recognize text using opencv in python

To recognize text using OpenCV in Python, you can follow these steps:

1. Load the image using cv2.imread()
2. Preprocess the image by converting it to grayscale using cv2.cvtColor() and applying threshold using cv2.threshold()
3. Apply OCR (Optical Character Recognition) using a library like Pytesseract or OCRopus

Here is the sample code to recognize text using Pytesseract:

main.py
import cv2
import pytesseract

# Load image
image = cv2.imread('text_image.png')

# Preprocess image
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
gray = cv2.threshold(gray, 0, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU)[1]

# Apply OCR
text = pytesseract.image_to_string(gray, lang='eng')

print(text)
302 chars
15 lines

The image_to_string() function of Pytesseract takes the preprocessed image and returns the recognized text. The lang parameter is used to specify the language of the text.