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How ‘Dune’ VFX supervisor Paul Lambert invented the Nuke’s Image Based Keyer
So, what is the IBK keyer? The very non-technical answer to that is that the ‘image- based keyer’ is a proprietary keyer in Nuke that typically deals with classic bluescreen or greenscreen plates (that need keying) by recognizing that these plates do not always have uniform color coverage. We’ve all seen uneven blue and greenscreens; that’s one place where the IBK Keyer can come in handy.
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Mysterious animation wins best illusion of 2011 – Motion silencing illusion
The 2011 Best Illusion of the Year uses motion to render color changes invisible, and so reveals a quirk in our visual systems that is new to scientists.
https://en.wikipedia.org/wiki/Motion_silencing_illusion
“It is a really beautiful effect, revealing something about how our visual system works that we didn’t know before,” said Daniel Simons, a professor at the University of Illinois, Champaign-Urbana. Simons studies visual cognition, and did not work on this illusion. Before its creation, scientists didn’t know that motion had this effect on perception, Simons said.
A viewer stares at a speck at the center of a ring of colored dots, which continuously change color. When the ring begins to rotate around the speck, the color changes appear to stop. But this is an illusion. For some reason, the motion causes our visual system to ignore the color changes. (You can, however, see the color changes if you follow the rotating circles with your eyes.)
