April 2018
Beginner
552 pages
13h 58m
English
import sys import cv2 import numpy as np
in_file = sys.argv[1] image = cv2.imread(in_file, cv2.IMREAD_GRAYSCALE)
horizontal_sobel = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5) vertical_sobel = cv2.Sobel(image, cv2.CV_64F, 0, 1, ksize=5) laplacian_img = cv2.Laplacian(image, cv2.CV_64F) canny_img = cv2.Canny(image, 30, 200)
cv2.imshow('Original', image)
cv2.imshow('horizontal Sobel', horizontal_sobel)
cv2.imshow('vertical Sobel', vertical_sobel)
cv2.imshow('Laplacian image', laplacian_img)
cv2.imshow('Canny image', canny_img)