72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
"""
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Copyright (C) 2018-2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import numpy as np
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from extensions.middle.SliceLikeToStridedSlice import SliceLikeToStridedSlice
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from mo.graph.graph import Graph
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from mo.middle.replacement import MiddleReplacementPattern
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from mo.ops.const import Const
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class AnchorToPriorBoxes(MiddleReplacementPattern):
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"""
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Crop anchors consts before replacing subgraph with all anchors
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"""
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enabled = True
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force_clean_up = True
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graph_condition = [lambda graph: graph.graph['fw'] == 'mxnet' and graph.graph['cmd_params'].enable_ssd_gluoncv]
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def run_after(self):
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from extensions.middle.pass_separator import MiddleStart
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return [MiddleStart]
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def run_before(self):
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return [SliceLikeToStridedSlice]
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def pattern(self):
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return dict(
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nodes=[
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('const', dict(op='Const')),
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('const_data', dict(kind='data')),
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('slice_like', dict(op='slice_like')),
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('slice_like_out', dict(kind='data')),
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('reshape', dict(op='Reshape')),
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],
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edges=[
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('const', 'const_data'),
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('const_data', 'slice_like', {'in': 0}),
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('slice_like', 'slice_like_out'),
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('slice_like_out', 'reshape'),
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]
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)
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def replace_pattern(self, graph: Graph, match: dict):
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slice_like = match['slice_like']
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anchor_node = slice_like.in_port(0).get_source().node
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reshape = slice_like.out_nodes()[0].out_node()
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slice_shape = slice_like.out_nodes()[0].shape
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anchor_node.value = np.copy(anchor_node.value[:slice_shape[0], :slice_shape[1],
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:slice_shape[2], :slice_shape[3], :slice_shape[4]])
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anchor_node.shape = slice_shape
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val_node = Const(graph, {'name': slice_like.name +'/croped_', 'value': anchor_node.value[:slice_shape[0], :slice_shape[1],
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:slice_shape[2], :slice_shape[3], :slice_shape[4]], 'shape': slice_shape}).create_node_with_data()
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slice_like.in_port(0).disconnect()
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slice_like.in_port(1).disconnect()
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slice_like.out_port(0).disconnect()
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reshape.in_port(0).connect(val_node.in_node().out_port(0))
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