From e65971af1c75bf02e07cedeb0f1a66dc9e1a1690 Mon Sep 17 00:00:00 2001
From: Saumit Dinesan <justsaumit@protonmail.com>
Date: Sat, 18 Mar 2023 17:10:53 +0530
Subject: Adding face capture,training,recognition script

---
 face-detection/03_face_recogition.py | 67 ++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 face-detection/03_face_recogition.py

(limited to 'face-detection/03_face_recogition.py')

diff --git a/face-detection/03_face_recogition.py b/face-detection/03_face_recogition.py
new file mode 100644
index 0000000..e0da838
--- /dev/null
+++ b/face-detection/03_face_recogition.py
@@ -0,0 +1,67 @@
+import cv2
+import numpy as np
+import os 
+recognizer = cv2.face.LBPHFaceRecognizer_create()
+recognizer.read('trainer/trainer.yml')
+cascadePath = "haarcascade_frontalface_default.xml"
+faceCascade = cv2.CascadeClassifier(cascadePath);
+font = cv2.FONT_HERSHEY_COMPLEX
+#font = cv2.FONT_HERSHEY_TRIPLEX
+id = 0
+# names related to id
+names = ['None', 'Obamna', 'Soda', 'Orange'] 
+# Initialize and start realtime video capture
+cam = cv2.VideoCapture(0)
+cam.set(3, 640) # set video widht
+cam.set(4, 480) # set video height
+# Define min window size to be recognized as a face
+minW = 0.1*cam.get(3)
+minH = 0.1*cam.get(4)
+while True:
+    ret, img =cam.read()
+    gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
+    
+    faces = faceCascade.detectMultiScale( 
+        gray,
+        scaleFactor = 1.2,
+        minNeighbors = 5,
+        minSize = (int(minW), int(minH)),
+       )
+    for(x,y,w,h) in faces:
+        cv2.rectangle(img, (x,y), (x+w,y+h), (0,255,0), 2)
+        id, confidence = recognizer.predict(gray[y:y+h,x:x+w])
+        
+        # If confidence is less them 100 ==> "0" : perfect match 
+        if (confidence < 100):
+            id = names[id]
+            confidence = "  {0}%".format(round(100 - confidence))
+        else:
+            id = "unknown"
+            confidence = "  {0}%".format(round(100 - confidence))
+        
+        cv2.putText(
+                    img, 
+                    str(id), 
+                    (x+5,y-5), 
+                    font, 
+                    1, 
+                    (255,255,255), 
+                    2
+                   )
+        cv2.putText(
+                    img, 
+                    str(confidence), 
+                    (x+5,y+h-5), 
+                    font, 
+                    1, 
+                    (255,255,0), 
+                    1
+                   )  
+    
+    cv2.imshow('camera',img) 
+    k = cv2.waitKey(10) & 0xff # Press 'ESC' for exiting video
+    if k == 27:
+        break
+print("\n [INFO] Exiting Program and cleaning up stuff")
+cam.release()
+cv2.destroyAllWindows()
-- 
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