FaceRecognition-python/main.py
2018-11-22 05:41:03 +00:00

136 lines
3.1 KiB
Python

from time import sleep
from io import BytesIO
import os
import serial
try:
import numpy as np
from picamera import PiCamera
import cv2
except Exception as ex:
print('[ Error ] some depandincies are missing\n'+ str(ex.args))
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')
#else:
#print('Sensors not Satisfied')
def start( camera, face_cascade):
j = 0
while True:
#try:
camera.capture('img.jpg')
img = cv2.imread('img.jpg',1)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.1, 4)
i = 0;
for (x,y,w,h) in faces:
i += 1
j += 1
roi_gray = gray[y:y+h, x:x+w]
roi_color = img[y:y+h, x:x+w]
#try:
#cv2.imwrite('train/'+str(j)+'.jpg',img)
#print(j)
#except Exception as ex:
#print(ex)
#print('Drawing on face ', i)
person = recognize(roi_gray)
if person == 'Hesham' or person == 'Saeed':
OpenShifter()
print('Sending to Arduino!')
cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
cv2.putText(img, person, (x, y), cv2.FONT_HERSHEY_PLAIN, 1.7, (255, 0, 0), 2)
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
def train(number):
train_path = 'train/'
face_recognizer = cv2.createLBPHFaceRecognizer()
images = []
labels = []
image_names = os.listdir(train_path)
for image_name in image_names:
if image_name.startswith("."):
continue;
image_path = train_path + image_name
image = cv2.imread(image_path)
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
images.append(gray)
labels.append(number)
print('training')
face_recognizer.train(images, np.array(labels))
face_recognizer.save('faces/hesham')
def recognize(image):
subjects = ['','Hesham','Saeed']
face_recognizer = cv2.createLBPHFaceRecognizer()
face_recognizer.load('faces/test1')
img = image.copy()
label= face_recognizer.predict(img)
print(label)
if label[0] == 1 and int(label[1]) < 120:
return 'Hesham'
elif label[0] == 2 and int(label[1]) < 90:
return 'Saeed'
elif label[0] == 3 and int(label[1]) < 120:
return 'Hesham2'
else:
return 'Unknown'
def OpenShifter():
try:
ser = serial.Serial('/dev/ttyUSB1',9600)
#ser.open()
ser.write('O')
ser.close()
except Exception as ex:
print('[ Error ] Can not connect to Arduino at /dev/ttyUSB1 .. \n Trying /dev/ttyUSB0')
try:
ser = serial.Serial('/dev/ttyUSB0',9600)
ser.open()
ser.write('O')
ser.close()
except Exception as ex:
print('[ Error ] Can not connect to Arduino at /dev/ttyUSB0')
init()