On 26th June 2023

OpenLab MedTec kick-off workshop

On 22nd of June, the OpenLab MedTec at the BWKH hospital in Hamburg, Germany was officially launched. The collaborative project from PTB, BWKH and the HSU hosted the workshop right in the heart of the hospital. Great keynote speakers addressed challenges and opportunities of open-source medical hardware…

On 9th January 2023

First open-source MRI scanner presented: the OSI² ONE

What a milestone! The first open-source MRI scanner, the OSI² ONE, has been built and delivers exciting first in-vivo MR images. OSI² ONE was anounced in 2022 at the ISMRM workshop on low-field MRI and a first prototype travelled to the ISMRM 2022 in London for a live presentation. At the moment…

On 8th January 2023

Parallel transmission implant safety testbed

Home OSI² e.V. News Projects Search Hardware Spectrometers Other hardware (MR) Lab equipment Parallel transmission implant safety testbed Wireless reference implantDL+DiReCT – Direct Cortical Thickness Estimation using Deep Learning-based Anatomy Segmentation and Cortex Parcellation Application Parallel transmission hardware and positioning system for all sorts of experiments around RF transmission Contributors Silemek Berk¹, Lukas Winter¹, Frank [...]
On 6th January 2023

Wireless reference implant

Home OSI² e.V. News Projects Search Hardware Other hardware (MR) Wireless reference implant EPTlib – A library for electric properties tomographyParallel transmission implant safety testbed Application Wireless reference implant hardware for safety testing in MRI. Contributors Berk Silemek¹, Frank Seifert¹, Lukas Winter¹ Contact berk.silemek@ptb.de Estimated cost Progress CERN-OHL-W v2 Resources https://gitlab1.ptb.de/mri-lab/reference-wireless-implant Wireless reference implant hardware [...]
On 8th December 2022

EPTlib – A library for electric properties tomography

Home OSI² e.V. News Projects Search Software Reconstruction EPTlib – A library for electric properties tomography 8-channel transmit/receive RF coil for 3TWireless reference implant Application EPTlib is a C++ library collecting electric properties tomography methods. It includes a terminal application for a simple ready-to-use adoption of the implemented methods. Contributors Alessandro Arduino¹ Contact a.arduino@inrim.it Estimated [...]
On 12th July 2022


The Latin American Hub for Bioimaging Through Open Hardware (LIBRE_hub) is a training network for open source bioimaging hardware in Latin America with the goal to empower regional researchers through practical workshops, seminars, networking, and online resources adapted to local needs and re-published…

On 7th May 2022

ISMRM 2022 London

After a virtual break of 2 years, the joint ISMRM/ESMRMB 2022 meeting is resuming in person in London, UK from 7th – 12th of May 2022. As usual, there will be fantastic open source content to be found throughout the conference. In particular, you should not miss the OSI² social and the “Build…

On 3rd September 2021

Policy brief on Open Hardware released

On March 8th and April 14th of 2021, the Gathering for Open Science Hardware (GOSH) convened two virtual writing workshops with open hardware practitioners and technology transfer officers to discuss the potential of open hardware for Technology Transfer Offices (TTOs). The following policy brief,…

On 9th August 2021

Matlab toolboxes for medical image analysis

Home OSI² e.V. News Projects Search Software Image processing/visualization Matlab toolboxes for medical image analysis SyneRBIMRI Compatible Wireless Sensors Application Image registration and segmentation, diffusion-MRI reconstruction and tractography, tissue thickness measurement, etc. Contributors Iman Aganj1 Contact iaganj@mgh.harvard.edu Estimated cost Free Progress Stable release (BSD-3-Clause) Resources https://nmr.mgh.harvard.edu/~iman/software These tools are useful for the following neuro- and [...]
On 1st June 2021

Launching the next stage of the Open Source MR project

After tremendous efforts in the past years of the open source scientific community, we are happily announcing that the next stage of the open source MR project is launching. In the next stage, multiple institutions will be building the next generation of these scanners, testing, upgrading, and evaluating…

On 26th May 2021


CCP SyneRBI is a collaborative computational project in synergistic reconstruction for biomedical imaging. Its main software package SIRF is an open-source framework for synergistic image reconstruction.


