Introduction to the shared near infrared spectroscopy format

Stephen Tucker; Jay Dubb; Sreekanth Kura; Alexander von Lühmann; Robert Franke; Jörn M. Horschig; Samuel Powell; Robert Oostenveld; Michael Lührs; Édouard Delaire; Zahra M. Aghajan; Hanseok Yun; Meryem A. Yücel; Qianqian Fang; Theodore J. Huppert; Blaise deB. Frederick; Luca Pollonini; David A. Boas; Robert Luke

doi:10.1117/1.NPh.10.1.013507

9 December 2022 Introduction to the shared near infrared spectroscopy format

Stephen Tucker, Jay Dubb, Sreekanth Kura, Alexander von Lühmann, Robert Franke, Jörn M. Horschig, Samuel Powell, Robert Oostenveld, Michael Lührs, Édouard Delaire, Zahra M. Aghajan, Hanseok Yun, Meryem A. Yücel, Qianqian Fang, Theodore J. Huppert, Blaise deB. Frederick, Luca Pollonini, David A. Boas, Robert Luke

Author Affiliations +

Neurophotonics, Vol. 10, Issue 1, 013507 (December 2022). https://doi.org/10.1117/1.NPh.10.1.013507

Abstract

Significance

Functional near-infrared spectroscopy (fNIRS) is a popular neuroimaging technique with proliferating hardware platforms, analysis approaches, and software tools. There has not been a standardized file format for storing fNIRS data, which has hindered the sharing of data as well as the adoption and development of software tools.

Aim

We endeavored to design a file format to facilitate the analysis and sharing of fNIRS data that is flexible enough to meet the community’s needs and sufficiently defined to be implemented consistently across various hardware and software platforms.

Approach

The shared NIRS format (SNIRF) specification was developed in consultation with the academic and commercial fNIRS community and the Society for functional Near Infrared Spectroscopy.

Results

The SNIRF specification defines a format for fNIRS data acquired using continuous wave, frequency domain, time domain, and diffuse correlation spectroscopy devices.

Conclusions

We present the SNIRF along with validation software and example datasets. Support for reading and writing SNIRF data has been implemented by major hardware and software platforms, and the format has found widespread use in the fNIRS community.

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Stephen Tucker, Jay Dubb, Sreekanth Kura, Alexander von Lühmann, Robert Franke, Jörn M. Horschig, Samuel Powell, Robert Oostenveld, Michael Lührs, Édouard Delaire, Zahra M. Aghajan, Hanseok Yun, Meryem A. Yücel, Qianqian Fang, Theodore J. Huppert, Blaise deB. Frederick, Luca Pollonini, David A. Boas, and Robert Luke "Introduction to the shared near infrared spectroscopy format," Neurophotonics 10(1), 013507 (9 December 2022). https://doi.org/10.1117/1.NPh.10.1.013507

Received: 31 July 2022; Accepted: 23 November 2022; Published: 9 December 2022

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