Academic literature on the topic 'Kubelka-Munk'
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Journal articles on the topic "Kubelka-Munk"
Loyalka, S. K., and C. A. Riggs. "Inverse Problem in Diffuse Reflectance Spectroscopy: Accuracy of the Kubelka-Munk Equations." Applied Spectroscopy 49, no. 8 (August 1995): 1107–10. http://dx.doi.org/10.1366/0003702953964976.
Full textBonham, James S. "Fluorescence and kubelka-munk theory." Color Research & Application 11, no. 3 (1986): 223–30. http://dx.doi.org/10.1002/col.5080110310.
Full textAKPINAR, Ömer, Ahmet BİLGİLİ, Mustafa ÖZTÜRK, and Süleyman ÖZÇELİK. "Optical Properties of AlInN/AlN HEMTs in Detail." Karadeniz Fen Bilimleri Dergisi 12, no. 2 (December 15, 2022): 521–29. http://dx.doi.org/10.31466/kfbd.954421.
Full textYang, Hong Ying, Jin Li Zhou, Zhi Wen Que, and Xiao Dan Ma. "The Influence of Dye Concentration on Kubelka-Munk Fundamental Optical Parameters of Fabric." Advanced Materials Research 332-334 (September 2011): 481–84. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.481.
Full textShen, Jing, Ya Li, and Ji-Huan He. "On the Kubelka–Munk absorption coefficient." Dyes and Pigments 127 (April 2016): 187–88. http://dx.doi.org/10.1016/j.dyepig.2015.11.029.
Full textCho, A. Ra, Su Ji Kim, Jun Bae Lee, Geon Young Sim, Min Back, Eun Seul Cho, Ji Hui Jang, et al. "A Study of Skin Reflectance Using Kubelka-Munk Model." Journal of the Society of Cosmetic Scientists of Korea 42, no. 1 (March 30, 2016): 45–55. http://dx.doi.org/10.15230/scsk.2016.42.1.45.
Full textGunde, M. Klanjšek, J. Kožar Logar, Z. Crnjak Orel, and B. Orel. "Application of the Kubelka-Munk Theory to Thickness-Dependent Diffuse Reflectance of Black Paints in the Mid-IR." Applied Spectroscopy 49, no. 5 (May 1995): 623–29. http://dx.doi.org/10.1366/0003702953964165.
Full textVöge, Markus, and Klaus Simon. "The Kubelka–Munk model and Dyck paths." Journal of Statistical Mechanics: Theory and Experiment 2007, no. 02 (February 22, 2007): P02018. http://dx.doi.org/10.1088/1742-5468/2007/02/p02018.
Full textCentore, Paul. "Enforcing Kubelka–Munk constraints for opaque paints." Coloration Technology 136, no. 6 (November 10, 2020): 492–502. http://dx.doi.org/10.1111/cote.12497.
Full textVargas, William E., and Gunnar A. Niklasson. "Applicability conditions of the Kubelka–Munk theory." Applied Optics 36, no. 22 (August 1, 1997): 5580. http://dx.doi.org/10.1364/ao.36.005580.
Full textDissertations / Theses on the topic "Kubelka-Munk"
Westland, S. "The optical properties of printing inks." Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383339.
Full textFerreira, Marta Sofia dos Anjos. "Aplicação do modelo de Kubelka-Munk à análise de filmes semicondutores." Master's thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/2632.
Full textCom este trabalho, pretendeu-se efectuar a caracterização de algunsparâmetros ópticos de filmes semicondutores, recorrendo a medidas dereflectância difusa, com o objectivo principal de determinar a energia de hiatodesses materiais. Desenvolveu-se um algoritmo computacional com base no modelo de Kubelka-Munk, modificando as expressões originais de acordo com as característicasdo filme e do tipo de iluminação utilizado. Optimizaram-se os resultados,aplicando o método do gradiente espectral projectado. A partir deste método,obtiveram-se os valores dos parâmetros do índice de refracção, espessura,coeficiente de dispersão e coeficiente de absorção, a partir do qual sedeterminou a energia de hiato do material. Testou-se o algoritmo no caso deum filme de dióxido de titânio (fase rutilo) num substrato de titânio, tendo sidopossível comparar com os resultados encontrados na literatura. Aplicou-se omesmo no caso de duas amostras de dióxido de titânio (fase anatáse)depositadas sobre um substrato de molibdénio, tendo-se obtido uma energiade hiato de 3,27 e 3,18 eV. ABSTRACT: With this work, it was pretended to do the characterization of some opticalparameters of semiconductor films, through diffuse reflectance measurements.The main objective was to determine the bandgap energy of those materials. A computational algorithm based on the Kubelka-Munk was developed,modifying the original expressions according to the film characteristics and thesort of illumination used. The results were optimized, applying the spectralprojected gradient method. Values for the refraction index, thickness,dispersion and absorption coefficient were obtained. The bandgap energy wasdetermined from the latter parameter. The algorithm was tested for a rutiletitanium dioxide film deposited on a titanium substrate, and from these results itwas possible to compare with the values from literature. The same algorithmwas applied in the case of two samples of anatase titanium dioxide depositedon a molibdenium substrate. A bandgap energy of 3.27 and 3.18 eV wasobtained.
