FaceRecognition-python/main.py
2018-11-24 14:39:49 +00:00

115 lines
2.6 KiB
Python

from time import sleep
from io import BytesIO
import os
import serial
import sys
import json
try:
import numpy as np
from picamera import PiCamera
from picamera.array import PiRGBArray
import cv2
except Exception as ex:
print('[ Error ] some depandincies are missing\n'+ str(ex.args))
sys.exit()
def init():
go = True
print('Initilizing Camera and cascade components..')
try:
camera = PiCamera()
camera.resolution = (640, 480)
sleep(0.2)
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
rawCapture = PiRGBArray(camera)
#camera.framerate = 32
#rawCapture = PiRGBArray(camera, size=(640, 480))
#for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):
while 1:
#try:
#camera.capture('img.jpg')
#img = cv2.imread('img.jpg',1)
camera.capture(rawCapture, format="bgr")
img = rawCapture.array
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.2,5)
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]
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)
rawCapture.truncate(0)
if cv2.waitKey(1) & 0xFF == ord('q'):
cv2.destroyAllWindows()
break
#except:
#print('[ Error ] Unexpected exception')
#print('Closing')
#break
def recognize(image):
names = loadNames()
face_recognizer = cv2.createLBPHFaceRecognizer()
face_recognizer.load('faces/m')
img = image.copy()
label= face_recognizer.predict(img)
print(label)
if label[1] > 120:
return 'unknown'
else:
return names[label[0]]
def OpenShifter():
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/ttyUSB1 ..')
def loadNames():
with open("faces/names.json", "r") as read_file:
data = json.load(read_file)
return list(data)
init()