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.
19 from mo.graph.graph import Node
22 def multi_box_prior_infer_mxnet(node: Node):
23 img_shape = node.in_node(1).shape
24 data_shape = node.in_node(0).shape
25 num_ratios = len(node.aspect_ratio)
28 node.step = img_shape[2] * node.step
30 node.step = img_shape[2] / data_shape[2]
31 node.min_size = [ms * img_shape[2] for ms in node.min_size]
33 num_priors = len(node.min_size) + num_ratios - 1
34 node.out_node(0).shape = np.array([1, 2, data_shape[2] * data_shape[3]*num_priors*4], dtype=np.int64)