Gonçalves, Ítalo Gomes. "Determinação da concentração de contaminantes no caolim através da teoria de Kubelka-Munk." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/17160.
Full textKaolin is a clay used in many sections of the industry: paper, paints, plastics, rubbers and pharmacy, cosmetic and food products. The kaolins in Amazon region are among the best in the world and their reserves are among the most abundant. Besides its mining being relatively simple and cheap, kaolin processing can be problematic in certain cases due to the presence of contaminant minerals, mainly hematite, goethite and anatase. Brightness, the principal quality parameter of the final product, is insufficient for detecting the presence of these minerals on the kaolin in situ and along its processing, leading to situations where the ore fail quality specifications or is badly used to advantage. Therefore, this work developed a technique to estimate the concentration of these minerals in kaolin, providing then a better control over the process and facilitating kaolin classification between ore and waste. This technique is based on Kubelka-Munk theory, which uses the reflectance spectrum, in the present case measured in the visible range. It was necessary to develop some theoretical and experimental procedures to apply the theory on kaolin, which enabled concentration measurements with semiquantitative precision. Aside some practical difficulties encountered, this new technique brings the potential to reduce operational costs and maximize reserves.
Silva, e. Souza Cristiane Aparecida. "Filmes compositos de fosfato de aluminio e latex = morfologia e propriedades oticas." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250326.
Full textTese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-08-15T06:51:39Z (GMT). No. of bitstreams: 1 SilvaeSouza_CristianeAparecida_D.pdf: 8520514 bytes, checksum: 17e73481eda5f744b4ec360be3455823 (MD5) Previous issue date: 2009
Resumo: A morfologia de filmes compósitos preparados com fosfato de alumínio e látexes de poli(metacrilato de metila-co-acrilato de butila) e de poli(estireno-co-acrilato de butila) foi caracterizada por técnicas de microscopia eletrônica de transmissão e de varredura (TEM, SEM) e por técnicas de microscopia de varredura por sonda (AFM, DPFM). O grau de opacidade (razão de contraste) e os cálculos de coeficiente de espalhamento das partículas de fosfato de alumínio nos filmes compósitos foram obtidos através dos espectros de refletância. As micrografias das superfícies de desbaste dos filmes compósitos mostraram espaços vazios entre os agregados de partículas de fosfato de alumínio dispersos pela matriz polimérica. A adesão entre os agregados de partículas de fosfato de alumínio e polímero é muito boa nas interfaces de contato. A refletância dos filmes compósitos varia amplamente, dependendo da concentração das partículas de fosfato de alumínio, assim como da sua forma de uso em pó ou em dispersão e da dimensão dos espaços vazios entre os agregados de partículas. Os resultados das medidas óticas de opacidade mostraram que os filmes compósitos mais opacos foram os obtidos com fosfato de alumínio na forma de pó e com a dimensão dos vazios entre os agregados de partículas na mesma ordem de grandeza que o comprimento de onda da luz na região do visível (400 a 700 nm). Os coeficientes de espalhamento dos filmes de fosfato de alumínio/poli(estireno-co-acrilato de butila) foram calculados empiricamente usando o modelo de Kubelka-Munk e os resultados mostraram que os vazios contidos nos agregados de partículas de fosfato de alumínio justificam a opacidade dos filmes. O filme mais opaco, com razão de contraste de 88 %, apresentou ampla distribuição de dimensão dos vazios com média numérica igual a 650 nm. Além disso, os valores obtidos dos coeficientes de espalhamento experimentais são muito próximos dos coeficientes de espalhamento estimados pela teoria de Mie. A eficiência de espalhamento, predita pela teoria de Mie, de uma bolha de ar rodeada por fosfato de alumínio com diâmetro médio de 650 nm é apenas 12 % menor que a eficiência de espalhamento de uma partícula de dióxido de titânio, no seu diâmetro ótimo de 350 nm, dispersa no mesmo meio
