128 lines
3.2 KiB
Python
128 lines
3.2 KiB
Python
from time import sleep
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from io import BytesIO
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from picamera import PiCamera
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import cv2
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import numpy as np
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import os
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import sys
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import json
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picCount = 0
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new = False
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def start():
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print('Starting training..')
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label = int(input('Label (Integer): '))
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name = str(raw_input('Person name: '))
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picCount = int(input('Number of Photos: '))
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global new
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new = promptNew()
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if new:
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newFileName = str(raw_input('New File name: '))
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oldFileName = newFileName
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else:
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print('Found in faces:')
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print(os.listdir('faces/'))
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oldFileName = str(raw_input('Old File name: '))
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newFileName = str(raw_input('New File name: '))
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clearTrainFolder()
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dum = input('Press any key to start capture..')
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capture(picCount)
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addPerson(label, newFileName, oldFileName)
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addName(name)
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def clearTrainFolder():
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print('clearing train folder')
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filelist = [ f for f in os.listdir('train/') if f.endswith(".jpg") ]
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for f in filelist:
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os.remove(os.path.join('train/', f))
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def addPerson(label, newFileName, oldFileName):
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try:
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#faceFilePath = '/faces/hesham-saeed2'
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faceFile = 'faces/'+ oldFileName
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face_recognizer = cv2.createLBPHFaceRecognizer()
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global new
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if new:
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print 'new file. skipping load function'
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else:
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print 'loading old file'
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face_recognizer.load(faceFile)
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except:
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print('[ Error ] Problem in init/loading LBPHfacerecognizer')
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sys.exit()
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images = []
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labels = []
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image_names = os.listdir('train/')
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for image_name in image_names:
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if image_name.startswith('.'):
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continue;
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image_path = 'train/' + image_name
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image = cv2.imread(image_path)
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gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
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face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
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faces = face_cascade.detectMultiScale(gray, 1.3, 5)
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for (x,y,w,h) in faces:
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images.append(gray[y:y+h, x:x+w])
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labels.append(label)
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cv2.imshow('face',gray[y:y+h, x:x+w])
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cv2.waitKey(100)
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print('Learning '+ image_name)
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if new:
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face_recognizer.train(images, np.array(labels))
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else:
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face_recognizer.update(images, np.array(labels))
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face_recognizer.save('faces/'+newFileName)
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print('Updated and saved file in faces/'+newFileName)
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def capture(count):
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try:
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print('Initializing camera')
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camera = PiCamera()
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camera.resolution = (640, 480)
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print('[ OK ] Camera')
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sleep(2)
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except:
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print('[ Error ] Can not initialize PiCamera')
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sys.exit()
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for i in range(1, count+1):
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pic = 'train/'+str(i)+'.jpg'
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camera.capture(pic)
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photo = cv2.imread(pic,1)
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cv2.imshow('Photo',photo)
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print('Captured '+str(i)+'\nPath '+ pic)
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cv2.waitKey(100)
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sleep(1)
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cv2.destroyAllWindows()
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print('Done!')
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def promptNew():
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filemode = raw_input('Make new File? (y/n): ')
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if filemode == 'y':
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return True
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elif filemode == 'n':
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return False
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else:
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print('incorrect input')
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promptNew()
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def addName(newName):
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with open("faces/names.json", "r") as read_file:
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exist = False
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namesJson = json.load(read_file)
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names = list(namesJson)
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i = 0
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for name in names:
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if newName == name:
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exist = True
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print('name already in names list with index '+str(i))
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i += 1
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if not exist:
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names.append(newName)
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print('Added '+newName+'to names.json file')
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with open("faces/names.json","w") as write_file:
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json.dump(names,write_file)
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