openct

Open Source Computed Tomography (CT) Scanner
http://www.tricorderproject.org/openct
Copyright (C) 2014 Peter Jansen and the Tricorder project
peter@tricorderproject.org

Early alpha release v0.1

Introduction

The Open Source Computed Tomography (CT) Scanner project aims to move towards creating an inexpensive and open desktop computed tomography scanner for academic and educational purposes. The most common form of computed tomography is radiographic using x-rays or gamma rays, although it is my hope that this project can serve as a general platform for other kinds of tomographic research with other, safer wavelengths.

This project is intended for use with radioisotope "check" sources that are many orders of magnitude less intense than sources in a commercial or medical radiographic setups. This means that even very low resolution images will take hours of measurement and integration time to assemble, and the resolution and signal to noise ratio of a scan are largely a function of time (and patience). Much of the spirit of this project is to move towards creating better scans through the use of clever signal processing techniques or wavelengths that can be more efficiently detected, rather than increasing source intensity.

Open Source

This project is open hardware and is released under various open licenses. Please see LICENSES.TXT for details.

For potential contributors, a list of suggested contributions and next steps can be found in TODO.TXT .

Warning

This project has a variety of dangers associated with it, including (without limitation) its assembly and use. This generally includes the typical hazards involved with assembling, testing, and using electronics projects, CNC projects, as well as using hand tools, power tools, and CNC manufacturing tools such as laser cutters or CNC routers. This is not a first project in any of these areas, and one should be well experienced and comfortable in all aspects of this project's design, assembly, and use.

In addition, for radiography this project makes use of a low intensity sealed radioactive radioisotope source. You should be experienced and extremely comfortable with handling and using radioactive sources, understanding the potential dangers (and how to minimize them), as well as any local laws or regulations regarding such material. Having advanced training in medical imaging, radiography, and/or radiation biophysics is highly recommended.

In no case should any living thing be placed inside of or be scanned by the device.

DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY.

UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION, WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS, ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.

TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION, NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT, INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES, COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.

THE DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY PROVIDED ABOVE SHALL BE INTERPRETED IN A MANNER THAT, TO THE EXTENT POSSIBLE, MOST CLOSELY APPROXIMATES AN ABSOLUTE DISCLAIMER AND WAIVER OF ALL LIABILITY.

License

tricorderproject/openct

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