You've already forked DataMate
36 lines
950 B
Python
36 lines
950 B
Python
# # -- encoding: utf-8 --
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#
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# Description:
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# Create: 2024/1/30 15:24
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# """
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import time
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from typing import Dict, Any
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import cv2
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import numpy as np
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from loguru import logger
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from datamate.common.utils import numpy_to_bytes
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from datamate.core.base_op import Mapper
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class ImgFormatter(Mapper):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]:
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start = time.time()
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file_name = sample[self.filename_key]
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file_type = "." + sample[self.filetype_key]
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file_path = sample[self.filepath_key]
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img_data = _img_extract(file_path)
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sample[self.data_key] = numpy_to_bytes(img_data, file_type)
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logger.info(f"fileName: {file_name}, method: ImgExtract costs {(time.time() - start):6f} s")
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return sample
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def _img_extract(file_path):
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return cv2.imdecode(np.fromfile(file_path, dtype=np.uint8), -1)
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