Data access & tools · Analysis toolkit
impSQI
MATLAB wearable data analysis toolkit
What is impSQI?
impSQI is a MATLAB implementation of a signal quality index for impedance pneumography, reproducing the algorithm reported by Charlton et al. for respiratory rate monitoring (doi 10.1016/j.bspc.2020.102339).
impSQI at a glance
- Type
- Analysis toolkit
- Devices supported
- Device-agnostic: SQI for impedance pneumography signals in MATLAB.
- Open source
- Yes
- Signals
- Category
- Signal quality
- Language
- MATLAB
- Licence
- GPL-3.0
- Commercial use
- yes
- Maintenance
- Last commit 1 to 3 years ago (as of Oct 21, 2026)
- Last commit
- Oct 24, 2024
- Repository
- Not archived
Code & repos
Where these facts come from
Checked on Nov 9, 2026 against the project’s own pages:
Related open-source tools
Other Wearable Signal Tools that share a signal with impSQI.
- NeuroKit2PPGECGEDAEEGRespirationLicence: MIT
- BIOBSSPPGECGEDARespirationLicence: MIT
- ProtoCentral HealthyPi 5 NEXT firmwarePPGECGRespirationTemperatureLicence: MIT
- ECG-Derived Respiration (EDR)ECGRespirationLicence: ODC-By-1.0
- peakdetECGRespirationLicence: Apache-2.0
- BioSPPyECGPPGEDARespirationEEGLicence: BSD-3-Clause
Questions about impSQI
What is impSQI used for?
impSQI is a MATLAB implementation of a signal quality index for impedance pneumography, reproducing the algorithm reported by Charlton et al. for respiratory rate monitoring (doi 10.1016/j.bspc.2020.102339). ChatPPG lists it as a analysis toolkit.
Which devices does impSQI support?
Device-agnostic: SQI for impedance pneumography signals in MATLAB.
Is impSQI open source?
Yes. Licence: GPL-3.0.
Is impSQI still maintained?
Its repository's last commit was on Oct 24, 2024 (checked Nov 9, 2026).
Summary, licence and commercial-use fields are shown as recorded for this project. Maintenance is computed from the last commit date. Check the project’s own repository for its current licence and status.