Results 21 to 30 of about 7,861 (273)

Utilizing support vector and kernel ridge regression methods in spectral reconstruction

open access: yesResults in Optics, 2023
Two regression methods, namely, Support Vector Regression (SVR) and Kernel Ridge Regression (KRR), are used to reconstruct the spectral reflectance curves of samples of Munsell dataset from the corresponding CIE XYZ tristimulus values.
Ida Rezaei   +2 more
doaj   +1 more source

Initial Survey to Fungal Deterioration of Archaeological Linen Textiles in Sohag National Museum [PDF]

open access: yesAdvanced Research in Conservation Science, 2020
Microorganisms are one of the most dangerous damage factors that threaten archaeological cellulosic textiles such as cotton and linen. This research presents a detailed study of the effect of fungi that have been isolated from the display and storage ...
Mahmoud Abo-Elmaaref   +3 more
doaj   +1 more source

Color Stability of New Esthetic Restorative Materials: A Spectrophotometric Analysis

open access: yesJournal of Functional Biomaterials, 2017
The aim of this in vitro study was to evaluate and compare the color stability of different esthetic restorative materials (one microfilled composite, one nanofilled composite, one nanoceramic composite, one microfilled hybrid composite, one microfilled ...
Claudio Poggio   +6 more
doaj   +1 more source

The Effect of Hydration on Urine Color Objectively Evaluated in CIE L*a*b* Color Space

open access: yesFrontiers in Nutrition, 2020
Urine color has been shown to be a viable marker of hydration status in healthy adults. Traditionally, urine color has been measured using a subjective color scale.
Rebekah Belasco   +4 more
doaj   +1 more source

Colour analysis of syrup from malted and unmalted rice of different varieties

open access: yesCroatian Journal of Food Science and Technology, 2020
The colour of rice syrup produced from flours of malted and unmalted rice of different varieties treated with a combination of starch hydrolyzing enzymes were analysed using CIE-LAB Spectrophotometric colorimeter after being filtered and/or centrifuged ...
CHIGOZIE EMMANUEL OFOEDU   +3 more
doaj   +1 more source

Color stability of esthetic restorative materials: a spectrophotometric analysis

open access: yesActa Biomaterialia Odontologica Scandinavica, 2016
Objective: The aim of this in vitro study was to evaluate the color stability of different restorative materials (one microfilled composite, one nanofilled composite, one nanohybrid composite and one Ormocer-based composite) after exposure to different ...
Claudio Poggio   +5 more
doaj   +1 more source

Correlation between Extractive Content and Colour Properties in Teak Heartwood

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2016
Beside for its high natural durability and resistancy of  weather properties, teak (Tectona grandis) wood is also valued for its beautiful grain and colour.
Ganis Lukmandaru
doaj   +1 more source

Enhancing Moon Crescent Visibility Using Contrast-Limited Adaptive Histogram Equalization and Bilateral Filtering Techniques

open access: yesJournal of Telecommunications and Information Technology, 2022
Image enhancement is becoming increasingly important with the advancement of space exploration techniques and the technological development of more durable and scientifically sound observatories equipped with more powerful telescopes. The enhancement of
Wan Nural Jawahir Hj Wan Yussof   +5 more
doaj   +1 more source

Colorimetric method to estimate the soil organic matter in karst areas

open access: yesEcosistemas y Recursos Agropecuarios, 2022
The increase in soil organic carbon (SOC) content contributes the mitigation of the effects of global climate change, thus it is important to know its levels.
Rafael García-Ruiz   +3 more
doaj   +1 more source

CIE Lab color space.

open access: yes, 2014
CIE Lab color space.
Chenyu Ye (530283)   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy