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核酸结果统计难？复旦博士生的操作火了https://m.gmw.cn/baijia/2022-04/08/35644611.html

1 程序背景

学校要收核酸截图，汇总太麻烦了，故将OCR整合到数据中。

1.1 命名规范

20200250202003曹文举4.12阴性.jpg

1.2 EasyOCR

easyOCRhttps://github.com/JaidedAI/EasyOCR

pip install easyocr

2 程序

import timeit
import xlsxwriter
import cv2 as cv
import numpy as np
import os
import easyocr
import re
os.environ['KMP_DUPLICATE_LIB_OK'] = 'True'def load_file_name(file_name):# file_name = "201902811221邱江4.12阴性.jpg"file_result_date_no = re.findall(r"\d+", file_name)no = file_result_date_no[0]date = '2022-0' + file_result_date_no[1] + '-' + file_result_date_no[2]file_result_name_name_check = re.findall('[\u4e00-\u9fa5]', file_name)# print(file_result_name_name_check)check = file_result_name_name_check[len(file_result_name_name_check)-2] +file_result_name_name_check[len(file_result_name_name_check)-1] # 检测结果up = len(file_result_name_name_check)-2name = ''for i in range(up):name = name + file_result_name_name_check[i]# print("姓名：",name)# print("日期：",date)# print("学号：",no)# print("结果：",check)return name,date,no,checkdef load_image(path,name,date,check):# coding=utf-8# 当前目录读取一张图片,转化为灰色img = cv.imdecode(np.fromfile(path, dtype=np.uint8), 0)reader = easyocr.Reader(['ch_sim', 'en'])result = reader.readtext(img)# 拼接单个图片的识别结果result_str = ''for i in result :result_str = result_str+i[1]# print("包含无关文字：", result_str)temp = re.sub('[a-zA-Z]', '', result_str)# print("去掉无关文字：",temp)a = temp.find("若上述")result = temp[0:a]# print(result)# print("消除无用信息：",result)result = result.replace('\n', '')  # 去掉换行符result = result.replace(' ', '')  # 去掉空格result = result.replace(':', '')  # 去掉-result = result.replace('：', '')  # 去掉-result = result.replace("核酸检测结果为","")result = result.replace("核酸检测结果","")# print(result)# 姓名校正if result.find(name) == -1:# print("识别失败")name_ocr = "识别失败"check_ocr = "字体原因识别失败"else:# print("名字校正成功：",name)# name_ocr = namename_ocr = "姓名正确"# 阴性与阳性if result.find(check) == -1:# print("识别失败")check_ocr = "字体原因识别失败/"else:# print("识别结果与文件核酸结果相同")check_ocr = "核酸结果一致"result = result.replace('阴性', '')result = result.replace('阳性', '')# 检测机构if result.find("检测机构") == -1:# print("识别失败")organization_ocr = "字体原因识别失败"check_ocr = "字体原因识别失败/"else:index = result.find("检测机构")# print("检测机构:",result[index+4:])organization_ocr = result[index+4:]result = result[0:index]# 核酸检测时间if result.find("检测时间") == -1:date_ocr = "字体原因识别失败"check_ocr = "字体原因识别失败/"# print("识别失败")else:index = result.find("检测时间")# print("检测时间：",result[index + 4:])date_ocr = result[index + 4:]if date_ocr == date:date_ocr = "检测时间正确"result = result[0:index - 1]return name_ocr,check_ocr,organization_ocr,date_ocr# 读取函数，用来读取文件夹中的所有函数，输入参数是文件名
def read_directory(directory_name):for filename in os.listdir(directory_name):for filename_1 in os.listdir(directory_name+"/"+filename):# print(filename_1)  # 仅仅是为了测试name,date,no,check = load_file_name(filename_1)path = directory_name + "/" + filename+"/"+filename_1name_ocr,check_ocr,organization_ocr,date_ocr = load_image(path,name,date,check)print("提交数据：",name,date,check,no)print("OCR数据：",name_ocr,date_ocr,check_ocr,organization_ocr)result_list = [name,date,check,no,name_ocr,date_ocr,check_ocr,organization_ocr]result_list_total.append(result_list)if __name__ == '__main__':start = timeit.default_timer()# 保存excelresult_list_total=[["姓名","日期","核算结果","学号","姓名校对","时间校对","核酸状态校对","核酸医院"]]read_directory("./imge")#这里传入所要读取文件夹的绝对路径，加引号（引号不能省略！）# xlsxwriter只可以新建一个excel，不可以读取和更新# 创建一个workbook 和增加一个worksheet，默认为sheet1...，也可以直接为sheet命名，例如下边的testworkbook = xlsxwriter.Workbook('./data.xlsx')# 添加 sheetworksheet = workbook.add_worksheet("elite")  # 下方Sheet名worksheet.set_column(0,len(result_list_total),18) #全部列宽为18# 测试数据result_list_total = tuple(result_list_total)print(result_list_total)# 从首行、首列开始.row = 0col = 0# 通过迭代写入数据.for name,date,check,no,name_ocr,date_ocr,check_ocr,organization_ocr in (result_list_total):worksheet.write(row, col,     name)worksheet.write(row, col + 1, date)worksheet.write(row, col + 2, check)worksheet.write(row, col + 3, no)worksheet.write(row, col + 4, name_ocr)worksheet.write(row, col + 5, date_ocr)worksheet.write(row, col + 6, check_ocr)worksheet.write(row, col + 7, organization_ocr)row += 1# 只有此函数才可以生成excelworkbook.close()#中间写上代码块end = timeit.default_timer()print('一共耗时 %s 秒'%(end-start))total = len(result_list_total)print("处理完毕，共处理 %s 条学生信息"%total)

3 结果