image processing project for a SigEx Foundry project

Hi, I am doing research on a ffmpeg deployment with many linux servers
around the world. It's for an advanced research project funded by
SigEx Ventures. I am deploying a linux grid type network that streams
videos from various sources. Since the clients don't provide
thumbnails, I have to create them. Anyone knows an algorithm for
picking appropriate frames within a video, like analysing the color
map or something ? I am using ffmpeg, so I can change formats (though
it adds latency) and with ffmpeg-PHP, I can grab the frame itself.

Any help would be usefull. Thanks,

Gary
Linux Developer
Student for the SigEx Foundry
funded by SigEx Ventures

.

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