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Jcparkyn authored Oct 18, 2023
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# D-POINT
# D-POINT: Digital Pen with Optical-Inertial Tracking

**Digital Pen with Optical-Inertial Tracking**
**D-POINT** is an open-source digital stylus that uses camera tracking and inertial measurements to achieve 6DoF (six degrees of freedom) inputs, with low latency, pressure sensitivity, and sub-millimetre accuracy.
The stylus can be used on any flat surface, and works with consumer-grade webcams.

D-POINT is an open-source digital stylus that uses camera tracking and inertial measurements to achieve 6DoF (six degrees of freedom) inputs, with low latency, pressure sensitivity, and sub-millimetre accuracy.
<video src="https://github.com/Jcparkyn/dpoint/assets/51850908/21d00ce3-6456-4fba-8c24-4bc8e6642a0d" width="1920" height="1080" autoplay loop muted></video>

This project was part of my undergraduate thesis for electrical engineering. I've open-sourced the code and design files in the hopes that they might be useful to somebody, but it's not intended to be a "plug and play" DIY project.

## Design

This is a very brief overview of how the system works. For all the details, plus literature review and lots of evaluation, read the full thesis (I haven't published it online yet).
This is a very brief overview of how the system works. For all the details, plus literature review and lots of evaluation, read the full thesis (note: I haven't published this online yet).

![Block diagram showing how the system works](assets/block-diagram.png)

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