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58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
# Copyright (c) 2020 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 time
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import numpy as np
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from .utils import (OrtInferSession, TableLabelDecode, TablePreprocess)
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class TableStructurer():
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def __init__(self, model_path: str):
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self.preprocess_op = TablePreprocess()
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self.session = OrtInferSession(model_path)
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self.character = self.session.get_metadata()
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self.postprocess_op = TableLabelDecode(self.character)
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def __call__(self, img):
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starttime = time.time()
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data = {'image': img}
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data = self.preprocess_op(data)
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img = data[0]
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if img is None:
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return None, 0
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img = np.expand_dims(img, axis=0)
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img = img.copy()
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outputs = self.session(img)
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preds = {
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'loc_preds': outputs[0],
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'structure_probs': outputs[1]
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}
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shape_list = np.expand_dims(data[-1], axis=0)
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post_result = self.postprocess_op(preds, [shape_list])
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bbox_list = post_result['bbox_batch_list'][0]
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structure_str_list = post_result['structure_batch_list'][0]
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structure_str_list = structure_str_list[0]
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structure_str_list = [
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'<html>', '<body>', '<table>'
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] + structure_str_list + ['</table>', '</body>', '</html>']
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elapse = time.time() - starttime
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return (structure_str_list, bbox_list), elapse
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