python opencv3 向图像里写字

git：https://github.com/linyi0604/Computer-Vision

复制代码 1 # coding:utf-8 2 3 import cv2 4 5 img = cv2.imread("../data/mm1.jpg", cv2.IMREAD_GRAYSCALE) 6 7 img = cv2.putText(img, "hello world!", (50, 50), cv2.FONT_HERSHEY_SIMPLEX, 1.2, (0, 255, 0), 2) 8 """ 9 cv2.putText(图像, 文字, (x, y), 字体, 大小, (b, g, r), 宽度) 10 """ 11 12 cv2.imshow("", img) 13 cv2.waitKey() 14 cv2.destroyAllWindows()

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# coding:utf-8

import cv2

img = cv2.imread("../data/mm1.jpg", cv2.IMREAD_GRAYSCALE)

img = cv2.putText(img, "hello world!", (50, 50), cv2.FONT_HERSHEY_SIMPLEX, 1.2, (0, 255, 0), 2)
"""
cv2.putText(图像, 文字, (x, y), 字体, 大小, (b, g, r), 宽度)
"""

cv2.imshow("", img)
cv2.waitKey()
cv2.destroyAllWindows()