Hands-On Edge Analytics with Azure IoT

The Camera script

The Camera script uses the Face class and the Message class to identify a person and send out a message respectively. The Camera script makes use of the OpenCV library.

To create the script, do the following:

1. In Thonny, create a new Python file in the project folder (Smart Doorbell).
2. Copy the following code and save the file as Camera.py:

import cv2from Face import Facefrom Message import Messagefrom time import sleepcap = cv2.VideoCapture(0) text_position = (10, 30)font = cv2.FONT_HERSHEY_SIMPLEXscale = 1colour = (255, 255, 255)face = Face("faces")message = Message()while(True):    ret, frame = cap.read()    name = face.get_name(frame, source_type="video")        if name:        cv2.putText(frame, name, text_position, font, scale, \ colour) ...