本文实例为大家分享了python实现人脸签到系统的具体代码，供大家参考，具体内容如下
简易版人脸签到/签退系统
管理员可进行录入人脸操作，以及导出各类签到情况表；
普通学生只可人脸识别进行签到签退操作。
face_Recognizer.py
import cv2
import os
import numpy as np
from PIL import Image #pillow
import pyttsx3
import sys
import test.student_sql as connect #导入py
import test.recognizer_sql as baseConnect #导入py
import time
import json
def makeDir(engine):
flag= 0
if not os.path.exists("face_trainer"):
print("创建预训练环境")
engine.say('检测到第一次启动，未检测到环境，正在创建环境')
engine.say('正在创建预训练环境')
os.mkdir("face_trainer")
engine.say('创建成功')
engine.runAndWait()
flag=1
if not os.path.exists("Facedata"):
print("创建训练环境")
engine.say('正在创建训练环境')
os.mkdir("Facedata")
engine.say('创建成功')
engine.runAndWait()
flag=1
return flag
def getFace(cap,path_id):
# 调用笔记本内置摄像头，所以参数为0，如果有其他的摄像头可以调整参数为1，2
#cap = cv2.VideoCapture(0)
#xml文件为自己的文件路径
face_detector = cv2.CascadeClassifier(r'F:\npyWorkspace\venv\Lib\site-packages\cv2\data\haarcascade_frontalface_default.xml')
#face_id = input('\n enter user id:')
print('\n Initializing face capture. Look at the camera and wait ...')
count = 0
while True:
# 从摄像头读取图片
sucess, img = cap.read()
# 转为灰度图片
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# 检测人脸
faces = face_detector.detectMultiScale(gray, 1.3, 5)
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x+w, y+w), (255, 0, 0))
count += 1
# 保存图像
cv2.imwrite("Facedata/User." + str(path_id) + '.' + str(count) + '.jpg', gray[y: y + h, x: x + w])
cv2.imshow('image', img)
# 保持画面的持续。
k = cv2.waitKey(1)
if k == 27: # 通过esc键退出摄像
break
elif count >= 100: # 得到1000个样本后退出摄像
break
cv2.destroyAllWindows()
def getImagesAndLabels(path, detector):
imagePaths = [os.path.join(path, f) for f in os.listdir(path)] # join函数的作用
faceSamples = []
ids = []
for imagePath in imagePaths:
PIL_img = Image.open(imagePath).convert('L') # convert it to grayscale
img_numpy = np.array(PIL_img, 'uint8')
id = int(os.path.split(imagePath)[-1].split(".")[1])
faces = detector.detectMultiScale(img_numpy)
for (x, y, w, h) in faces:
faceSamples.append(img_numpy[y:y + h, x: x + w])
ids.append(id)
return faceSamples, ids
def trainFace():
# 人脸数据路径
path = 'Facedata'
recognizer = cv2.face.LBPHFaceRecognizer_create()
detector = cv2.CascadeClassifier(r'F:\npyWorkspace\venv\Lib\site-packages\cv2\data\haarcascade_frontalface_default.xml')
print('Training faces. It will take a few seconds. Wait ...')
