need to generate Normalize weights filled with ones.
46 Graph with loaded model.
48 Patterns which were found in graph structure.
50 l2_normalization_node = match['l2_normalization']
51 if len(l2_normalization_node.in_nodes()) < 2:
52 value = np.full([l2_normalization_node.in_node(0).shape[1]], 1.0, dtype=np.float32)
53 weights_node = Op.create_input_data_node(graph, name=l2_normalization_node['name'] + '_weights', value=value)
54 graph.create_edge(weights_node, l2_normalization_node, out_port=0, in_port=1, edge_attrs={'bin': 'weights'})