40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
# Copyright (C) 2018-2021 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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from extensions.front.flatten_to_reshape import FlattenToReshape
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from extensions.front.mxnet.ssd_pattern_remove_reshape import SsdPatternRemoveReshape
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from mo.front.common.replacement import FrontReplacementSubgraph
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from mo.graph.graph import Graph
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class SsdPatternRemoveFlatten(FrontReplacementSubgraph):
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enabled = True
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def run_before(self):
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return [SsdPatternRemoveReshape, FlattenToReshape]
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def pattern(self):
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return dict(
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nodes=[
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('multi_box_prior', dict(op='_contrib_MultiBoxPrior')),
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('flatten', dict(op='Flatten'))
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],
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edges=[
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('multi_box_prior', 'flatten', {'in': 0})
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]
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)
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def replace_sub_graph(self, graph: Graph, match: dict):
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"""
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Need to find each occurrence of pattern: _contrib_MultiBoxPrior -> Flatten
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remove Flatten layer - IE does not expect outputs to be flattened
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Parameters
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----------
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graph : Graph
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Graph with loaded model.
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match : dict
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Patterns which were found in graph structure.
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"""
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graph.erase_node(match['flatten'])
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