Results 211 to 220 of about 243,834 (314)

Scale‐robust fibre orientation analysis of hair using two‐dimensional Fourier transform

International Journal of Cosmetic Science, EarlyView.
We present a simple and robust method to quantify hair fibre orientation using 2D‐DFT. It works with standard images and extracts directional features at multiple scales. This enables objective evaluation of cosmetic treatments and product effects. Abstract Objective To address the current lack of standardized tools for evaluating hair appearance in ...
Motoki Takeda, Sinyoung Lee, Ken Kiyono
wiley   +1 more source

Enhancing the reliability of skin tone evaluation: A study of full‐face imaging devices with colour calibration

International Journal of Cosmetic Science, EarlyView.
This study offers insights into colour measurement for skin tone evaluation, demonstrating the value of using a ColorChecker and colour calibration to ensure reliable and accurate skin tone measurements. Abstract Background Skin colour measurement is common and essential to clinical evaluation, especially for product efficacy evaluation and research on
Wenyang Wang, Yang Wang, Chanjuan Liu, Andrew Steel, Frédéric Flament   +4 more
wiley   +1 more source

Accommodation, chromatic aberration and chromatic stimuli

Journal of Vision, 2018
Finch, Abigail, Fernandez Alonso, Maydel, Read, Jenny, Love, Gordon   +3 more
openaire   +1 more source

Histogram‐Corrected Intraoral Photographs for Early Gingivitis Screening in Orthodontic Patients

International Journal of Dental Hygiene, EarlyView.
ABSTRACT Objectives Gingivitis has a significant impact on periodontal health, both during and after orthodontic treatment. Early detection and management are essential for minimizing tissue damage. This study investigated an early gingivitis detection method using intraoral photographs (IOPs) taken before, at the midpoint (MO), and three‐quarters of ...
Ji‐Youn Kim, Kyuseok Kim, Han‐Na Kim
wiley   +1 more source

Minimalist optical system for achromatic imaging within extended field of view based on monolithic integrated meta-axicon cluster. [PDF]

Light Sci Appl
Wang J, Wang C, Wang B, Deng Y, Lin Y, Han Y, Yao L, Zhang L, Li D, Meng D, Liu X, Li X, Korvink JG, Deng Y.   +13 more
europepmc   +1 more source

Translucency of 3D‐Printed 3Y‐ and 5Y‐Doped Zirconia

Journal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objectives To evaluate and compare the translucency of 3D‐printed zirconia materials: 3Y tetragonal zirconia polycrystal (3Y‐TZP) and 5Y partially stabilized zirconia (5Y‐PSZ). Material and Methods 3D‐printed 5Y‐PSZ and 3Y‐TZP materials fabricated using digital light processing (DLP) were investigated.
Sebastian Hetzler, Clemens Schmitt, Peter Rammelsberg, Stefan Rues, Andreas Zenthöfer   +4 more
wiley   +1 more source

Effects of Bleaching Protocols on the Esthetic Outcome and Surface Integrity of Enamel Treated With an Ammonia‐Free Silver Fluoride Solution

Journal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective To investigate the effects of three bleaching protocols on the color stability and surface roughness of enamel previously treated with a water‐based, ammonia‐free silver fluoride solution (Riva Star Aqua). Materials and Methods Eighty‐eight human enamel/dentin specimens were demineralized and treated with Riva Star Aqua, divided into
Ahmed Alshawi, Fadimeana Lal, Esra Yildiz, Sevda Ozel Yildiz, Ugur Erdemir   +4 more
wiley   +1 more source

Effects of Substructure Color and Restoration Thickness on the Final Color of Ultra‐Translucent Zirconia Ceramics

Journal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective This in vitro study aimed to evaluate the effects of substructure color and restoration thickness on the final color of shade‐gradient ultra‐translucent zirconia ceramics. Material and Methods A total of 180 flat‐shaped ultra‐translucent zirconia specimens (5Y‐PSZ) with thicknesses of 0.4, 0.6, and 0.8 mm (n = 60) were fabricated and
Elif Yılmaz Biçer, Merve Bankoğlu Güngör, Cemal Aydın   +2 more
wiley   +1 more source

Metalens-style image synthesis for metalens imaging via image-to-image translation. [PDF]

Sci Rep
Kang C, Suk H, Seo J, Jang I, Chung H.
europepmc   +1 more source

Analysis and Compensation for Lateral Chromatic Aberration in a Color Coding Structured Light 3D Measurement System. [PDF]

Sensors (Basel), 2016
Huang J, Xue Q, Wang Z, Gao J.
europepmc   +1 more source