faces, ids = getImagesAndLabels(path, detector)
recognizer.train(faces, np.array(ids))
recognizer.write(r'face_trainer\trainer.yml')
print("{0} faces trained. Exiting Program".format(len(np.unique(ids))))
def checkFace(cam,names,engine,sign_flag):
sex = {"female":"女士","male":"先生"}
recognizer = cv2.face.LBPHFaceRecognizer_create()
recognizer.read('face_trainer/trainer.yml')
cascadePath = r"F:\npyWorkspace\venv\Lib\site-packages\cv2\data\haarcascade_frontalface_default.xml"
faceCascade = cv2.CascadeClassifier(cascadePath)
font = cv2.FONT_HERSHEY_SIMPLEX
idnum = 0
names = ['yumengzhen', 'dujuanjuan','litingting','kangming','wangyizhe']
#cam = cv2.VideoCapture(0)
minW = 0.1 * cam.get(3)
minH = 0.1 * cam.get(4)
while True:
ret, img = cam.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = faceCascade.detectMultiScale(
gray,
scaleFactor=1.2,
minNeighbors=5,
minSize=(int(minW), int(minH))
)
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x + w, y + h), (0, 255, 0), 2)
idnum, confidence = recognizer.predict(gray[y:y + h, x:x + w])
if confidence < 100:
Name =connect.readName(idnum) #connect 传入ID 学生信息表找到 返回 name
Sex =connect.readSex(idnum) #connect ID 学生信息表找到 返回 Sex
StudentID =connect.readStudentID(idnum) #connect ID 学生信息表找到 返回 studentID
#idnum = names[idnum] #利用数据库 读取学生信息表 该id 对应的name
confidence = "{0}%".format(round(100 - confidence))
if sign_flag=='0': #签到
say(engine, "欢迎 "+Name+ sex[Sex]+" 签到成功 ")
baseConnect.insertd(idnum,Name,StudentID,Sex) #签到表中 插入签到信息
print("欢迎 "+Name+ sex[Sex] + "签到成功 ")
else :
say(engine, "欢迎 "+Name+ sex[Sex]+" 签退成功 ")
baseConnect.insertt(idnum,Name,StudentID,Sex) #签到表中 插入签退信息
print("欢迎 "+Name+ sex[Sex] + "签退成功 ")
cv2.imshow("img",img)
os.system("pause")
return
else:
idnum = "unknown"
confidence = "{0}%".format(round(100 - confidence))
cv2.putText(img, str(idnum), (x + 5, y - 5), font, 1, (0, 0, 255), 1)
cv2.putText(img, str(confidence), (x + 5, y + h - 5), font, 1, (0, 0, 0), 1)
cv2.imshow('camera', img)
k = cv2.waitKey(10)
if k == 27:
break
cam.release()
cv2.destroyAllWindows()
def say(engine,str):
engine.say(str)
engine.runAndWait()
def admission(): #录入信息模块
#names = {"yumengzhen":0,"dujuanjuan":1,"litingting":2}
say(engine, "请输入您的学号 ")
StudentID = input("请输入学号：")
# 读取数据库信息表 取出Name 对应ID
ID=connect.readIDbaseStudentID(StudentID) #connect 传入name 学生信息表找到 返回 ID
if ID==-1:#没有找到该学生插入学生信息
while True:
say(engine,"没有找到该学生信息 输人 0 注册 1重新输入")
op=input("\n 没有找到该学生信息 输人数字 0 注册学生信息 1重新输入")
if op=='0':
Name,studentID,Sex=input("输入学生信息： Name studentID Sex").split()
connect.insert(Name,studentID,Sex) #插入学生信息信息
else:
StudentID = input("请输入学号：")
ID=connect.readIDbaseStudentID(StudentID) #connect 传入name 学生信息表找到 返回 ID
if ID!=-1 :
break
say(engine, "正在打开摄像头")
cam = cv2.VideoCapture(0)
say(engine, "注视摄像头，开始采集人脸数据")
getFace(cam, ID) # 实际传入的是id
cam.release()
if __name__ == '__main__':
names = {"yumengzhen":0,"dujuanjuan":1,"litingting": 2}
password="123456" #密码
engine = pyttsx3.init()
rate = engine.getProperty('rate')
engine.setProperty('rate', rate - 20)
flag=makeDir(engine)
#trainFace()
while True:
if flag==1 :
flag = 0
say(engine, "首次使用 没有人脸信息 ")
say(engine, "是否要录入新的人脸信息 ")
say(engine, "输入0 代表是 输入其他表示退出")
value = input("0：是 or other：否")
if value=='0':
while True:
admission()
say(engine, "是否要继续录入新的人脸信息 ")
say(engine, "输入0 代表是 输入其他表示退出")
firstflag = input("0：是 其他：退出")
if firstflag != '0':
break
say(engine, "采集完毕，开始训练")
trainFace()
say(engine, "训练完毕 ")
#say(engine, "请选择登录方式 ")
