[LINK] Teachers are going to have to watch out for cheats, hiding in green suits, in online exams

[Tom Worthington]

Recently I found a green chroma key green bodysuit at a secondhand 
store. This is used for video special effects. Covering the entire body, 
including hands and face, in front of a matching background, the wearer 
disappears from the image. Those running online invigilated exams need 
to keep in mind the suit could be used to hide someone helping the 
student. ;-)

More seriously, a $4 piece of 1 x 2 m apple green cloth from the local 
store turned out to make a good background for Zoom calls.

https://blog.highereducationwhisperer.com/2021/06/a-4-green-screen-for-zoom-background.html


-- 
Tom Worthington, MEd FHEA FACS CP IP3P http://www.tomw.net.au 
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Honorary Lecturer, Computer Science, Australian National University 
https://cecs.anu.edu.au/research/profile/tom-worthington