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.common.partial_infer.utils import int64_array
20 from mo.front.extractor import FrontExtractorOp
21 from mo.front.onnx.extractors.utils import onnx_attr
22 from mo.ops.crop import Crop
25 class CropFrontExtractor(FrontExtractorOp):
31 # borders: leftBorder, topBorder, rightBorder, bottomBordes
32 borders = onnx_attr(node, 'border', 'ints', default=None, dst_type=int64_array)
33 scale = onnx_attr(node, 'scale', 'ints', default=None, dst_type=int64_array)
35 # Crop reference: https://github.com/onnx/onnx/blob/master/docs/Operators.md#Crop
37 log.error('ONNX Crop layer {} should take exactly 4 borders instead of {}'.format(node.name, len(borders)))
40 attrs = {'axis': int64_array([2, 3])}
44 'offset': int64_array([borders[1], borders[0]])
48 'crop_begin': int64_array([borders[1], borders[0]]),
49 'crop_end': int64_array([borders[3], borders[2]])
52 Crop.update_node_stat(node, attrs)
53 return CropFrontExtractor.enabled