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22d91a73c6
* init simple serving * simple serving is working * ppyoloe demo * Update README_CN.md * update readme * complete vision result to json
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
# coding:utf-8
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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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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 contextlib
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import base64
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import numpy as np
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import cv2
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@contextlib.contextmanager
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def lock_predictor(lock):
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lock.acquire()
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try:
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yield
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finally:
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lock.release()
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def cv2_to_base64(image):
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data = cv2.imencode('.jpg', image)[1]
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return base64.b64encode(data.tobytes()).decode('utf8')
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def base64_to_cv2(b64str):
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data = base64.b64decode(b64str.encode('utf8'))
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data = np.fromstring(data, np.uint8)
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data = cv2.imdecode(data, cv2.IMREAD_COLOR)
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return data
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