ComputerVision/OpenCV Notes/Notes/Basics/face_recognition.py
2021-09-26 16:24:06 -04:00

30 lines
1.1 KiB
Python

import numpy as np
import cv2 as cv
haar_cascade = cv.CascadeClassifier('haar_face.xml')
people = ['Ben Afflek', 'Elton John', 'Jerry Seinfield', 'Madonna', 'Mindy Kaling'] # can manually type it
# features = np.load('features.npy', allow_pickle = True)
# labels = np.load('labels.npy')
face_recognizer = cv.face.LBPHFaceRecognizer_create()
face_recognizer.read('face_trained.yml') # trained data
img = cv.imread(r'C:\Users\user\projects\git\opencv-course\Resources\Faces\val\ben_afflek\5.jpg') # validation
gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
cv.imshow('Person', gray)
# Detect the face in the image
faces_rect = haar_cascade.detectMultiScale(gray, 1.1, 4)
for (x,y,w,h) in faces_rect:
faces_roi = gray[y:y+h, x:x+h]
label, confidence = face_recognizer.predict(faces_roi)
print(f'Label = {people[label]} with a confidence of {confidence}')
cv.putText(img, str(people[label]), (20,20), cv.FONT_HERSHEY_COMPLEX, 1.0, (0, 255, 0), thickness = 2)
cv.rectangle (img, (x,y), (x+w,y+h), (0,255,0), thickness = 2)
cv.imshow('Detected Face', img)
cv.waitKey(0)