This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import cv2 | |
image = cv2.imread('test.jpg') | |
overlay = image.copy() | |
x, y, w, h = 10, 10, 10, 10 # Rectangle parameters | |
cv2.rectangle(overlay, (x, y), (x+w, y+h), (0, 200, 0), -1) # A filled rectangle | |
alpha = 0.4 # Transparency factor. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
from __future__ import print_function | |
import multiprocessing | |
import ctypes | |
import numpy as np | |
def shared_array(shape): | |
""" | |
Form a shared memory numpy array. | |