We implemented a very hacked version of flash/no-flash integration. The difficulty is in maintaining proper synchronization between successive flash and no-flash shots.
Nevertheless, with the hacked flash toggle implementation, a joint bilateral filter was set up. It would also be interesting to do foreground-background detection by flash/no-flash difference images. There can be a lot of neat effects enabled by this technique, e.g. cartoonization applied only to foreground (or background), or synthetic blurring of background, etc.
[March 6th]: Alas, Nvidia just confirmed that the two methods for Flash control are lacking: (1) FireAction does not support timing in the current FCam implementation; (2) TorchAction is completely asynchronous and hence this is not really the means to get an alternating stream of flash/no-flash.
If/when Nvidia releases stereo camera, we might try shuffling the two stereo cams to the two SharedBuffers.
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