I'm looking to download images that i'm capturing on RPi to my Android Device using USB, or some wired interface that I don't know about. I'm trying to avoid using wifi, ethernet, or bluetooth.
I've had some success capturing images(jpg) on my RPi using OpenCV, and using SFTP (JSCH) on my android device to download said images. My problem is that it's way too slow. At 78Kb/image it takes way too long for the transfer to complete ~1fps. By compressing the images down to 3k using jpegoptim I can get the download rate to ~17fps but the images are useless at this point as they're pixelated and discolored.
If anyone knows about a different way to wire my RPi and Android Device to maybe avoid having to SSH or use encrypted based communication between RPi and Android, i'm all ears.