营业执照信息识别

python依赖

paddlepaddle==2.3.1
paddleocr==2.5.0.3

python示例

#!/user/bin/env python
# coding=utf-8
import logging

from paddleocr import PaddleOCR


class BusinessLicense:

    def __init__(self, img, **kwargs):
        self.ocr_cls = PaddleOCR(use_angle_cls=kwargs.get("use_angle_cls", True), use_gpu=kwargs.get("use_gpu", False),
                                 lang=kwargs.get("lang", "ch"))
        self.img = img
        self.flag = False

    def verification_credit_code(self, credit_code):
        try:
            if credit_code:
                _sum = 0
                code_dict = {
                    '0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9,
                    'A': 10, 'B': 11, 'C': 12, 'D': 13, 'E': 14, 'F': 15, 'G': 16, 'H': 17, 'J': 18, 'K': 19, 'L': 20,
                    'M': 21,
                    'N': 22, 'P': 23, 'Q': 24,
                    'R': 25, 'T': 26, 'U': 27, 'W': 28, 'X': 29, 'Y': 30}

                weights = ['1', '3', '9', '27', '19', '26', '16', '17', '20', '29', '25', '13', '8', '24', '10', '30',
                           '28']

                for i in range(len(credit_code) - 1):
                    _sum += code_dict[credit_code[i]] * int(weights[i])

                mod = 31 - _sum % 31

                if (mod == code_dict[credit_code[-1]]) or ((mod == 31) and code_dict[credit_code[-1]] == 0):
                    self.flag = True
        except Exception as e:
            logging.error(f'error,e={e.args}')
        return self.flag

    def parse(self):
        credit_code = ""
        company_name = ""
        address = ""
        legal_person = ""
        ocr_result = self.ocr_cls.ocr(self.img, cls=True)
        for i, x in enumerate(ocr_result):
            info = x[-1][0]
            try:
                if info.startswith("统一社会信用代码"):
                    if info == "统一社会信用代码" and i < len(ocr_result) - 1:
                        credit_code = ocr_result[i + 1][-1][0].replace(":", "").replace(":", "").strip()
                    else:
                        credit_code = info.split("统一社会信用代码")[1].strip()
                elif info.startswith("名"):
                    if info == "名" and i < len(ocr_result) - 1:
                        if ocr_result[i + 1][-1][0].startswith("称"):
                            if ocr_result[i + 1][-1][0].strip() == "称":
                                company_name = ocr_result[i + 2][-1][0].replace(":", "").replace(":", "").strip()
                            else:
                                company_name = ocr_result[i + 1][-1][0].replace(":", "").replace(":", "")[1:].strip()
                elif info.startswith("称") and info.endswith("公司"):
                    company_name = info.replace(":", "").replace(":", "")[1:].strip()
                elif info.startswith("名称") and info.endswith("公司"):
                    company_name = info.replace(":", "").replace(":", "")[2:].strip()
                elif info.startswith("住"):
                    if info == "住" and i < len(ocr_result) - 1:
                        if ocr_result[i + 1][-1][0].replace(":", "").replace(":", "").strip() == "所":
                            address = ocr_result[i + 2][-1][0].replace(":", "").replace(":", "").strip()
                        elif ocr_result[i + 1][-1][0].replace(":", "").replace(":", "").strip().startswith("所"):
                            address = ocr_result[i + 1][-1][0].replace(":", "").replace(":", "")[1:].strip()
                    elif info == "住所" and i < len(ocr_result) - 1:
                        address = ocr_result[i + 1][-1][0].replace(":", "").replace(":", "").strip()
                    elif info.startswith("住所"):
                        address = info.split("住所").replace(":", "").replace(":", "").strip()
                elif info.startswith("法定代表人"):
                    if info == "法定代表人":
                        legal_person = ocr_result[i + 1][-1][0].replace(":", "").replace(":", "").strip()
                    else:
                        legal_person = info.replace(":", "").replace(":", "").split("法定代表人")[1].strip()
            except Exception as e:
                logging.error(f'error,e={e.args}')

        return {"company_name": company_name,
                "credit_code": credit_code,
                "address": address,
                "legal_person": legal_person}


img_path = "./zhi.jpeg"
bl = BusinessLicense(img=img_path)
data = bl.parse()
print(data)
print(bl.verification_credit_code(data.get("credit_code")))