Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals

Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contac...
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Gespeichert in:

Autor*in:	Su-Gyeong Yu [verfasserIn] So-Eui Kim [verfasserIn] Na Hye Kim [verfasserIn] Kun Ha Suh [verfasserIn] Eui Chul Lee [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system

Übergeordnetes Werk:	In: Sensors - MDPI AG, 2003, 21(2021), 18, p 6241
Übergeordnetes Werk:	volume:21 ; year:2021 ; number:18, p 6241

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/s21186241

Katalog-ID:	DOAJ08471462X

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520			\|a Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0.
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allfields	10.3390/s21186241 doi (DE-627)DOAJ08471462X (DE-599)DOAJ0d044150274f43229be559341b25224d DE-627 ger DE-627 rakwb eng TP1-1185 Su-Gyeong Yu verfasserin aut Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0. contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system Chemical technology So-Eui Kim verfasserin aut Na Hye Kim verfasserin aut Kun Ha Suh verfasserin aut Eui Chul Lee verfasserin aut In Sensors MDPI AG, 2003 21(2021), 18, p 6241 (DE-627)331640910 (DE-600)2052857-7 14248220 nnns volume:21 year:2021 number:18, p 6241 https://doi.org/10.3390/s21186241 kostenfrei https://doaj.org/article/0d044150274f43229be559341b25224d kostenfrei https://www.mdpi.com/1424-8220/21/18/6241 kostenfrei https://doaj.org/toc/1424-8220 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2111 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2021 18, p 6241
spelling	10.3390/s21186241 doi (DE-627)DOAJ08471462X (DE-599)DOAJ0d044150274f43229be559341b25224d DE-627 ger DE-627 rakwb eng TP1-1185 Su-Gyeong Yu verfasserin aut Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0. contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system Chemical technology So-Eui Kim verfasserin aut Na Hye Kim verfasserin aut Kun Ha Suh verfasserin aut Eui Chul Lee verfasserin aut In Sensors MDPI AG, 2003 21(2021), 18, p 6241 (DE-627)331640910 (DE-600)2052857-7 14248220 nnns volume:21 year:2021 number:18, p 6241 https://doi.org/10.3390/s21186241 kostenfrei https://doaj.org/article/0d044150274f43229be559341b25224d kostenfrei https://www.mdpi.com/1424-8220/21/18/6241 kostenfrei https://doaj.org/toc/1424-8220 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2111 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2021 18, p 6241
allfields_unstemmed	10.3390/s21186241 doi (DE-627)DOAJ08471462X (DE-599)DOAJ0d044150274f43229be559341b25224d DE-627 ger DE-627 rakwb eng TP1-1185 Su-Gyeong Yu verfasserin aut Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0. contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system Chemical technology So-Eui Kim verfasserin aut Na Hye Kim verfasserin aut Kun Ha Suh verfasserin aut Eui Chul Lee verfasserin aut In Sensors MDPI AG, 2003 21(2021), 18, p 6241 (DE-627)331640910 (DE-600)2052857-7 14248220 nnns volume:21 year:2021 number:18, p 6241 https://doi.org/10.3390/s21186241 kostenfrei https://doaj.org/article/0d044150274f43229be559341b25224d kostenfrei https://www.mdpi.com/1424-8220/21/18/6241 kostenfrei https://doaj.org/toc/1424-8220 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2111 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2021 18, p 6241
allfieldsGer	10.3390/s21186241 doi (DE-627)DOAJ08471462X (DE-599)DOAJ0d044150274f43229be559341b25224d DE-627 ger DE-627 rakwb eng TP1-1185 Su-Gyeong Yu verfasserin aut Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0. contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system Chemical technology So-Eui Kim verfasserin aut Na Hye Kim verfasserin aut Kun Ha Suh verfasserin aut Eui Chul Lee verfasserin aut In Sensors MDPI AG, 2003 21(2021), 18, p 6241 (DE-627)331640910 (DE-600)2052857-7 14248220 nnns volume:21 year:2021 number:18, p 6241 https://doi.org/10.3390/s21186241 kostenfrei https://doaj.org/article/0d044150274f43229be559341b25224d kostenfrei https://www.mdpi.com/1424-8220/21/18/6241 kostenfrei https://doaj.org/toc/1424-8220 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2111 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2021 18, p 6241
