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import cv2
import numpy as np
# Load the image (assuming it's a binary image with edges)
image = cv2.imread('path/to/edge_detected_image.jpg', cv2.IMREAD_GRAYSCALE)
# Apply morphological operations to clean up the edges
kernel = np.ones((5, 5), np.uint8)
closed_image = cv2.morphologyEx(image, cv2.MORPH_CLOSE, kernel)
# Find contours in the closed image
contours, _ = cv2.findContours(closed_image, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
# Create a mask for the exterior contours
mask = np.zeros_like(image)
cv2.drawContours(mask, contours, -1, (255), thickness=cv2.FILLED)
# Apply the mask to the original image to get only the exterior edges
exterior_edges = cv2.bitwise_and(image, mask)
# Display the result or save it to a file
cv2.imshow('Exterior Edges', exterior_edges)
cv2.waitKey(0)
cv2.destroyAllWindows()
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