我有一张图片(附加)并想从表单中提取某些字段。例如名字“莎拉”、她的电子邮件地址等。我有感兴趣的区域,它被突出显示,然后被裁剪。出于某种原因,我从图像到字符串的输出显示为空?
所需的输出应提取数据。请有人能指出我正确的方向吗?我正在关注这个很棒的上下文教程:https ://www.youtube.com/watch?v=cUOcY9ZpKxw
['', '', '', '', '', '']
下面的代码:
import cv2
import numpy as np
import pytesseract
import os
pytesseract.pytesseract.tesseract_cmd = r'Tesseract-OCR\tesseract.exe'
imgQ = cv2.imread('sarah.png')
#cv2.imshow('output',imgQ)
#cv2.waitKey(0)
roi = [[(98, 984), (680, 1074), 'text', 'Name'],
[(740, 980), (1320, 1078), 'text', 'Phone'],
[(100, 1418), (686, 1518), 'text', 'Email'],
[(740, 1416), (1318, 1512), 'text', 'ID'],
[(110, 1598), (676, 1680), 'text', 'City'],
[(748, 1592), (1328, 1686), 'text', 'Country']]
myData=[]
for x,r in enumerate(roi):
#highlighted the regions
cv2.rectangle(imgQ, (r[0][0],r[0][1]),(r[1][0],r[1][1]),(0,255,0),cv2.FILLED)
imgShow = cv2.addWeighted(imgQ,0.99,imgQ,0.1,0)
#crop regions
imgCrop = imgShow[r[0][1]:r[1][1], r[0][0]:r[1][0]]
cv2.imshow(str(x),imgCrop)
if r[2] == 'text':
print('{} :{}'.format(r[3],pytesseract.image_to_string(imgCrop)))
myData.append(pytesseract.image_to_string(imgCrop))
print(myData)