Show image of faces with red rectangle from cognitive services.

mission_mars_cognitive_face.py

import cognitive_face as CF
import requests
from io import BytesIO
from PIL import Image, ImageDraw

def getRectangle(faceDictionary):
    rect = faceDictionary['faceRectangle']
    left = rect['left']
    top = rect['top']
    bottom = top + rect['height']
    right = left + rect['width']
    return ((left, top), (right, bottom))

KEY = 'your_key'  # Replace with a valid subscription key (keeping the quotes in place).
CF.Key.set(KEY)  # You can use this example JPG or replace the URL below with your own URL to a JPEG image.
# If you need to you can change your base api url with:
#CF.BaseUrl.set('https://westcentralus.api.cognitive.microsoft.com/face/v1.0/')

img_url = 'https://aka.ms/fourthhorizoncrewphoto'
faces = CF.face.detect(img_url)

print(faces)

response = requests.get(img_url)
img = Image.open(BytesIO(response.content))

draw = ImageDraw.Draw(img)
for face in faces:
    draw.rectangle(getRectangle(face), outline='red')

img.show()