How to Find Connected Components in OpenCV?

 To find the connected components in OpenCV, you can use the cv2.connectedComponents() function. This function takes a binary image as input and returns a labeled image and the number of labels (connected components) found in the input image.

Here is an example code snippet that demonstrates how to use cv2.connectedComponents(): 

 

import cv2
import numpy as np

# Read in the input image
img = cv2.imread('input_image.png', 0)

# Threshold the image to obtain a binary image
_, binary_img = cv2.threshold(img, 0, 255, cv2.THRESH_BINARY+cv2.THRESH_OTSU)

 

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