Abstract: Composite films prepared with aluminum phosphate and latex of poly(methyl methacrylate-co-butyl acrylate) and poly(styrene-co-butyl acrylate) were characterized by electronic microscopy (TEM, SEM) and by different techniques of scanning probe microscopy (AFM, DPFM). Opacity (contrast ratio) and light scattering coefficients of composite films were obtained from reflectance spectra. SEM and TEM micrographs from composite films trimmed surfaces or thin cuts showed voids within aluminum phosphate particle aggregates. The adhesion between aluminum phosphate particle aggregates and polymer is very good at contact interfaces. Composite films reflectance changes widely, depending on void diameters, on aluminum phosphate particle concentration, as well as its use in the form of powder or dispersion. Opacity results showed that the most opaque composite films were obtained with aluminum phosphate powder and with void diameters in the same order of magnitude as the wavelength of light in the visible region (400 to 700 nm). Scattering coefficients of aluminum phosphate/poly(styrene-co-butyl acrylate) films were calculated empirically using the Kubelka-Munk model and the results showed that the observed voids account for films opacity. The most opaque composite film shows contrast ratio equal to 88 % and a broad distribution of void diameters, peaking at ca. 650 nm. Film scattering coefficient of the observed voids was calculated using Mie theory to evaluate their contribution to film opacity showing that the measured and estimated values are in reasonable agreement. The Mie calculations show that scattering efficiency for air trapped within the phosphate particles dispersed in polymer latex is in excess of 4 units in the 650 nm diameter range, which is only 12 % lower than the calculated values for optimum size TiO2 particles (350 nm) dispersed in the same polymer
Doutorado
Físico-Química
Doutor em Ciências
O'Brien, Patrick Michael. "A framework for digital watercolor." Texas A&M University, 2008. http://hdl.handle.net/1969.1/86068.
Full textJesus, Leandro Gustavo Mendes de. "Estimação do teor de cinzas da camada I do carvão do leão através da reflectância utilizando a teoria Kubelka-Munk." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/163403.
Full textThe main parameter in quality evaluation of coals employed in power generation is the ash content. In a beneficiation plant, knowing the ash content of the feed, concentrate an tailings is mandatory to set up the concentration equipment. In the case of the I1 coal seam of Leão’s deposit the time window between sampling routine and beneficiation routine does not allow to know the feed ash content before the beneficiation process. By this reason, this work aims to provide a reliable estimative of the feed ash content to propitiate its application in the beneficiation plant. For this purpose it was used Kubelka-Munk’s theory that, by using a mathematic expression, transforms reflectance into a additive quantity which allows to estimate mineral and organic matter present in coal by the difference of reflectance between these materials. As result, it was generated several models in order to analyze which one is better suited to the data. Finally, as a conclusion, it is possible to infer the ash content of coal by reflectance with confidence of 96,78% that all measure brings up a maximum error of ± 5% for the best model.
Carney, Melody Noelle. "The Impact of the Optical Phenomena of Color Adjustment Potential and Kubelka-Munk Layering of Dental Composite Resins on Modern Esthetic Dentistry." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429403504.
Full textMikhail, Sarah Shawky. "Optical Properties of Two Brands of Composite Restorative Materials and Confirmation of Theoretical Predictions for Layering." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1316436113.
Full textDyer, Thomas J. "Elucidating the formation and chemistry of chromophores during kraft pulping." Diss., Available online, Georgia Institute of Technology, 2005, 2004. http://etd.gatech.edu/theses/available/ipstetd-1018/.
Full textGranberg, Hjalmar. "Optical Response From Paper : Angle-dependent Light Scattering Measurements, Modelling, and Analysis." Doctoral thesis, KTH, Production Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3629.
Full textBook chapters on the topic "Kubelka-Munk"
Gooch, Jan W. "“b”, Kubelka-Munk." In Encyclopedic Dictionary of Polymers, 61. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_951.
Full textGooch, Jan W. "Kubelka-Munk Equation." In Encyclopedic Dictionary of Polymers, 414–15. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_6719.
Full textGooch, Jan W. "Kubelka-Munk Theory." In Encyclopedic Dictionary of Polymers, 415. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_6720.
Full textGooch, Jan W. "Scattering Coefficient, Kubelka-Munk." In Encyclopedic Dictionary of Polymers, 647. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_10323.
Full textDiebold, Michael P. "The Kubelka–Munk Framework and Measuring Opacity." In Application of Light Scattering to Coatings, 59–82. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12015-7_3.