Halbach array magnet for in vivo imaging

This project describes the construction of a 27 cm diameter, 50 cm long homogeneous Halbach array magnet. It consists of 23 rings, each with two layers of 12x12x12 permanent magnets. Design files are provided for those wanting to laser cut, CNC mill, or water-jet cut the positions of the magnets.…

On 1st October 2020

Updates on OSI² at the ESMRMB 2020

If you would like to get updated on the current progress, future steps and vision of our Open Source Imaging Initiative (OSI²), please have a look at this presentation at the virtual conference of the European Society for Magnetic Resonance in Medicine (ESMRMB).

On 16th September 2020

MR Engineering Challenge 2021 Launched

The ISMRM study group for MR Engineering launched a new challenge to develop, demonstrate and share a tool for cleaning and sanitizing an MRI scanner protecting the next patient and workers. Develop quick, easy, cost effective and safe to use solutions.

On 27th May 2020

ISMRM Virtual Meeting on MR Engineering

Interested in MR hardware across field strengths? Then join the 1,5 hour long ISMRM virtual meeting of the MR Engineering study group on

Thursday, 4th of June 2020 at 8:00 am (US-PDT)
Register here (for ISMRM members): https://www.ismrm.org/virtual-meetings/

Next to updates from…

On 26th March 2020

Open projects to solve or treat COVID-19

Here is a collection of open projects to help fighting the current COVID-19 situation. List of respiratory open hardware projects: https://sites.google.com/view/coronavirus-openkit/open-hardware List of online activities to co-create solutions: https://sites.google.com/view/coronavirus-openkit/hackathons


On 20th January 2020


This GPA originated from a collaboration with Jason Stockmann (MGH Harvard). The device can drive up to 4 channels with max 10 A. It is controlled via a single SPI galvanically isolated connection that is also used to read information from the current sensors. Sample code for an Arduino is given that…

On 7th January 2020

Open hardware observatory launched

Recently the open hardware observatory (OHO) was launched. OHO is a search engine for sustainable open hardware, open design and maker projects crawling the web and making its open contents searchable for you. Start searching and build a better tomorrow.



The hMRI-toolbox is an easy-to-use open-source and flexible tool, for qMRI data handling and processing. It allows the estimation of high-quality multi-parameter qMRI maps (longitudinal and effective transverse relaxation rates R1 and R2*, proton density PD and magnetisation transfer MT saturation),…

On 20th December 2019

Open Hardware from Academia Incubator

Open access publishing, open data, and open source software are becoming the norm in academia. Is open hardware next? The University of Bath Open Source Hardware Group invites you to a 3-day incubator to explore the challenges faced when making open hardware, and work together to propose solutions.

On 10th October 2019

Open source arrives at IEEE

The open source movement continues spreading and arrives at the Institute of Electrical and Electronics Engineers (IEEE) Standards Association. In case you are not familiar with IEEE, it is the world’s largest professional association advancing technology for humanity. In the words of Joshua…

On 12th May 2019

Wiki launched

After a productive brainstorming and hacking session at the MRathon (hackathon for MR professionals) in Montreal, Canada, we finally launched our Wiki!
Now its up to you, the community to contribute to the wiki and create an open source knowledge base around MR research and development. Open…


Bilateral Breast Fusion Algorithms

The integrated models can be used for the study of Specific Absorption Rate (SAR) and thermal analysis in radio-frequency(RF) exposure. The following methodology has the potential to be applied on any patient-based whole-body breast models.

