Star Trek's original series and TNG were shot on film, allowing them to be rescanned for high-definition broadcast. Star Trek: Deep Space 9, however, was shot on video at standard definition: there's no further detail to recover for HD broadcasts. Machine learning to the rescue! CaptRobau writes: I will go into greater detail about my process in a future blog post, but it took me about two days to get everything extracted, upscaled and put it back together in a way that was pleasing.