I wonder if you could build a training set to teach a neural net to detect these things, then autocrop. Some similar previous work that suggests to me this may

I wonder if you could build a training set to teach a neural net to detect these things, then autocrop. Some similar previous work that suggests to me this may be possible. https://research.googleblog.com/2015/10/improving-youtube-video-thumbnails-with.html https://research.googleblog.com/2015/10/improving-youtube-vi...