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.front.caffe.extractors.utils import embed_input, weights_biases
20 from mo.front.common.partial_infer.elemental import copy_shape_infer
21 from mo.utils.utils import NamedAttrsClass
24 def scale_ext(pl, ml):
25 param = pl.scale_param
30 'infer': copy_shape_infer
32 if ml is None and len(pl.bottom) == 1:
33 # default weights and biases for scale layer if the caffemodel file doesn't contain them
34 ml = NamedAttrsClass({'blobs': np.array([NamedAttrsClass({'data': np.array([1])}),
35 NamedAttrsClass({'data': np.array([0])})])})
36 # scale with 1 input and 1 or 2 blobs
37 if ml and len(ml.blobs) != 0 and len(pl.bottom) == 1:
38 attrs.update(weights_biases(param.bias_term, ml))
40 elif len(pl.bottom) == 2 and param.bias_term:
41 if ml is None or len(ml.blobs) == 0:
42 # default bias for scale layer with 2 inputs if the caffemodel file doesn't contain them
43 ml = NamedAttrsClass({'blobs': np.array([NamedAttrsClass({'data': np.array([0])})])})
45 embed_input(attrs, 1, 'biases', ml.blobs[0].data)