@OpenHMD

News feed of the Boost licensed open source, platform and hardware agnostic Head Mounted Display library.

 #openhmd on irc.freenode.net
openhmd.net
Joined August 2015
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24Media
noraisin.net/diary/?p=1064 - in which I find and fix a bug leading to extra tracking latency in the @OpenHMD Rift CV1 driver.
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Merry Christmas everyone! As a gift, I just finished implementing JPEG support for Oculus CV1 sensors connected to USB 2.0 ports. github.com/thaytan/OpenHMD/i… #OpenHMD
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I found a bug in my code to match LEDs to blobs in video frames, leading to unstable correspondences and jitter - especially in the controllers. Makes a huge difference! (plots are from separate before and after recordings) #OpenHMD #RiftCV1
Noisy "before" plot of controller observations

ALT Noisy "before" plot of controller observations

Less noisy "after" plot of controller pose observations

ALT Less noisy "after" plot of controller pose observations

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I wrote an update on what VR things I've been doing with my weekends since August: noraisin.net/diary/?p=1055 #OpenHMD #Oculus
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Replying to @technobaboo @iBrews @OpenHMD @MonadoXR
I already sometimes use the dk2 to run my modern openxr apps because of the openhmd compatibility
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I am very happy with heuristics I added to detect bad pose detections in @OpenHMD Oculus CV1 tracking over the past few weeks. In general they work really well. Tracking losses are rarer, but still occur under specific fast motions and are getting trickier.
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Here's a brief update on what I've been working on in @OpenHMD Oculus CV1 support lately: noraisin.net/diary/?p=1053
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I rewrote some of the pose calculations in the @OpenHMD Rift CV1 driver this weekend. Among other things, it fixes velocity reports so gravity-grab in Half-Life: Alyx works now.
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OpenHMD retweeted
Matt@mdcvision12 Jul 2021
RC1 for version 0.2.4 of #PsychXR is available on GitHub. Highlights are preliminary @OpenHMD support and exposing new color management features on Oculus headsets. Website documentation has been updated to reflect this release.
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In 2 days, it'll be 2 years since I started work on Rift CV1 positional tracking. As an anniversary present, here's a wall of words about the state of things: noraisin.net/diary/?p=1046 @OpenHMD
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OpenHMD retweeted
Matt@mdcvision6 Apr 2021
What was suppose to be a small maintenance release of PsychXR turned into me adding two new modules. An @OpenHMD driver interface and a generic toolbox for VR math to work with it. LibOVR extension got colour management and some additional support for the Quest.
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This is what the current @OpenHMD Rift tracking branch is capable of in the right hands: youtube.com/watch?v=sxMA7qEx… I'm super happy with how far it's come in the past few months.
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New Rift tracking commits at github.com/thaytan/OpenHMD/t… - I fixed some gravity vector calcs and improved pose search speed and it's mostly tracking quite well now. Played an hour or so on Beat Saber at expert level. @OpenHMD
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xrdesktop has been accepted for Google Summer of Code 2021! gitlab.freedesktop.org/xrdes… #gsoc2021 #GSoC
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I've published another video in my @OpenHMD Oculus Rift tracking update series: youtu.be/TnLvAaWnZuE
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I made some simple changes to the pose recovery search in github.com/thaytan/OpenHMD/t…. Still generally terrible under fast motion, but I managed to finish some Beat Saber on Hard setting. I'm working on a session recording / debug tool for the next improvements. @OpenHMD #OculusCV1
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noraisin.net/diary/?p=1031 - a new blog post on this weekend's LED matching changes for @OpenHMD positional tracking.
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Did I just become the first person in the world to complete a Beat Saber level with my Oculus CV1 under Linux? I think so! youtu.be/dc_Dpfl1I8o @OpenHMD

Completing a Beat Saber level with OpenHMD and an Oculus Rift CV1 for the first time ever!

January 26th 2021 - I've made OpenHMD track the Oculus Touch contro...

youtube.com
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I wrote an epic blog post about hacking Kalman filters over Christmas for @OpenHMD - noraisin.net/diary/?p=1012 Boy I wish I knew what I was doing! :-D
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Blog post about my progress implementing a Kalman filter for @OpenHMD Rift CV1 positional tracking - noraisin.net/diary/?p=1004
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