tesseract-ocrHow can I use Python to get the coordinates of words detected by Tesseract OCR?

The Tesseract OCR library has a Python wrapper that can be used to get the coordinates of words detected by Tesseract OCR. The pytesseract library provides a method image_to_data which can be used to get the coordinates of the words detected by Tesseract OCR.

Example code

import pytesseract
from PIL import Image

# Read the image
img = Image.open('image.png')

# Get the word coordinates
data = pytesseract.image_to_data(img)
print(data)

Output example

level   page_num    block_num   par_num line_num    word_num    left    top width   height  conf    text
1   1   0   0   0   0   0   0   0   0   -1
2   1   1   0   0   0   162 51  622 66  -1
3   1   1   1   0   0   162 51  622 66  95
4   1   1   1   1   0   162 51  44  66  95  This
4   1   1   1   1   1   212 51  90  66  95  is
4   1   1   1   1   2   312 51  52  66  95  a
4   1   1   1   1   3   372 51  81  66  95  test
4   1   1   1   1   4   468 51  53  66  95  image

The output contains the coordinates for each word detected. The left and top columns contain the x and y coordinates of the top left corner of the word, respectively. The width and height columns contain the width and height of the word, respectively.

Code explanation

• import pytesseract: imports the pytesseract library
• from PIL import Image: imports the Image class from the PIL library
• img = Image.open('image.png'): reads the image
• data = pytesseract.image_to_data(img): gets the coordinates of the words detected by Tesseract OCR
• print(data): prints the coordinates of the words detected

Helpful links

• pytesseract documentation
• Pillow documentation

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