pytesseract windows 安裝教學

pytesseract 安裝教學

pip install pytesseract

pytesseract 函數庫

https://github.com/UB-Mannheim/tesseract/wiki

依據電腦系統規格下載適合的函數庫

環境變數設定 → 本機 → 內容 → 進階系統設定 → 環境變數 → 系統變數 → path → 添加路徑(以安裝位置為主) C:\Program Files\Tesseract-OCR

# 辨識教學範本
import pytesseract
import pyautogui
import cv2

pytesseract.pytesseract.tesseract_cmd = r'C:\Program Files\Tesseract-OCR\tesseract.exe'
config = '--psm 8 --oem 3 -c tessedit_char_whitelist=0123456789'
pyautogui.screenshot(r'C:\Users\jojo\Desktop\1235.png',region=(82, 271, 39 ,16))

img = cv2.imread(r"C:\Users\jojo\Desktop\1235.png")
orc = pytesseract.image_to_string(img, config=config)
print(orc) # 印出辨識的文字

#   config 參數
#   0    Orientation and script detection (OSD) only.
#   1    Automatic page segmentation with OSD.
#   2    Automatic page segmentation, but no OSD, or OCR.
#   3    Fully automatic page segmentation, but no OSD. (Default)
#   4    Assume a single column of text of variable sizes.
#   5    Assume a single uniform block of vertically aligned text.
#   6    Assume a single uniform block of text.
#   7    Treat the image as a single text line.
#   8    Treat the image as a single word.
#   9    Treat the image as a single word in a circle.
#  10    Treat the image as a single character.
#  11    Sparse text. Find as much text as possible in no particular order.
#  12    Sparse text with OSD.
#  13    Raw line. Treat the image as a single text line, bypassing hacks that are Tesseract-specific.