LCD | Feel Three http://feelthree.com Virtual Reality Motion Simulation Sat, 08 Nov 2014 17:54:38 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 http://feelthree.com/wp-content/uploads/2019/04/cropped-logo140-1-32x32.png LCD | Feel Three http://feelthree.com 32 32 Combining two motion sickness solutions… http://feelthree.com/2014/11/combining-two-motion-sickness-solutions/ Sat, 08 Nov 2014 17:54:38 +0000 http://www.feelthree.com/?p=1741 Isn’t it a shame I don’t get motion sickness… then I could try my own solutions on myself… :p

Anyway, I’m about to code another idea for eliminating motion sickness. If the US Army research found an LCD shutter closing 8 times a second was effective (see previous post) and humans don’t notice their ‘eyes’ closing if it’s done by the computer can’t we combine the two. I propose opening some mostly transparent ‘eyelids’ 8 times a second, it might work better to then close them too, but I think a quick fade to the eyelids colour could also work.

Something like this could also be baked into the firmware of a HMD and run independent of the display and very predictably…

]]> Standing on the shoulders of the US Army nausea research… http://feelthree.com/2014/11/standing-on-the-shoulders-of-the-us-army-nausea-research/ Fri, 07 Nov 2014 20:08:50 +0000 http://www.feelthree.com/?p=1733 I also found some interesting research conducted by the US Army Aeromedical Research Laboratory in 2007 which tested subjects susceptibility to motion sickness by using LCD shutter glasses closing at a rate of 4 or 8hz for 10ms while people tried to read a map in a moving helicopter. 19 out of 20 people reported less nausea…

I created another simple demo to re-create this simulation and would be interested in hearing if anyone finds it useful… http://www.feelthree.com/downloads/flash_test.rar

You can change the frequency with Z (quicker) and X. Initially it flashes about once every 19 updates… I figured that’s about 4 times a second around 75hz but I’m not sure that assumption is really correct….

The papers (including the scanned original report) are here : http://www.dtic.mil/dtic/tr/fulltext/u2/a467760.pdf http://www-ieem.ust.hk/dfaculty/so/pdf/Pages51-58-VIMS2007.pdf

]]>