main.py

@@ -0,0 +1,65 @@
+
+from time import sleep
+from picamera import PiCamera
+from io import BytesIO
+import cv2
+import numpy as np
+
+def init():
+	go = True
+	print('Initilizing Camera and cascade components..')
+	try:
+		camera = PiCamera()
+		camera.resolution = (640, 480)
+		sleep(2)
+		print('[ OK ] Camera')
+	except:
+		print('[ Error ] Can not initialize PiCamera')
+		go = False
+
+	try:
+		face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
+		sleep(1)
+		print('[ OK ] CascadeClassifier')
+	except:
+		print('[ Error ] Can not load cascade File')
+		go = False
+	if (go):
+		print('Starting Photo loop..')
+		start(camera, face_cascade)
+	else: 
+		print('closing')
+	
+def start( camera, face_cascade):
+	while True:
+		try:
+			print('Taking photo')
+			camera.capture('img.jpg')
+			print('Photo Captured')
+			img = cv2.imread('img.jpg',1)
+			gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+			print('Photo Converted')
+			faces = face_cascade.detectMultiScale(gray, 1.3, 5)
+			print('Photo Processed')
+			i = 0;
+			for (x,y,w,h) in faces:
+				i = i + 1
+				cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
+				#cv2.imwrite('result.jpg', gray)
+				roi_gray = gray[y:y+h, x:x+w]
+				roi_color = img[y:y+h, x:x+w]
+				print('Drawing on face ', i)
+				
+			cv2.imshow('image',img) 
+			cv2.waitKey(100)
+			if cv2.waitKey(1) & 0xFF == ord('q'):
+				cv2.destroyAllWindows()
+				break
+		
+		except:
+			print('[ Error ] Unexpected exception')
+			print('Closing')
+			break
+	
+init()
+

untitled.py

@@ -1,57 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-#
-#  untitled.py
-#  
-#  Copyright 2018  <pi@RPi-01>
-#  
-#  This program is free software; you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation; either version 2 of the License, or
-#  (at your option) any later version.
-#  
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#  
-#  You should have received a copy of the GNU General Public License
-#  along with this program; if not, write to the Free Software
-#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-#  MA 02110-1301, USA.
-#  
-#  
-
-from time import sleep
-from picamera import PiCamera
-from io import BytesIO
-import cv2
-import numpy as np
-
-camera = PiCamera()
-camera.resolution = (640, 480)
-face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
-
-while True: 
-	print('Taking photo')
-	camera.capture('img.jpg')
-	img = cv2.imread('img.jpg',1)
-	gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
-	faces = face_cascade.detectMultiScale(gray, 1.3, 5)
-	for (x,y,w,h) in faces:
-		cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
-		cv2.imwrite('result.jpg', gray)
-		roi_gray = gray[y:y+h, x:x+w]
-		roi_color = img[y:y+h, x:x+w]
-		print('Drawing face')
-	print('displying iamge')	
-	cv2.imshow('image',img) 
-	cv2.waitKey(100)
-	if cv2.waitKey(1) & 0xFF == ord('q'):
-		cv2.destroyAllWindows()
-		break
-	
-print('Finshed')
-
-
-