Calibrating motion capture sensors

picto tuto gps status

Do you notice a slight keel to your viewing angle while using your Homido headset? This tutorial may enable you to resolve this problem.

Motion capture sensors are indispensable in virtual reality applications. They are used to reproduce head movements within an application. It is motion capture sensors that enable you to see both your feet and your neighbor, or just the screen, in a virtual cinema application.

These sensors are as sensitive as they are indispensable, especially in the case of virtual cinema. Poorly calibrated sensors will cause your screen to constantly shy away from the left or the right.

Science has not yet given us the ability to rotate our heads 360°, so it is better to calibrate these sensors well.


Downloading GPS Status

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Go to the following address on Google Play : GPS Status

Search for “GPS Status”.

The application is free. Once it is installed, open it.

Step-by-step calibration

Follow the instructions below.

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Press anywhere on the screen in order to make the monkey wrench appear, then press on it.

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Select “Compass calibration”.

4 boussole verticale

Put your smartphone on a flat, non-metallic surface.

Don’t press OK straight away.

5 calibrage horizontale

While keeping your smartphone flat on the surface, fully rotate it twice.

6 calibrage tranche

Repeat the action, but this time turn your smartphone in the direction indicated by the arrows. To do this, raise the bottom of your smartphone so that the screen is oriented towards the bottom. Turn your smartphone again on the same axis in order to orient the screen towards the top. Do this twice.

Don’t confirm yet!

7 calibrage top

Do the same thing as you did in the previous step, but this time turn your phone sideways. Do this a second time.

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You can now confirm by pressing OK.

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Press anywhere on the screen again to make the monkey wrench appear, then select “calibrate gradient”.

10 inclinaison

Put your smartphone on a completely flat surface again, away from any magnetic or metallic objects. Once your smartphone is on a flat surface, press “calibrate”. Leave your phone on the surface and then make the monkey wrench appear again by pressing anywhere on the screen. Press on it and once again select “calibrate gradient”. Now the only thing left for you to do is to turn your smartphone 180°, always keeping it on the flat surface. Press “average”.

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Your smartphone is now perfectly calibrated. Now you can get the most out of your VR applications without getting a stiff neck.

This procedure will have to repeated each time that your smartphone has been completely switched off.