allfieldsSound	10.3390/s21186241 doi (DE-627)DOAJ08471462X (DE-599)DOAJ0d044150274f43229be559341b25224d DE-627 ger DE-627 rakwb eng TP1-1185 Su-Gyeong Yu verfasserin aut Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0. contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system Chemical technology So-Eui Kim verfasserin aut Na Hye Kim verfasserin aut Kun Ha Suh verfasserin aut Eui Chul Lee verfasserin aut In Sensors MDPI AG, 2003 21(2021), 18, p 6241 (DE-627)331640910 (DE-600)2052857-7 14248220 nnns volume:21 year:2021 number:18, p 6241 https://doi.org/10.3390/s21186241 kostenfrei https://doaj.org/article/0d044150274f43229be559341b25224d kostenfrei https://www.mdpi.com/1424-8220/21/18/6241 kostenfrei https://doaj.org/toc/1424-8220 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2111 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 21 2021 18, p 6241
language	English
source	In Sensors 21(2021), 18, p 6241 volume:21 year:2021 number:18, p 6241
sourceStr	In Sensors 21(2021), 18, p 6241 volume:21 year:2021 number:18, p 6241
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topic_facet	contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system Chemical technology
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container_title	Sensors
authorswithroles_txt_mv	Su-Gyeong Yu @@aut@@ So-Eui Kim @@aut@@ Na Hye Kim @@aut@@ Kun Ha Suh @@aut@@ Eui Chul Lee @@aut@@
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callnumber-first	T - Technology
author	Su-Gyeong Yu
spellingShingle	Su-Gyeong Yu misc TP1-1185 misc contact photoplethysmography misc remote photoplethysmography misc pulse rate variability misc photoplethysmography misc cardiovascular system misc Chemical technology Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals
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topic_title	TP1-1185 Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals contact photoplethysmography remote photoplethysmography pulse rate variability photoplethysmography cardiovascular system
topic	misc TP1-1185 misc contact photoplethysmography misc remote photoplethysmography misc pulse rate variability misc photoplethysmography misc cardiovascular system misc Chemical technology
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title	Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals
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title_sort	pulse rate variability analysis using remote photoplethysmography signals
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title_auth	Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals
abstract	Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0.
abstractGer	Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0.
abstract_unstemmed	Pulse rate variability (PRV) refers to the change in the interval between pulses in the blood volume pulse (BVP) signal acquired using photoplethysmography (PPG). PRV is an indicator of the health status of an individual’s autonomic nervous system. A representative method for measuring BVP is contact PPG (CPPG). CPPG may cause discomfort to a user, because the sensor is attached to the finger for measurements. In contrast, noncontact remote PPG (RPPG) extracts BVP signals from face data using a camera without the need for a sensor. However, because the existing RPPG is a technology that extracts a single pulse rate rather than a continuous BVP signal, it is difficult to extract additional health status indicators. Therefore, in this study, PRV analysis is performed using lab-based RPPG technology that can yield continuous BVP signals. In addition, we intended to confirm that the analysis of PRV via RPPG can be performed with the same quality as analysis via CPPG. The experimental results confirmed that the temporal and frequency parameters of PRV extracted from RPPG and CPPG were similar. In terms of correlation, the PRVs of RPPG and CPPG yielded correlation coefficients between 0.98 and 1.0.
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title_short	Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals
url	https://doi.org/10.3390/s21186241 https://doaj.org/article/0d044150274f43229be559341b25224d https://www.mdpi.com/1424-8220/21/18/6241 https://doaj.org/toc/1424-8220
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Pulse Rate Variability Analysis Using Remote Photoplethysmography Signals

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