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Experimental Tests on TIR Multispectral Images for Temperature-Emissivity Separation by Using the MaxEnTES Algorithm

Vanni Nardino, Gabriele Amato, Donatella Guzzi, Cinzia Lastri, Valentina Raimondi
2019 Proceedings (MDPI)  
The retrieval of temperature and emissivity from the emitted radiance, however, requires the use of suitable algorithms, such as the MaxEnTES that uses the concept of maximum entropy to solve the Temperature-Emissivity  ...  Separation problem.  ...  The retrieval of temperature and emissivity from the emitted radiance-the Temperature/Emissivity Separation (TES)-is an ill-posed problem since the number of available measurements 'n' is less than the  ... 
doi:10.3390/proceedings2019027010 fatcat:toy6tqz6enfqvk5c3hakan2soy

Simulated annealing approach to temperature–emissivity separation in thermal remote sensing

John A. Morgan
2016 Journal of Applied Remote Sensing  
The method of simulated annealing is adapted to the temperature-emissivity separation problem.  ...  The average of a large number of simulated annealing solutions, however, converges almost surely to a unique maximum a-posteriori (MAP) solution for T and ϵðkÞ.  ...  Introduction The temperature-emissivity separation (TES) problem bedevils any attempt to extract spectral information from remote sensing in the thermal infrared.  ... 
doi:10.1117/1.jrs.10.040501 fatcat:e3av6aft6va6dms3jo6vupupae

Simulated Annealing Approach to the Temperature-Emissivity Separation Problem in Thermal Remote Sensing Part One: Mathematical Background [article]

John A. Morgan
2016 arXiv   pre-print
The method of simulated annealing is adapted to the temperature-emissivity separation (TES) problem.  ...  The average of a large number of simulated annealing solutions, however, converges almost surely to a unique Maximum A-Posteriori solution for T and ϵ(k).  ...  Simulated Annealing and the temperature-emissivity separation problem A.  ... 
arXiv:1602.05497v1 fatcat:kkcbgceygndwjiomumrvhghcli

Simulating the performance of MaxEnTes temperature-emissivity separation algorithm

A. Barducci, D. Guzzi, C. Lastri, V. Nardino, P. Marcoionni, I. Pippi
2012 Proceedings of the 2012 International Conference on Quantitative InfraRed Thermography   unpublished
In this work the Maximum Entropy Temperature and Emissivity Separation (MaxEnTes) devoted to the retrieval of both temperature and spectral emissivity of a remote target is introduced and described summarizing  ...  Temperature and emissivity separation (TES) as applied to multispectral Thermal Infrared (TIR) images of the Earth surface provides temperature and emissivity, relevant parameters for Earth observation  ...  In this paper, an advanced temperature/emissivity separation algorithm based on the MaxEnt approach is presented.  ... 
doi:10.21611/qirt.2012.171 fatcat:ajsl2l4uzvbizl4bmhi3iqkg7q

Separation between Coal and Gangue based on Infrared Radiation and Visual Extraction of the YCbCr Color Space

Refat M.A. Eshaq, Eryi Hu, Menggang Li, Murad S. Alfarzaeai
2020 IEEE Access  
Thus, we suggest preparation steps to obtain one select feature before importing the data into the SVM classifier, and this approach is adopted as the fundamental basis for our work.  ...  Moreover, both the dangers and poor detection rate of X-rays, which are utilized in identifying coal and gangue to separate them, in addition to ultraviolet light, which is used for the same purpose, are  ...  RESULTS BASED ON GLI AND GLCM FEATURE EXTRACTION As we mentioned in section III (see Fig. 4 ), there are correlations between the temperature, emissivity, wavelength and photons.  ... 
doi:10.1109/access.2020.2981534 fatcat:mjh4ylsikveopl5whuuqt635dq

Bayesian estimation for land surface temperature retrieval: the nuisance of emissivities

J.A. Morgan
2005 IEEE Transactions on Geoscience and Remote Sensing  
The starting point is the maximum entropy estimate for the posterior distribution of radiance in multiple bands.  ...  An approach to the remote sensing of land surface temperature is developed using the methods of Bayesian inference.  ...  Accordingly, the problem of temperature-emissivity separation merits close examination.  ... 
doi:10.1109/tgrs.2005.845637 fatcat:adk4oydvp5ajjkritavcy7wgny

On measuring the acoustic state changes in lipid membranes using fluorescent probes

Shamit Shrivastava, Robin O. Cleveland, Matthias F. Schneider
2018 Soft Matter  
(39) 4 Laurdan and Prodan in DSPC vesicles Pressure and Temperature Emission Spectrum (1) FWHM for both Laurdan and Prodan, as a function of pressure, has a maximum at the pressure  ...  Realizing that the most probable energy state 1 0 of the dye lies at the maximum of entropy potential, the Taylor expansion of the entropy up to second term so on, eq.(2) can be reduced to (29) ; the units  ... 
doi:10.1039/c8sm01635f pmid:30462137 fatcat:ufhv5iia4rfczieshk5kmqdhle

Radiative deformation

V. S. Arpaci, A. Esmaeeli
2000 Journal of Applied Physics  
An infinitesimal change ␦Q in heat flux Q is shown, in terms of entropy flux ⌿ϭQ/T, to have two parts, ␦QϭT␦⌿ϩ⌿␦T.  ...  It is shown that the thermal part of the rate of local entropy generation is related to the local rate of thermal deformation by sٞϭ Ϫ i /T(‫ץ‬T/‫ץ‬x i ), where i ϭq i /T, i being the rate of entropy flux  ...  Then, for specified temperature, emissivities, gas optical thickness, and geometry, sٞT 5 ϭConst. which can also be seen directly from Eq. ͑57͒. B.  ... 
doi:10.1063/1.372239 fatcat:icgihr3bfvdkvb7q7rsdvyxxce

