source/PaddleOCR/deploy/hubserving/ocr_system/params.py

# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# 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 __future__ import absolute_import
from __future__ import division
from __future__ import print_function


class Config(object):
    pass


def read_params():
    cfg = Config()

    # params for text detector
    cfg.det_algorithm = "DB"
    cfg.det_model_dir = "./inference/PP-OCRv3_mobile_det_infer/"
    cfg.det_limit_side_len = 960
    cfg.det_limit_type = "max"

    # DB params
    cfg.det_db_thresh = 0.3
    cfg.det_db_box_thresh = 0.5
    cfg.det_db_unclip_ratio = 1.6
    cfg.use_dilation = False
    cfg.det_db_score_mode = "fast"

    # EAST params
    cfg.det_east_score_thresh = 0.8
    cfg.det_east_cover_thresh = 0.1
    cfg.det_east_nms_thresh = 0.2

    # params for text recognizer
    cfg.rec_algorithm = "CRNN"
    cfg.rec_model_dir = "./inference/ch_PP-OCRv3_rec_infer/"

    cfg.rec_image_shape = "3, 48, 320"
    cfg.rec_batch_num = 6
    cfg.max_text_length = 25

    cfg.rec_char_dict_path = "./ppocr/utils/ppocr_keys_v1.txt"
    cfg.use_space_char = True

    # params for text classifier
    cfg.use_angle_cls = True
    cfg.cls_model_dir = "./inference/ch_ppocr_mobile_v2.0_cls_infer/"
    cfg.cls_image_shape = "3, 48, 192"
    cfg.label_list = ["0", "180"]
    cfg.cls_batch_num = 30
    cfg.cls_thresh = 0.9

    # Model download URLs using HTTPS for secure transmission
    cfg.det_model_url = "https://paddle-ocr-models.bj.bcebos.com/dygraph_v2.0/ch/ch_pp-ocrv2_det_infer.tar"
    cfg.rec_model_url = "https://paddle-ocr-models.bj.bcebos.com/dygraph_v2.0/ch/ch_pp-ocrv2_rec_infer.tar"
    cfg.cls_model_url = "https://paddle-ocr-models.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_mobile_v2.0_cls_infer.tar"

    cfg.use_pdserving = False
    cfg.use_tensorrt = False
    cfg.drop_score = 0.5

    return cfg