Visual and digital tooth shade selection methods, related effective factors and conditions, and their accuracy and precision: A literature review

F Tabatabaian, E Beyabanaki… - Journal of Esthetic …, 2021 - Wiley Online Library
Objective Despite developments of dental shade selection methods, shade selection is still a
challenge affecting esthetic outcomes. The purpose of this review was to discuss visual and …

Toward a unified color space for perception-based image processing

I Lissner, P Urban - IEEE Transactions on Image Processing, 2011 - ieeexplore.ieee.org
Image processing methods that utilize characteristics of the human visual system require
color spaces with certain properties to operate effectively. After analyzing different types of …

Redefining a in rgba: Towards a standard for graphical 3d printing

P Urban, TM Tanksale, A Brunton, BM Vu… - ACM Transactions on …, 2019 - dl.acm.org
Advances in multimaterial 3D printing have the potential to reproduce various visual
appearance attributes of an object in addition to its shape. Since many existing 3D file …

Quantitative analysis of color accuracy and bias in 4 dental CAD-CAM monolithic restorative materials with different thicknesses: An in vitro study

Z Wu, J Tian, D Wei, P Di, Y Lin - The Journal of Prosthetic Dentistry, 2022 - Elsevier
Statement of problem Computer-aided design and computer-aided manufacturing (CAD-
CAM) monolithic restorative materials have become a popular option because of …

Performance measures of color-difference equations: correlation coefficient versus standardized residual sum of squares

E Kirchner, N Dekker - JOSA A, 2011 - opg.optica.org
For evaluating the performance of color-difference equations, several goodness-of-fit
measures were proposed in the past, such as Pearson's correlation coefficient (r), the …

[HTML][HTML] Accuracy of tooth color determination by dental students using daylight-calibrated dental operatory lighting sources

C Labis, I Seceleanu, K Rion, A Hassel… - The Journal of Prosthetic …, 2023 - Elsevier
Statement of problem Lighting conditions are an essential factor for accurately determining
tooth color. However, the ideal lighting conditions for determining tooth shade are rarely met …

Analyzing small suprathreshold differences of LCD-generated colors

P Urban, M Fedutina, I Lissner - JOSA A, 2011 - opg.optica.org
Small suprathreshold color differences around five CIE color centers were investigated on a
typical liquid crystal display (LCD) with fluorescent backlight using the method of constant …

Method for joint color and translucency 3D printing and a joint color and translucency 3D printing device

A Brunton, CA Arikan, P Urban… - US Patent 10,717,235, 2020 - Google Patents
A method and a device for three-dimensional joint color and translucency printing, wherein
at least a first non-transparent printing material with a first printing material color and at least …

Systems and methods for determining a coating formulation

PM Beymore - US Patent 10,586,162, 2020 - Google Patents
(57) ABSTRACT A computer implemented method. The method includes identifying, using a
processor, a bulk pigment in a target coating, wherein identifying comprises applying a …

Systems and methods for texture assessment of a coating formulation

PM Beymore - US Patent 10,147,043, 2018 - Google Patents
A computer implemented method. The method includes identifying, using a processor, a
texture in a target coating, wherein identifying comprises applying a Bayesian process, and …