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28 lines
940 B
28 lines
940 B
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import numpy as np |
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import cv2 |
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from io import BytesIO |
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def resize_by_max(image, max_side=512, force=False): |
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h, w = image.shape[:2] |
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if max(h, w) < max_side and not force: |
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return image |
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ratio = max(h, w) / max_side |
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w = int(w / ratio + 0.5) |
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h = int(h / ratio + 0.5) |
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return cv2.resize(image, (w, h))
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