On 23rd April 2019

Standard and Guideline on Open Source Hardware

On 17th of April we started our kick-off meeting on a DIN SPEC standard and guideline on Open Source Hardware. The consortium consist of many international experts developing, researching and selling open source hardware and open source software. The final documents, consisting of a standard and guideline,…

On 16th April 2019

Questionnaire on reproducibility

The ISMRM Reproducible Research Study Group would like to find out what the ISMRM Membership thinks about problems related to reproducibility – and what the study group might be able to do to improve things.
The Questionnaire has 5 sections – and should only take around 5-10 mins to complete…

On 11th April 2019

Reproduce a seminal paper initiative

The ISMRM study group for reproducible research just launched the 2019 reproduce a seminal paper initiative. The goal of this initiative is to select seminal papers from the field of magnetic resonance, and ask the community to reproduce the core findings/algorithms/implementations from these papers.

On 25th March 2019

What the Hack? MRathon launching prior to ISMRM

Time for a hackathon to promote reproducibility, collaboration, and standards through open source practices in magnetic resonance. The MR Hackathon (MRathon) that we are co-organizing is scheduled for May 9-10 2019 at the Ecole Polytechnique de Montreal, Montreal, Canada. Right before the annual meeting…

On 31st December 2018

First MR Image acquired

Happy old year! We are happy to announce that we acquired a first image in October this year with our open source Desktop MR system. We packed our magnet into the car in Berlin, drove down some 800km to LUMC in Leiden Netherlands, did a bit of magic and voila. This is a great success and it was a…

On 10th December 2018

Call for Open Source Software Tools Demos – ISMRM 2019

An interesting call for proposals (organized by Miki Lustig, Larry Wald and Tony Stoecker) has been launched that addresses open source software developers of sequence design, simulation and image reconstruction software to present and demonstrate their tools at the ISMRM 2019 in Montreal, Canada.…

On 6th December 2018

Ready for a challenge? Call for Ideas Open Now

Any good ideas to meet three important MR challenges from Africa, India and South America? We are happy to announce that the call for ideas is open and the best ideas will be presented at the ISMRM 2019 in Monreal, Canada. Moreover you will get a chance to work in teams to realize your ideas. You…

On 3rd December 2018

32-channel RF receive chain amplifiers

This modular system provides bias tees for first stage RF preamplifiers, second stage amplification, and programmable attenuation for use in MR scanners and other RF signal applications (at least up to several hundred MHz). Accommodates 32 channels and can be extended by daisy-chaining additional…

On 25th May 2018

Paris, Open Source Standards and Publications

Dear Open-Source friends, here are the latest news around the Open Source Imaging Initiative (OSI²), a collaborative effort towards open source research and the development of an open source MRI. Updates include Paris the city of love and open source, open source standards/hardware for RF coil developers…

On 29th March 2017

Goodbye Olsztyn…Aloha Hawaii

After presenting (Lionel Broche, University of Aberdeen, Scotland) at the European Network on NMR Relaxometry (EURELAX) in Olsztyn Poland earlier this year we are heading next to Hawaii for the 25th annual meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2017). Our abstracts…

On 24th March 2017

Join OSI² on Slack

Talk to us! After an initial testing phase we are ready to communicate over Slack. Do you want to discuss, share ideas, participate, criticize, inspire, motivate and basically shape the future of Open Source Imaging?

Then follow the instructions here: http://www.opensourceimaging.org/slack/…

On 31st December 2016

Happy old year, Happy new year!

With the year 2016 ending we would like to say thank you to all of you for your tremendous support! This was the year of birth of opensourceimaging.org and the start of the open source imaging initiative. It was a lot of fun watching our initiative grow and develop.

A short update on the latest…

On 6th October 2016

Petition started: ISMRM Study Group on Reproducible Research

A petition has been started by Michael Hansen (NIH, Bethesda, US) and others working on Open Source Software in the MR community to create an ISMRM study group on reproducible research. We talked to Michael and once the study group is formed Open Source Hardware will be included as well. So please…

On 28th September 2016

15th Open Source Project Added

We have already 15 projects uploaded!

