Face Detection

Author: keshavsingh4522

Linkedin/Opencv/Face Detection/face_detect.py

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+# Face detection
+import numpy as np
+import cv2
+img=cv2.imread('faces.jpeg')
+
+rimg=cv2.resize(img,(img.shape[0]//3,img.shape[1]//5),interpolation=cv2.INTER_AREA)
+gray=cv2.cvtColor(rimg,cv2.COLOR_BGR2GRAY)
+
+path='haarcascade_frontalface_default.xml'
+
+face_cascade=cv2.CascadeClassifier(path)
+faces=face_cascade.detectMultiScale(gray,scaleFactor=1.25,minSize=(40,40))
+
+for (x,y,w,h) in faces:
+    cv2.rectangle(rimg,(x,y),(x+w,y+h),(0,255,0),1)
+cv2.imshow('Img',rimg)
+
+cv2.waitKey(0)
+cv2.destroyAllWindows()