WIP: add multi-version support

Beter Init function

README.md

@@ -1 +1 @@
-### Python code to run in Raspberry Pi with PiCamera to recognize certin faces.
+### Python code to run in Raspberry Pi with PiCamera to recognize certin faces and send a Serial signal 'o' to be received by arduino. 

main.py

@@ -7,28 +7,51 @@ import sys
 import json
 import datetime
 
+piCamAvailable = False
+
 try:
     import numpy as np
     from picamera import PiCamera
     from picamera.array import PiRGBArray
-    import cv2
+    piCamAvailable = True
 
 except Exception as ex:
     print('[ Error ] some depandincies are missing\n'+ str(ex.args))
+    piCamAvailable = False;
+
+try:
+    import cv2
+
+except Exception as ex:
+    print('Could not load OpenCV\Closing')
     sys.exit()
 
 def init():
 	go = True
-	print('Initilizing..')
+	piCam = False
+	WebCam = False
+	print('Initilizing Camera ..')
+	if piCamAvailable:
 		try:
 			camera = PiCamera()
 			camera.resolution = (640, 480)
-		sleep(0.2)
+			go = True
-		print('[ OK ] Camera')
+			piCam = True
+			print('[ OK ] Started PiCamera')
 		except:
-		print('[ Error ] Can not initialize PiCamera')
+			print('[ Warning ] Could not start PiCamera. Trying Webcam.. ')
+			piCam = False
 			go = False
-
+	else:
+		try:
+			camera = cv2.VideoCapture()
+			print('[ OK ] WebCamera')
+			go = True
+			WebCam = True
+		except Exception as ex:
+			print('[ Error ] Could not start Webcam.. \nExiting')
+			go = False
+	sleep(0.2)
 	try:
 		face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
 		sleep(1)
@@ -41,30 +64,42 @@ def init():
 	except OSError as ex:
 		print('Found (unknown) folder')
 
-	if (go):
+	if go:
 		print('Starting Photo loop..')
 		print('Known people are '+str(loadNames()))
-		start(camera, face_cascade)
+		start(camera, face_cascade, WebCam)
 
 	else:
 		print('closing')
 
-def start( camera, face_cascade):
+def start( camera, face_cascade, WebCam):
 	j = 0
+	if not WebCam:
 		rawCapture = PiRGBArray(camera)
-	face_recognizer = cv2.createLBPHFaceRecognizer()
+	# face_recognizer = cv2.face.LBPHFaceRecognizer_create() #cv2.face.createLBPHFaceRecognizer()
+	face_recognizer = cv2.face_LBPHFaceRecognizer('faces/h')
+	# face_recognizer.read('faces/h') # Try on Pi
+    ##WIP
+	try:
 		face_recognizer.load('faces/h')
+	except:
+		pass
+
 	names = loadNames()
 	while 1:
 		try:
+			if not WebCam:
 				camera.capture(rawCapture, format="bgr")
+				img = rawCapture.array
+			else:
+				ret, img = camera.read()
 		except:
 			print('[ Error ] Can not capture image. Restarting..')
 			init()
-		img = rawCapture.array
+		#img = rawCapture.array
 		gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
 		faces = face_cascade.detectMultiScale(gray, 1.3,5)
-		i = 0
+		i = 0;
 		for (x,y,w,h) in faces:
 			i += 1
 			j += 1
@@ -110,8 +145,6 @@ def recognize(image,face_recognizer, names):
 		print(str(label) + ' >>'+names[label[0]])
 		return names[label[0]]
 
-#def DrawSquares(image,gray,faces,color):
-
 def OpenShifter():
 	try:
 		ser = serial.Serial('/dev/ttyUSB0',9600)

trainer.py

@@ -7,10 +7,10 @@ import os
 import sys
 import json
 
+
 picCount = 0
 new = False
 
-
 def start():
 	print('Starting training..')
 	label = int(input('Label (Integer): '))
@@ -32,24 +32,22 @@ def start():
 	addPerson(label, newFileName, oldFileName)
 	addName(name)
 