say(engine, "输入 0管理人员模式 1 进入签到/签退模式 2 退出学生签到系统 ")
user=input("\n0:管理人员模式 1:进入签到/签退模式 2:退出学生签到系统\n")
if user=='0':
say(engine, "输入管理员密码 ")
pd=input("\n输入管理员密码 :\n")
count=1
while True:
if count==3:
say(engine," 输入密码错误超过3次 强制退出输入 ")
break
if password == pd:
say(engine, "管理员模式 ")
#say(engine, "输入数字 0 导出签到表 1 导出个人签到表 2 导出时长表 3 导出信息表 4 录入人脸信息 5 退出")
op = input("\n0:导出所有同学签到表 1:导出个人签到表 2:导出所有人员时长表 3:导出学生信息表 4 录入人脸信息 5 退出\n")
if op == '0':
baseConnect.sign()#导出签到表
say(engine, "导出签到表成功 ")
pass
elif op == '1':
say(engine,"输入导出学生的学号")
StudentID=input("输入导出学生的学号")
ID=connect.readIDbaseStudentID(StudentID)
if ID==-1:
say(engine, "没有该学生信息 ")
else:
baseConnect.peoson_sign(StudentID)#导出个人签到表
Name =connect.readName(ID) #connect 传入ID 学生信息表找到 返回 name
say(engine, "导出 "+Name+" 信息成功")
elif op == '2':
baseConnect.total_time()#导出时长表
say(engine,"导出时长表成功 ")
elif op == '3':
#导出学生信息表
connect.find_student_all()
say(engine, "导出学生信息成功 ")
elif op == '4':
while True:
admission()
say(engine, "是否要继续录入新的人脸信息 ")
say(engine, "输入0 代表是 输入其他表示退出")
secondflag = input("0：是 其他：退出")
if secondflag != '0':
break
say(engine, "采集完毕，开始训练")
trainFace()
say(engine, "训练完毕 ")
elif op == '5':
say(engine, "已退出 管理员模式 ")
break
else:
say(engine, "输入形式错误 请重新输入 ")
else:
say(engine, "输入密码错误 请重新输入 ")
pd = input("\n输入管理员密码 :\n")
count += 1;
elif user=='1':
say(engine, "欢迎进入学生系统签到/签退模式 ")
sign_flag=0;
while True:
say(engine, "输入数字 0 签到 1 签退")
sign_flag = input("\n0: 签到 1 签退\n")
if sign_flag=='1' or sign_flag=='0' :
break
else :
say(engine," 请输入正确的输入形式")
say(engine, "开始人脸识别")
say(engine, "正在打开摄像头")
cam = cv2.VideoCapture(0)
checkFace(cam, names, engine,sign_flag)
elif user=='2':
say(engine, "信息已保存")
say(engine, "再见")
sys.exit(0)
else:
say(engine, "输入错误请重新输入 ")
student_sql.py
学生
import pymssql as py
import pandas as pd
# 连接数据库，创建学生表，进行表查询，表录入
server = "DESKTOP-XXX"# 连接自己数据库的服务器地址
user = "sa"# 连接帐号
password = "123"# 连接密码
conn = py.connect(server, user, password, "student_message") #获取连接
cursor = conn.cursor() # 获取光标
# 创建表
cursor.execute("""
IF OBJECT_ID('students', 'U') IS NOT NULL
DROP TABLE students
CREATE TABLE students (
ID INT NOT NULL,
name VARCHAR(100),
StudentID INT,
Sex VARCHAR(100)
)
""")
conn.commit()
#第一次运行时建立表，之后再运行无需再建
def insert(Name, studentID, Sex):
count_students = 0
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
cursor.execute(' select count(ID) from students')
for row in cursor:
count_students = row[0]
print(row[0])
cursor.executemany(
"INSERT INTO students VALUES (%d, %s, %d,%s)",
[(count_students+1, Name, studentID, Sex)])
# 你必须调用 commit() 来保持你数据的提交如果你没有将自动提交设置为true
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
except py.OperationalError:
print("数据错误，请检查输入的数据")
# 导出学生信息表
def find_student_all():
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
sql = "select * from students"
df = pd.read_sql(sql, conn)
df.to_excel('all.xlsx',index=False)
print('ok')
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
#find_student_all()
def readName(idnum):
Name = -1
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
cursor.execute(' select Name from students where ID='+str(idnum))
for row in cursor:
if row[0]!=[]:
Name = row[0]
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
return Name
def readIDbaseStudentID(StudentID):
ID = -1
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
cursor.execute(' select ID from students where StudentID='+str(StudentID))
for row in cursor:
if row[0]!=[]:
ID = row[0]
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
