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32 lines
970 B
Python
32 lines
970 B
Python
#!/usr/bin/env python3
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# Copyright 2021 Xiaomi Corp. (authors: Mingshuang Luo)
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#
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# See ../../../../LICENSE for clarification regarding multiple authors
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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 random
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def HorizontalFlip(batch_img, p=0.5):
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# (T, H, W, C)
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if random.random() > p:
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batch_img = batch_img[:, :, ::-1, ...]
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return batch_img
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def ColorNormalize(batch_img):
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batch_img = batch_img / 255.0
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return batch_img
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