utility.py

# 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.

from PIL import Image
import numpy as np
from tools.infer.utility import draw_ocr_box_txt, init_args as infer_args


def init_args():
    parser = infer_args()

    # params for output
    parser.add_argument("--output", type=str, default='./output/table')
    # params for table structure
    parser.add_argument("--structure_max_len", type=int, default=488)
    parser.add_argument("--structure_max_text_length", type=int, default=100)
    parser.add_argument("--structure_max_elem_length", type=int, default=800)
    parser.add_argument("--structure_max_cell_num", type=int, default=500)
    parser.add_argument("--structure_model_dir", type=str)
    parser.add_argument("--structure_char_type", type=str, default='en')
    parser.add_argument("--structure_char_dict_path", type=str, default="../ppocr/utils/dict/table_structure_dict.txt")

    # params for layout detector
    parser.add_argument("--layout_model_dir", type=str)
    return parser


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


def draw_result(image, result, font_path):
    if isinstance(image, np.ndarray):
        image = Image.fromarray(image)
    boxes, txts, scores = [], [], []
    for region in result:
        if region['type'] == 'Table':
            pass
        elif region['type'] == 'Figure':
            pass
        else:
            for box, rec_res in zip(region['res'][0], region['res'][1]):
                boxes.append(np.array(box).reshape(-1, 2))
                txts.append(rec_res[0])
                scores.append(rec_res[1])
    im_show = draw_ocr_box_txt(image, boxes, txts, scores, font_path=font_path,drop_score=0)
    return im_show