Hello everyone.

We have decided to phase out the Mixed Reality Forums over the next few months in favor of other ways to connect with us.

The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.

The plan between now and the beginning of May is to clean up old, unanswered questions that are no longer relevant. The forums will remain open and usable.

On May 1st we will be locking the forums to new posts and replies. They will remain available for another three months for the purposes of searching them, and then they will be closed altogether on August 1st.

So, where does that leave our awesome community to ask questions? Well, there are a few places we want to engage with you. For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality. If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers. And always feel free to hit us up on Twitter @MxdRealityDev.

What should hololens calibration do?Which expert has the hololens calibration app?Thank you

The project I am working on is measuring the registration error of augmented reality, First need to do the calibration of hololens, but, the specific method of hololens calibration has not been found on the official website or in the manual.

Hololens calibration is to calculate the projection matrix M by calculating the correspondence between a point in the world coordinate system and the pixel coordinate system, including internal parameter matrix M1 and external parameter matrix M2. The matrix M2=[R|t], where t is the position of the hololens camera in the world coordinate system, and R is the direction of the hololens camera in the world coordinate system. The error between the calculated and true values of R and t can be obtained by hololens calibration.

The Hololens internal computer has already done this process and applied the resulting data to the actual operation. This is the basic principle of hololens. My topic asked me to restore this process again, get the data from the hololens calibration and find the calibration error.

I would like to know which expert can provide a solution or calibration algorithm/app to help me get data and errors through calibration. Can also be paid, thank you very much.

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