我正在使用python 3.x并使用以下代码将图像转换为文本：
from PIL import Image
from pytesseract import image_to_string
image = Image.open('image.png', mode='r')
print(image_to_string(image))
我收到以下错误：
Traceback (most recent call last):
File "C:/Users/hp/Desktop/GII/Image_to_text.py", line 12, in <module>
print(image_to_string(image))
File "C:\Users\hp\Downloads\WinPython-64bit-3.5.1.2\python-3.5.1.amd64\lib\site-packages\pytesseract\pytesseract.py", line 161, in image_to_string
config=config)
File "C:\Users\hp\Downloads\WinPython-64bit-3.5.1.2\python-3.5.1.amd64\lib\site-packages\pytesseract\pytesseract.py", line 94, in run_tesseract
stderr=subprocess.PIPE)
File "C:\Users\hp\Downloads\WinPython-64bit-3.5.1.2\python-3.5.1.amd64\lib\subprocess.py", line 950, in __init__
restore_signals, start_new_session)
File "C:\Users\hp\Downloads\WinPython-64bit-3.5.1.2\python-3.5.1.amd64\lib\subprocess.py", line 1220, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
请注意，我已将图像放在存在python的同一目录中。也不会引发错误，image = Image.open('image.png', mode='r')但会引发错误print(image_to_string(image))。
知道这里可能有什么问题吗？谢谢
您必须已经tesseract安装并且可以访问。
据消息人士称，pytesseract这只是一个包装，用于subprocess.Popen将tesseract二进制文件作为运行的二进制文件。它本身不执行任何类型的OCR。
来源的相关部分：
def run_tesseract(input_filename, output_filename_base, lang=None, boxes=False, config=None):
'''
runs the command:
`tesseract_cmd` `input_filename` `output_filename_base`
returns the exit status of tesseract, as well as tesseract's stderr output
'''
command = [tesseract_cmd, input_filename, output_filename_base]
if lang is not None:
command += ['-l', lang]
if boxes:
command += ['batch.nochop', 'makebox']
if config:
command += shlex.split(config)
proc = subprocess.Popen(command,
stderr=subprocess.PIPE)
return (proc.wait(), proc.stderr.read())
引用另一部分来源：
# CHANGE THIS IF TESSERACT IS NOT IN YOUR PATH, OR IS NAMED DIFFERENTLY
tesseract_cmd = 'tesseract'
因此，更改tesseract路径的快速方法是：
import pytesseract
pytesseract.tesseract_cmd = "/absolute/path/to/tesseract" # this should be done only once
pytesseract.image_to_string(img)
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