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Introduction to the shared near infrared spectroscopy format
Stephen Tucker1, Jay Dubb1, Sreekanth Kura1
1Boston University, Neurophotonics Center, Department of Biomedical Engineering, Boston, Massachusetts, United States.
A new standard file format, the Shared NIRS Format (SNIRF), has been developed for functional near-infrared spectroscopy (fNIRS) data. This format facilitates data sharing and analysis across different hardware and software platforms.
Area of Science:
- Neuroimaging
- Biomedical Engineering
Background:
- Functional near-infrared spectroscopy (fNIRS) is a widely used neuroimaging technique.
- Lack of a standardized file format hinders fNIRS data sharing and software development.
Purpose of the Study:
- To design a flexible and well-defined file format for fNIRS data.
- To facilitate consistent data analysis and sharing across platforms.
Main Methods:
- Developed the Shared NIRS Format (SNIRF) specification.
- Collaborated with the fNIRS academic and commercial community and the Society for functional Near Infrared Spectroscopy.
Main Results:
- The SNIRF specification accommodates various fNIRS data types (continuous wave, frequency domain, time domain, diffuse correlation spectroscopy).
- Validation software and example datasets are provided.
- Major hardware and software platforms now support SNIRF.
Conclusions:
- The SNIRF format has been widely adopted by the fNIRS community.
- It successfully addresses the need for standardized fNIRS data storage, analysis, and sharing.
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