2 Copyright (c) 2018-2019 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.
20 from mo.graph.graph import Node, Graph
21 from mo.ops.op import Op, PermuteAttrs
24 class ReorgYoloOp(Op):
27 def __init__(self, graph: Graph, attrs: dict):
31 'infer': ReorgYoloOp.reorgyolo_infer
33 super().__init__(graph, mandatory_props, attrs)
35 def supported_attrs(self):
41 def reorgyolo_infer(node: Node):
42 input_shape = node.in_node(0).shape
43 if input_shape is None:
48 output_shape = np.full_like(input_shape, -1, dtype=np.int64)
49 output_shape[node.batch_dims] = input_shape[node.batch_dims] # pylint: disable=unsupported-assignment-operation
50 output_shape[node.channel_dims] = input_shape[node.channel_dims] * stride ** 2 # pylint: disable=unsupported-assignment-operation
52 output_shape[node.spatial_dims] = np.round(input_shape[node.spatial_dims] / stride) # pylint: disable=unsupported-assignment-operation
54 node.out_node().shape = output_shape
55 PermuteAttrs.create_permute_attrs(node, attrs=[('channel_dims', 'input:0'), ('spatial_dims', 'input:0')])