cv2-rgb
copied
junjie.jiangjjj
3 years ago
1 changed files with 28 additions and 32 deletions
@ -1,60 +1,56 @@ |
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# Copyright 2021 Zilliz. 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 logging |
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# encoding=utf-8 |
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from collections import namedtuple |
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import cv2 |
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import requests |
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import numpy as np |
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from towhee.types import Image |
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from towhee.operator import PyOperator, SharedType |
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from towhee import register |
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from towhee.operator import PyOperator, OperatorFlag |
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from towhee._types import Image |
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from towhee.utils import ndarray_utils |
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from towhee.utils.log import engine_log |
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log = logging.getLogger() |
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@register( |
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input_schema=[(str, (-1,))], |
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output_schema=[(Image, (-1, -1, 3))] |
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) |
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class ImageDecoder(PyOperator): |
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def __init__(self): |
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super().__init__() |
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@register(output_schema=['img'], |
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flag=OperatorFlag.STATELESS | OperatorFlag.REUSEABLE) |
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class ImageDecodeCV2(PyOperator): |
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@staticmethod |
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def _load_from_remote(image_url: str) -> np.ndarray: |
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try: |
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r = requests.get(image_url, timeout=(20, 20)) |
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if r.status_code // 100 != 2: |
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log.error('Download image from %s failed, error msg: %s, request code: %s ', |
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image_url, r.text, r.status_code) |
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engine_log.error('Download image from %s failed, error msg: %s, request code: %s ' % (image_url, |
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r.text, |
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r.status_code)) |
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return None |
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arr = np.asarray(bytearray(r.content), dtype=np.uint8) |
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return cv2.imdecode(arr, -1) |
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except Exception as e: |
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log.error('Download image from %s failed, error msg: %s', image_url, str(e)) |
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engine_log.error('Download image from %s failed, error msg: %s' % (image_url, str(e))) |
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return False |
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@staticmethod |
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def _load_from_local(image_path: str) -> np.ndarray: |
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return cv2.imread(image_path) |
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def __call__(self, image_path: str): |
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if image_path.startswith('http'): |
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bgr_cv_image = ImageDecodeCV2._load_from_remote(image_path) |
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bgr_cv_image = ImageDecoder._load_from_remote(image_path) |
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else: |
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bgr_cv_image = ImageDecodeCV2._load_from_local(image_path) |
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bgr_cv_image = ImageDecoder._load_from_local(image_path) |
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if bgr_cv_image is None: |
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err = 'Read image %s failed' % image_path |
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log.error(err) |
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engine_log.error(err) |
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raise RuntimeError(err) |
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rgb = cv2.cvtColor(bgr_cv_image, cv2.COLOR_BGR2RGB) |
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return Image(rgb, 'RGB') |
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rgb_cv_image = cv2.cvtColor(bgr_cv_image, cv2.COLOR_BGR2RGB) |
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return ndarray_utils.from_ndarray(rgb_cv_image, 'RGB') |
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@property |
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def shared_type(self): |
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return SharedType.Shareable |
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