Full textHempelmann, Uwe. "4. Kubelka-Munk function for opaque layers." In Colour Technology of Coatings, 149–51. Hannover, Germany: Vincentz Network, 2019. http://dx.doi.org/10.1515/9783748600282-020.
Full textHempelmann, Uwe. "6. Kubelka-Munk equation for transparent layers." In Colour Technology of Coatings, 156–57. Hannover, Germany: Vincentz Network, 2019. http://dx.doi.org/10.1515/9783748600282-022.
Full textYoshimura, Humberto Naoyuki, Marcelo Mendes Pinto, Erick de Lima, and Paulo Francisco Cesar. "Optical Properties of Dental Bioceramics Evaluated by Kubelka-Munk Model." In Biomaterials Science: Processing, Properties and Applications III, 71–79. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118751015.ch9.
Full textBerndt, Harald. "A Reexamination of Paper Yellowing and the Kubelka—Munk Theory." In ACS Symposium Series, 81–91. Washington, DC: American Chemical Society, 1989. http://dx.doi.org/10.1021/bk-1989-0410.ch006.
Full textAnnala, Leevi, and Ilkka Pölönen. "Kubelka–Munk Model and Stochastic Model Comparison in Skin Physical Parameter Retrieval." In Intelligent Systems, Control and Automation: Science and Engineering, 137–51. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70787-3_10.
Full textConference papers on the topic "Kubelka-Munk"
Sandoval, Christopher, and Arnold D. Kim. "Generalizing and extending Kubelka-Munk theory." In CLEO: Applications and Technology. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/cleo_at.2015.jth2a.21.
Full textSandoval, Christopher, and Arnold D. Kim. "Generalizing and extending Kubelka-Munk theory." In Frontiers in Optics. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/fio.2015.fth2a.4.
Full textAbebe, Mekides, Jérémie Gerhardt, and Jon Y. Hardeberg. "Kubelka-Munk theory for efficient spectral printer modeling." In IS&T/SPIE Electronic Imaging, edited by Reiner Eschbach, Gabriel G. Marcu, and Alessandro Rizzi. SPIE, 2011. http://dx.doi.org/10.1117/12.872830.
Full textWestland, Stephen, Laura Iovine, and John M. Bishop. "Kubelka-Munk or neural networks for computer colorant formulation?" In 9th Congress of the International Color Association, edited by Robert Chung and Allan Rodrigues. SPIE, 2002. http://dx.doi.org/10.1117/12.464656.
Full textAlcaraz de la Osa, Rodrigo, Andrea Fernández Pérez, Yael Gutiérrez, Dolores Ortiz, Franciso González, Fernando Moreno, and Jose M. Saiz. "The extended Kubelka-Munk theory and its application to colloidal systems." In Third International Conference on Applications of Optics and Photonics, edited by Manuel Filipe P. Martins Costa. SPIE, 2017. http://dx.doi.org/10.1117/12.2272115.
Full textDoi, Motonori, and Shoji Tominaga. "Spectral estimation of human skin color using the Kubelka-Munk theory." In Electronic Imaging 2003, edited by Reiner Eschbach and Gabriel G. Marcu. SPIE, 2003. http://dx.doi.org/10.1117/12.472026.
Full textYang, Yuanlong, Edward J. Celmer, Jason A. Koutcher, and Robert R. Alfano. "DNA and protein change in tissues probed by Kubelka-Munk spectral function." In BiOS 2000 The International Symposium on Biomedical Optics, edited by Robert R. Alfano. SPIE, 2000. http://dx.doi.org/10.1117/12.382744.
Full textDrakaki, Helen, Myrsini Makropoulou, and Alexander A. Serafetinides. "Optical properties of tissue simulators based on laser induced spectroscopy and scattering measurements." In European Conference on Biomedical Optics. Washington, D.C.: Optica Publishing Group, 2001. http://dx.doi.org/10.1364/ecbo.2001.4432_48.
Full textJoseph, Richard I., and Michael E. Thomas. "How accurate is the Kubelka-Munk theory of diffuse reflection? A quantitative answer." In SPIE Optical Engineering + Applications, edited by Leonard M. Hanssen. SPIE, 2012. http://dx.doi.org/10.1117/12.929948.
Full textShi, Guoyun, Na Dong, and Yixin Zhang. "color prediction for print based on kubelka-munk theory and under ink penetration." In IS&T/SPIE Electronic Imaging, edited by Reiner Eschbach, Gabriel G. Marcu, Shoji Tominaga, and Alessandro Rizzi. SPIE, 2009. http://dx.doi.org/10.1117/12.810111.
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