utility.py 3.9 KB
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# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

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import ast
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from PIL import Image
import numpy as np
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from tools.infer.utility import draw_ocr_box_txt, str2bool, init_args as infer_args
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def init_args():
    parser = infer_args()

    # params for output
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    parser.add_argument("--output", type=str, default='./output')
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    # params for table structure
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    parser.add_argument("--table_max_len", type=int, default=488)
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    parser.add_argument("--table_algorithm", type=str, default='TableAttn')
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    parser.add_argument("--table_model_dir", type=str)
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    parser.add_argument(
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        "--merge_no_span_structure", type=str2bool, default=True)
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    parser.add_argument(
        "--table_char_dict_path",
        type=str,
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        default="../ppocr/utils/dict/table_structure_dict_ch.txt")
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    # params for layout
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    parser.add_argument("--layout_model_dir", type=str)
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    parser.add_argument(
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        "--layout_dict_path",
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        type=str,
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        default="../ppocr/utils/dict/layout_dict/layout_publaynet_dict.txt")
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    parser.add_argument(
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        "--layout_score_threshold",
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        type=float,
        default=0.5,
        help="Threshold of score.")
    parser.add_argument(
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        "--layout_nms_threshold",
        type=float,
        default=0.5,
        help="Threshold of nms.")
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    # params for kie
    parser.add_argument("--kie_algorithm", type=str, default='LayoutXLM')
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    parser.add_argument("--ser_model_dir", type=str)
    parser.add_argument(
        "--ser_dict_path",
        type=str,
        default="../train_data/XFUND/class_list_xfun.txt")
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    # need to be None or tb-yx
    parser.add_argument("--ocr_order_method", type=str, default=None)
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    # params for inference
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    parser.add_argument(
        "--mode",
        type=str,
        default='structure',
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        help='structure and kie is supported')
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    parser.add_argument(
        "--image_orientation",
        type=bool,
        default=False,
        help='Whether to enable image orientation recognition')
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    parser.add_argument(
        "--layout",
        type=str2bool,
        default=True,
        help='Whether to enable layout analysis')
    parser.add_argument(
        "--table",
        type=str2bool,
        default=True,
        help='In the forward, whether the table area uses table recognition')
    parser.add_argument(
        "--ocr",
        type=str2bool,
        default=True,
        help='In the forward, whether the non-table area is recognition by ocr')
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    # param for recovery
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    parser.add_argument(
        "--recovery",
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        type=str2bool,
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        default=False,
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        help='Whether to enable layout of recovery')
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    parser.add_argument(
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        "--save_pdf",
        type=str2bool,
        default=False,
        help='Whether to save pdf file')

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    return parser


def parse_args():
    parser = init_args()
    return parser.parse_args()


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def draw_structure_result(image, result, font_path):
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    if isinstance(image, np.ndarray):
        image = Image.fromarray(image)
    boxes, txts, scores = [], [], []
    for region in result:
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        if region['type'] == 'table':
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            pass
        else:
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            for text_result in region['res']:
                boxes.append(np.array(text_result['text_region']))
                txts.append(text_result['text'])
                scores.append(text_result['confidence'])
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    im_show = draw_ocr_box_txt(
        image, boxes, txts, scores, font_path=font_path, drop_score=0)
    return im_show