1. UC Merced Land-Use Data Setcontains 21 scene classes and 100 samples of size 256x256 in each class.图像像素大小为256*256，总包含21类场景图像，每一类有100张，共2100张。下载地址：http://weegee.vision.ucmerced.edu/datasets/la...

1.切换显卡驱动进入Ubuntu系统按alt+ctrl+F1进入命令行界面登录sudo apt-get prime #安装primeprime-select query #查看当前显卡驱动若为nvidia则：prime-select intel #将驱动换为集成显卡驱动，暂时屏蔽独立显卡按alt+ctrl+F7，返回登陆界面登录在终端输入：prime-select nvidia #将驱动换为独立显