What can you do with the last five uploads? Well, e.g. you can reconstruct your images using BART or Gagdetron, convert them to the open data format ISMRMRD in order to share your data with your collaborators, who can use the result for simple image registration…

On 26th September 2016

Opencore NMR

OPENCORE NMR is an open-source toolkit for implementing an NMR spectrometer. This console has the size of a laptop computer, making it easy to transport. The cost of its parts is very low compared to the prize of commercial systems.



Gadgetron is an open source framework for medical image reconstruction. It consists of two main components: First, a modular, high performance framework for streaming data processing through a set of modules or “Gadgets”. Second, it provides a set of tool-boxes for common image reconstruction…

On 25th September 2016

Science Hacking

Flower pots that generate energy, polygon evolution, experiencing quantum mechanics in virtual reality and many more fun projects at the Science Hack Day Berlin. The idea of the Science Hack Day: Connecting the scientific and maker community for 24 hours and see what happens. Brilliant, just imagine…

On 9th September 2016

Bringing affordable medical devices to the World (Health Summit)

Many crucial medical devices are beyond the reach of patients throughout the world. We believe that an open source approach to medical hardware design will engage communities of developers and produce simple, practical and innovative instruments. Local development, customized production and global…


Globalizing Medical Imaging – MDC insights interview

Our interview for MDC insights the online news platform of the Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC) got published. Many thanks to Russ Hodge for the interview and Martin Ballaschk for editing. Can we as a community globalize medical imaging?

On 15th August 2016

Open Innovation and Open Science in Europe

Research in Europe is opening up. Based on a recent report of the Council of the European Union, all publicly funded research shall be freely available (open access) to the public from 2020 [1]. Licensing models shall be promoted, such as creative commons for scientific publications and research data…

On 8th July 2016

10th Open Source Project Added

We are happy to announce that the 10th open source project has been added to the project section. Thanks to all contributors! We also added a search/filter function to the projects section (thanks Sergej) and the newsletter will be launched very soon, so subscribe to receive the fancy updates. Don’t…



PowerGrid is an accelerated, open source, freely available toolkit for iterative reconstruction supporting non-Cartesian trajectories. Using high level compiler directives, GPU accelerated Fourier transform operators were implemented in a high level syntax designed to correlate with the popular Image…

On 5th June 2016

Flash Grant Received

We are happy to announce that Open Source Imaging has been identified as an “impressive change agent” by the Shuttleworth Foundation and awarded us with a Flash Grant. The Shuttleworth Foundation supports social innovators for an open knowledge society.
Thumbs up for the Shuttleworth…

On 2nd June 2016

Opening Up MR Value

Happy Birthday Paul Lauterbur! As a birthday gift, we have launched OpenSourceImaging.org on 6th of May 2016. Few days later the open source imaging initiative (OSI²) [1] has been successfully presented at the 24th annual meeting of the International Society for Magnetic Resonance in Medicine (ISMRM)…

On 31st May 2016

Minimum Field Strength Simulator

A framework for simulating low-field proton-density weighted MRI acquisitions based on high-field acquisitions, which could be used to predict the minimum B0 field strength requirements for MRI techniques. This framework would be particularly useful in the evaluation of de-noising and constrained…

On 2nd May 2016

OSI² presentation at the 24th ISMRM in Singapore

Kick-Off for the Open Source Imaging Initiative (OSI²) at the 24th annual meeting of the ISMRM in Singapore, the biggest MR technology related conference in the world. Our abstract has been accepted as part of “The MR Value Initiative”. Meet Lukas Winter at the electronic poster and learn more…

On 1st May 2016

About OSI²

The Open Source Imaging Initiative (OSI²) represents a new approach to the development of medical imaging devices, aiming to make the health-care benefits of modern instruments accessible to many more people around the globe. The project will pool the knowledge and experience of many experts in open-source…


COSI Measure

COSI Measure is an open source multipurpose 3-axis robotic system that allows submillimeter movements for applications such as static/dynamic field mapping, CNC machinery or 3D printing.