You might have seen the video that NASA produced which showed the Curiosity being dropped from space down to Mars. The original was taken with a still camera capturing images 4 times a second. Although the results were impressive as they showed Curiosity being dropped down to the planet, they were still a bit clunky as the frame rate was extremely low.
One person, Dominic Muller, decided to use a technique on that video called interpolation. What that means is that the frame rate can be increased to make the video look smoother. This is achieved by putting artificial frame mixed in-between the regular real frames. The results in this case take it from 4fps to 25fps and with that, the video is also enhanced to show a bit more detail and look a little less dull.
If you want a comparison of what the original looks like compared to the new version then take a look at this second version below that runs both versions side by side. You can see a huge difference. Although the interpolated video has some form of manipulation, it makes the video look far better.
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