build/lib/tools/test.py

import cv2
import numpy as np
from PIL import Image

# Load the colorful image
image_path = "test.png"
image = cv2.imread(image_path)

gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
gray = cv2.convertScaleAbs(gray, alpha=1.2, beta=20)
gray = cv2.GaussianBlur(gray, (5, 5), 0)
edges = cv2.Canny(gray, 50, 150, apertureSize=3)


cv2.imwrite("new.png", edges)