Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution
The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio...
Ausführliche Beschreibung
Autor*in: |
Marcos Avinoa [verfasserIn] Xin Shen [verfasserIn] Salvador Bosch [verfasserIn] Bahram Javidi [verfasserIn] Artur Carnicer [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Übergeordnetes Werk: |
In: IEEE Photonics Journal - IEEE, 2015, 14(2022), 3, Seite 8 |
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Übergeordnetes Werk: |
volume:14 ; year:2022 ; number:3 ; pages:8 |
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DOI / URN: |
10.1109/JPHOT.2022.3176125 |
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520 | |a The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. | ||
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10.1109/JPHOT.2022.3176125 doi (DE-627)DOAJ02240578X (DE-599)DOAJ7a20bad4b9ec454f9d8b9db8d9be7b87 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Marcos Avinoa verfasserin aut Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. Optical imaging optical physics optical polarization stokes parameters Applied optics. Photonics Optics. Light Xin Shen verfasserin aut Salvador Bosch verfasserin aut Bahram Javidi verfasserin aut Artur Carnicer verfasserin aut In IEEE Photonics Journal IEEE, 2015 14(2022), 3, Seite 8 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:14 year:2022 number:3 pages:8 https://doi.org/10.1109/JPHOT.2022.3176125 kostenfrei https://doaj.org/article/7a20bad4b9ec454f9d8b9db8d9be7b87 kostenfrei https://ieeexplore.ieee.org/document/9779585/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 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 14 2022 3 8 |
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10.1109/JPHOT.2022.3176125 doi (DE-627)DOAJ02240578X (DE-599)DOAJ7a20bad4b9ec454f9d8b9db8d9be7b87 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Marcos Avinoa verfasserin aut Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. Optical imaging optical physics optical polarization stokes parameters Applied optics. Photonics Optics. Light Xin Shen verfasserin aut Salvador Bosch verfasserin aut Bahram Javidi verfasserin aut Artur Carnicer verfasserin aut In IEEE Photonics Journal IEEE, 2015 14(2022), 3, Seite 8 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:14 year:2022 number:3 pages:8 https://doi.org/10.1109/JPHOT.2022.3176125 kostenfrei https://doaj.org/article/7a20bad4b9ec454f9d8b9db8d9be7b87 kostenfrei https://ieeexplore.ieee.org/document/9779585/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 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 14 2022 3 8 |
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10.1109/JPHOT.2022.3176125 doi (DE-627)DOAJ02240578X (DE-599)DOAJ7a20bad4b9ec454f9d8b9db8d9be7b87 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Marcos Avinoa verfasserin aut Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. Optical imaging optical physics optical polarization stokes parameters Applied optics. Photonics Optics. Light Xin Shen verfasserin aut Salvador Bosch verfasserin aut Bahram Javidi verfasserin aut Artur Carnicer verfasserin aut In IEEE Photonics Journal IEEE, 2015 14(2022), 3, Seite 8 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:14 year:2022 number:3 pages:8 https://doi.org/10.1109/JPHOT.2022.3176125 kostenfrei https://doaj.org/article/7a20bad4b9ec454f9d8b9db8d9be7b87 kostenfrei https://ieeexplore.ieee.org/document/9779585/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 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 14 2022 3 8 |
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10.1109/JPHOT.2022.3176125 doi (DE-627)DOAJ02240578X (DE-599)DOAJ7a20bad4b9ec454f9d8b9db8d9be7b87 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Marcos Avinoa verfasserin aut Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. Optical imaging optical physics optical polarization stokes parameters Applied optics. Photonics Optics. Light Xin Shen verfasserin aut Salvador Bosch verfasserin aut Bahram Javidi verfasserin aut Artur Carnicer verfasserin aut In IEEE Photonics Journal IEEE, 2015 14(2022), 3, Seite 8 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:14 year:2022 number:3 pages:8 https://doi.org/10.1109/JPHOT.2022.3176125 kostenfrei https://doaj.org/article/7a20bad4b9ec454f9d8b9db8d9be7b87 kostenfrei https://ieeexplore.ieee.org/document/9779585/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 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 14 2022 3 8 |
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Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution |
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The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. |
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The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. |
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The Degree of Polarization (DoP) of a light beam inside a medium contains unique information about the medium. 3D imaging techniques constitute an optimal procedure for determining the DoP under low light conditions, as the computational reconstruction process can increase the signal-to-noise ratio of the detected light. The definition of the DoP contains a division by the total number of detected photons from the sensor. However, under photon starved conditions, the number of detected photons at a single time period may be equal to zero. This may pose a division by zero problem for the computation of DoP. In this work, we consider a truncated Poisson distribution to overcome this problem and show that the mean value of the computed DoP goes to zero independently of the state of polarization of the light. The validity of our approach is verified by capturing the light fields of a test object to compute its DoP under low light conditions. The formulae derived in this work can be used to correct the deviation of the mean value of the DoP with respect to the ideal measurements. |
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Estimation of Degree of Polarization in Low Light Using Truncated Poisson Distribution |
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