Heat meets light on the nanoscale

Svetlana V. Boriskina, Jonathan K. Tong, Wei-Chun Hsu, Bolin Liao, Yi Huang, Vazrik Chiloyan, Gang Chen
2016 Nanophotonics  
The topics covered range from the basics of the thermodynamics of light emission and absorption to applications in solar thermal energy generation, thermophotovoltaics, optical refrigeration, personalized  ...  Figure 2a also shows that high-temperature emission is characterized by lower entropy content than the low-temperature one for any value of the chemical potential of photons.  ...  However, these details cannot be ignored when the separation between thermal emitters and absorbers approaches atomic length scales.  ... 
doi:10.1515/nanoph-2016-0010 fatcat:6rfr5fdugfhpxp6abqg4zty7q4

External Benefit Evaluation of Renewable Energy Power in China for Sustainability

Huiru Zhao, Sen Guo
2015 Sustainability  
Evaluating the external benefits of renewable energy power can provide a reference for the Chinese government to set diverse development goals and to implement differentiated supporting policies for different  ...  Then, the basic theory of the hybrid MCDM method employed in this paper was introduced in two parts: the superiority linguistic ratings and entropy weighting method for index weight determination and the  ...  [15] analyzed the possible climatic impacts (including global-mean surface temperature, emissions of CO2 and air pollutants) of wind power at regional to global scales by using two general circulation  ... 
doi:10.3390/su7054783 fatcat:wwdkzv3r7bhpvh77eqzkeoz5ze

A Comprehensive Three-Dimensional Analysis of a Large-Scale Multi-Fuel CFB Boiler Burning Coal and Syngas. Part 1. The CFD Model of a Large-Scale Multi-Fuel CFB Combustion

Jaroslaw Krzywanski, Karol Sztekler, Mateusz Szubel, Tomasz Siwek, Wojciech Nowak, Łukasz Mika
2020 Entropy  
A comprehensive three-dimensional computational fluid dynamics (CFD) model is developed, which allows us to describe complex phenomena that occur in the combustion chamber of the CFB boiler burning coal  ...  emissivity of gases, while b ε,i,j and κ i are estimated by matching Equation (46) to the total emissivity obtained experimentally [43, 44, 46] .  ...  The maximum allowed radius of curvature between adjacent tops of grid cells on curves was equal to 18°.  ... 
doi:10.3390/e22090964 pmid:33286733 fatcat:w5ft7y42cvbk7brbgcgor5grue

Mapping High-Resolution Soil Moisture over Heterogeneous Cropland Using Multi-Resource Remote Sensing and Ground Observations

Lei Fan, Qing Xiao, Jianguang Wen, Qiang Liu, Rui Jin, Dongqing You, Xiaowen Li
2015 Remote Sensing  
In this paper, the Bayesian Maximum Entropy (BME) methodology is implemented to merge the following four types of observed data to obtain the spatial distribution of SM at 100 m scale: soil moisture observed  ...  By adding irrigation statistics to the merged datasets, the overall RMSD of the BME predictions during the low-vegetated periods can be successively reduced from 0.052 m 3 · m −3 to 0.033 m 3 · m −3 .  ...  The authors would like to thank all of the scientists, engineers, and students who participated in the HiWATER campaigns, which provided airborne products and WSN data products for this work.  ... 
doi:10.3390/rs71013273 fatcat:d2dc5dbtare4fg4ezjq2okhnne

Large-amplitude coherent phonons and inverse Stone-Wales transitions in graphitic systems with defects interacting with ultrashort laser pulses

Felipe Valencia, Aldo H. Romero, Harald O. Jeschke, Martin E. Garcia
2006 Physical Review B  
transition state approaches.  ...  The mechanical response of a defective graphene layer to an ultrafast laser pulse is investigated through nonadiabatic molecular dynamics simulations.  ...  If the electronic entropy contribution is high enough for the system to overcome this barrier, it is also high enough to break the molecule. VII.  ... 
doi:10.1103/physrevb.74.075409 fatcat:t3lnmdaxorellc64uxvu2qojkm

Implications of Halo Inside‐Out Growth for the X‐Ray Properties of Nearby Galaxy Systems within the Preheating Scenario

J. M. Solanes, A. Manrique, G. Gonzalez‐Casado, E. Salvador‐Sole
2005 Astrophysical Journal  
intrahalo medium for galaxy systems with total masses above 2× 10^13, does not produce baryonic configurations with large isentropic cores, and reproduces faithfully the observed behavior of the gas entropy  ...  This model is used to explain, within a standard ΛCDM cosmogony, the observed X-ray properties of nearby relaxed, non-cooling flow groups and clusters of galaxies.  ...  to constraints found in the literature is very assuring and can be viewed as a further endorsement of the consistency of our approach.  ... 
doi:10.1086/430820 fatcat:2d56dqu5xraarpwuq2iab6iezi

Anti-Stokes cooling in semiconductor nanocrystal quantum dots: A feasibility study

Yury P. Rakovich, John F. Donegan, Mikhail I. Vasilevskiy, Andrey L. Rogach
2009 Physica Status Solidi (a) applications and materials science  
The latter is determined by the QD radius distribution Figure 7 (online color at: Calculated room temperature emission and absorption spectra of a colloidal solution of CdSe QDs.  ...  Energy and entropy are output to the hot reservoir (vacuum at T = 0 K), with the coolant experiencing changes in energy and entropy.  ... 
doi:10.1002/pssa.200925052 fatcat:xnhbh7y3gvawdmkaod2gfqiobu
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