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FaceDataset.py
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FaceDataset.py
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#_*_encoding:utf-8_*_
"""
@Python -V: 3.X
@SoftWave:Ubuntu
@Author: SKYNE
@Contact: 520@skyne.cn
@Time: 2018.6.5
"""
import cv2
from UserDb import user_id
def face_dataset(user_path, name):
"""
:param user_path: 用户图片的存储路径
:param name: 用户名
:return:
"""
cam = cv2.VideoCapture(0)
cam.set(3, 640)
cam.set(4, 480)
face_detector = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
count = 0
while(True):
ret, img = cam.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_detector.detectMultiScale(gray, 1.3, 5)
for (x,y,w,h) in faces:
cv2.rectangle(img, (x,y), (x+w,y+h), (255,0,0), 2)
count += 1
# 查询数据返回用户对应的ID
id = user_id(name)
# 存储摄像头根据分类器捕获到的灰度图像
cv2.imwrite(user_path + str(id) + '.' + str(count) + ".jpg", gray[y:y+h,x:x+w])
font = cv2.FONT_HERSHEY_SIMPLEX
# 可以写入文本到显示画面,不能是中文
cv2.putText(img, "Look At The Camera", (162, 40), font, 1, (255, 255, 255), 2)
cv2.imshow('image', img)
# 监听键盘事件,ESC退出
k = cv2.waitKey(100) & 0xff
if k == 27:
break
elif count >= 30:
break
# 关闭画面
cam.release()
cv2.destroyAllWindows()
if __name__=='__main__':
face_dataset('dataset/sdasdas','asdas')