Answers for "text image thresholding"

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text image thresholding

import cv2
import numpy as np
import matplotlib.pylab as plt

## Simple Otsu over hue
six = cv2.imread('7zovC.jpg')

##convert to hsv
hsv = cv2.cvtColor(six, cv2.COLOR_BGR2HSV)
hue = hsv[:, :, 0]

binary_img = cv2.threshold(hue, 128, 255, cv2.THRESH_OTSU)

plt.figure()
plt.imshow(binary_img*255)
plt.show()

Posted by: Guest on May-21-2021

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