Install wxWidgets and OpenCv library
sudo apt install libwxgtk-media3.0-0v5 libwxgtk-media3.0-gtk3-0v5 libwxgtk-webview3.0-gtk3-0v5 libwxgtk3.0-0v5 libwxgtk3.0-gtk3-0v5
sudo apt install libopencv-dev
sudo apt install python3-opencv
Go to the directory where ELi-1.0.deb is downloaded
sudo apt install ./Eli-1.0.deb
Type command Eli to command line for start Eli application
Add Eli to application menu