![Add option to update hmd orientation quaternion based in FreePIE · Issue #169 · polygraphene/ALVR · GitHub Add option to update hmd orientation quaternion based in FreePIE · Issue #169 · polygraphene/ALVR · GitHub](https://user-images.githubusercontent.com/10817537/43688443-ae0b8410-98b6-11e8-84f6-d4dac49a0861.png)
Add option to update hmd orientation quaternion based in FreePIE · Issue #169 · polygraphene/ALVR · GitHub
All variations of Gimbal Lock axis (Image source: 'Euler (gimbal lock)... | Download Scientific Diagram
![Deploying Complementary filter to avert gimbal lock in drones using Quaternion angles | Semantic Scholar Deploying Complementary filter to avert gimbal lock in drones using Quaternion angles | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/88a9cf4ef6a3274e06de361a615d07610d8fd263/5-Figure2-1.png)
Deploying Complementary filter to avert gimbal lock in drones using Quaternion angles | Semantic Scholar
![17.: On the left a normal situation: the three gimbals are independent.... | Download Scientific Diagram 17.: On the left a normal situation: the three gimbals are independent.... | Download Scientific Diagram](https://www.researchgate.net/publication/316911826/figure/fig5/AS:493656709832718@1494708339347/On-the-left-a-normal-situation-the-three-gimbals-are-independent-On-the-right-the.png)