在Ubuntu中实现人脸识别登录的完整步骤

1、安装Howdy: howdy项目地址

sudo add-apt-repository ppa:boltgolt/howdy

sudo apt update

sudo apt install howdy2、添加自己的face

sudo howdy add报错：

Enter a label for this new model [Initial model] (max 24 characters): tiger

Camera path is not configured correctly, please edit the ‘device_path’ config value.

Exception ignored in: <bound method VideoCapture.__del__ of <recorders.video_capture.VideoCapture object at 0x7f6bc5be02b0>>

Traceback (most recent call last):

File “/lib/security/howdy/recorders/video_capture.py”, line 55, in __del__

  self.internal.release()

AttributeError: ‘VideoCapture’ object has no attribute ‘internal’解决方案:

$ sudo apt-get install v4l-utils

# 查看摄像头路径

$ v4l2-ctl –list-devices

USв 2.0 Camera: USв Camera (usb-0000:03:00.0-14):

/dev/video0

$ sudo howdy config

# 接下来更改config中的device_path = /dev/video0

$ sudo howdy add

Adding face model for the user tiger

Enter a label for this new model [Initial model] (max 24 characters): tiger

Please look straight into the camera

Scan complete

Added a new model to tiger
3、测试

打开一个terminal

$ sudo -i

Identified face as tiger

$ sudo howdy test

Opening a window with a test feed

Press ctrl+C in this terminal to quit

Click on the image to enable or disable slow mode

Closing window4、屏幕锁屏后，enter进入输密码界面，程序就会识别出人，直接解锁。

5、其它命令

Usage:

howdy [-U user] [-y] command [argument]

总结

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