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.
22 from mo.front.extractor import attr_getter
23 from mo.graph.graph import Node, Graph
24 from mo.ops.op import Op
27 class SimplerNMSOp(Op):
30 def __init__(self, graph: Graph, attrs: dict):
36 'infer': SimplerNMSOp.simplernms_infer
38 super().__init__(graph, mandatory_props, attrs)
40 def supported_attrs(self):
52 def backend_attrs(self):
61 ('scale', lambda node: attr_getter(node, 'scale'))
65 def simplernms_infer(node: Node):
67 Sets shape of output node according to specified param of post_nms_topn
68 and number of the following params: [is_obj, x, y, w, h]
74 if node.feat_stride != 16:
75 log.error("SimplerNMS layer doesn't support other feat_stride value that 16")
79 for i in range(0, len(node.scale)):
80 scale_list.append(str(node.scale[i]))
82 node.scale = scale_list
84 node.out_node().shape = np.array([node.post_nms_topn, 5])