return ID
def readSex(idnum):
Sex = -1
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
cursor.execute(' select Sex from students where ID='+str(idnum))
for row in cursor:
if row[0]!=[]:
Sex = row[0]
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
return Sex
def readID(name):
# 多个id
ID = -1
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
cursor.execute(' select ID from students where name='+'\''+str(name)+'\'')
for row in cursor:
if row[0]!=[]:
ID = row[0]
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
return ID
def readStudentID(idnum):
StudentID = -1
try:
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor =conn.cursor()
cursor.execute(' select StudentID from students where ID='+str(idnum))
for row in cursor:
if row[0]!=[]:
StudentID = row[0]
conn.commit()
conn.close()
except py.InterfaceError:
print("数据库连接出错")
except py.ProgrammingError:
print("数据错误，请检查输入的数据")
return StudentID
# 关闭连接
# conn.close()
#
# # 注：在任何时候，在一个连接下，一次正在执行的数据库操作只会出现一个cursor对象
recognizer_sql.py
import pymssql as py
import time
import pandas as pd
server = "DESKTOP-XXXX"# 连接服务器地址
user = "sa" # 连接帐号
password = "123" # 连接密码
conn = py.connect(server, user, password, "student_message") #获取连接
cursor = conn.cursor() # 获取光标
def insertd(idnum,Name,StudentID,Sex): # 签到
conn = py.connect(server, user, password, "student_message") # 获取连接
timenow = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
cursor = conn.cursor()
cursor.execute("INSERT INTO qiandao VALUES (%d, %s,%d,%s, %s, %s, %s,%d )", (idnum,Name,StudentID,Sex,timenow, '0', '0', 0))
conn.commit()
# 必须调用 commit() 来保持数据的提交
def insertt(idnum,Name,StudentID,Sex): # 签退
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor = conn.cursor()
cursor.execute("SELECT starttime FROM qiandao WHERE ID=%s and flag=%d",(idnum,0))
starttimeget = cursor.fetchone()
sat = str(tuple(starttimeget))
timenow = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
timeArray = time.strptime(sat, "('%Y-%m-%d %H:%M:%S',)")
timeStamp = int(time.mktime(timeArray))
timecout = time.time() - timeStamp
m, s = divmod(timecout, 60)
h, m = divmod(m, 60)
timepass = str(h) + '小时 ' + str(m) + '分钟 ' + str(s) + '秒'
print(timepass)
cursor.executemany("INSERT INTO qiandao VALUES (%d, %s,%d,%s, %s, %s, %s,%d )",
[(idnum,Name,StudentID,Sex,'0', timenow, timepass, 1)])
conn.commit()
def peoson_sign(StudentID):# 导出学生信息表_按照学号
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor = conn.cursor()
sql = "select * from qiandao where StudentID=" + str(StudentID)
df = pd.read_sql(sql, conn)
df.to_excel(r'E:\01STUDY\20190701\work\openVersion\excel\studentID_sign.xlsx',index=False)
print('ok')
conn.commit()
#peoson_sign(2016002105)
def sign():# 导出签到表
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor = conn.cursor()
sql = "select * from qiandao"
df = pd.read_sql(sql, conn)
df.to_excel(r'E:\01STUDY\20190701\work\openVersion\excel\sign_all.xlsx', index=False)
print('ok')
conn.commit()
#sign()
def total_time():# 导出时长表#sign()
conn = py.connect(server, user, password, "student_message") # 获取连接
cursor = conn.cursor()
sql = "select * from qiandao where convert(nvarchar(max),count) != convert(nvarchar(max),0)"
df = pd.read_sql(sql, conn)
df.to_excel(r'E:\01STUDY\20190701\work\openVersion\excel\total_time.xlsx', index=False)
print('ok')
conn.commit()
#
# if __name__=='__main':
# sign()
# #peoson_sign(2016002105)
conn.close()
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