There are some problems of OpenCV on the BBB:
1) No keyboard input working so waitKey(0) never stops the program.
2) Not only does the window that is generated have no border, but all my other windows on the desktop also lose their border. Once I kill the process through system monitor the other windows get their border back. ( note the status of the process says sleeping).
Then, you will go to install a new Desktop on BBB, Start Putty and writting the next commands.
> su
> opkg install lxdm
> systemctl disable gdm.service
> systemctl enable lxdm
> opkg install packagegroup-xfce-base
Reboot and then when you get the login screen in the lower left make sure you select en for language and xfce.
Now, you will be ready to write the first OpenCV program on BBB.
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