-
 def clearTrainFolder():
 	print('clearing train folder')
-    filelist = [f for f in os.listdir('train/') if f.endswith(".jpg")]
+	filelist = [ f for f in os.listdir('train/') if f.endswith(".jpg") ]
 	for f in filelist:
 		os.remove(os.path.join('train/', f))
 
-
 def addPerson(label, newFileName, oldFileName):
 	try:
-        # faceFilePath = '/faces/hesham-saeed2'
+		#faceFilePath = '/faces/hesham-saeed2'
-        faceFile = 'faces/' + oldFileName
+		faceFile = 'faces/'+ oldFileName
 		face_recognizer = cv2.createLBPHFaceRecognizer()
 		global new
 		if new:
-            print('new file. skipping load function')
+			print 'new file. skipping load function'
 		else:
-            print('loading old file')
+			print 'loading old file'
 			face_recognizer.load(faceFile)
 	except:
 		print('[ Error ] Problem in init/loading LBPHfacerecognizer')
@@ -65,19 +63,18 @@ def addPerson(label, newFileName, oldFileName):
 		gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
 		face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
 		faces = face_cascade.detectMultiScale(gray, 1.3, 5)
-        for (x, y, w, h) in faces:
+		for (x,y,w,h) in faces:
-            images.append(gray[y:y + h, x:x + w])
+			images.append(gray[y:y+h, x:x+w])
 			labels.append(label)
-            cv2.imshow('face', gray[y:y + h, x:x + w])
+			cv2.imshow('face',gray[y:y+h, x:x+w])
 			cv2.waitKey(100)
-            print('Learning ' + image_name)
+			print('Learning '+ image_name)
 	if new:
 		face_recognizer.train(images, np.array(labels))
 	else:
 		face_recognizer.update(images, np.array(labels))
-    face_recognizer.save('faces/' + newFileName)
+	face_recognizer.save('faces/'+newFileName)
-    print('Updated and saved file in faces/' + newFileName)
+	print('Updated and saved file in faces/'+newFileName) 
-
 
 def capture(count):
 	try:
@@ -89,18 +86,17 @@ def capture(count):
 	except:
 		print('[ Error ] Can not initialize PiCamera')
 		sys.exit()
-    for i in range(1, count + 1):
+	for i in range(1, count+1):
-        pic = 'train/' + str(i) + '.jpg'
+		pic = 'train/'+str(i)+'.jpg'
 		camera.capture(pic)
-        photo = cv2.imread(pic, 1)
+		photo = cv2.imread(pic,1)
-        cv2.imshow('Photo', photo)
+		cv2.imshow('Photo',photo)
-        print('Captured ' + str(i) + '\nPath ' + pic)
+		print('Captured '+str(i)+'\nPath '+ pic)
 		cv2.waitKey(100)
 		sleep(1)
 	cv2.destroyAllWindows()
 	print('Done!')
 
-
 def promptNew():
 	filemode = raw_input('Make new File? (y/n): ')
 	if filemode == 'y':
@@ -111,8 +107,8 @@ def promptNew():
 		print('incorrect input')
 		promptNew()
 
-
 def addName(newName):
+	
 	with open("faces/names.json", "r") as read_file:
 		exist = False
 		namesJson = json.load(read_file)
@@ -121,13 +117,12 @@ def addName(newName):
 		for name in names:
 			if newName == name:
 				exist = True
-                print('name already in names list with index ' + str(i))
+				print('name already in names list with index '+str(i))
 			i += 1
 		if not exist:
 			names.append(newName)
-            print('Added ' + newName + 'to names.json file')
+			print('Added '+newName+'to names.json file')
-    with open("faces/names.json", "w") as write_file:
+	with open("faces/names.json","w") as write_file:
-        json.dump(names, write_file)
+		json.dump(names,write_file)
-
 
 start()