Results 51 to 60 of about 36,880 (229)

High‐Chroma Color Coatings Based on Ag/SiO2/Ti/SiO2 Structures

open access: yesAdvanced Photonics Research, 2022
A four‐layer metal–dielectric–metal–dielectric (MDMD) stack design for color control is demonstrated. This stack incorporates Ag, SiO2, and Ti as materials, enabling wide absorbance bands, high reflectance peaks, and a strongly tunable color.
Riley Shurvinton   +3 more
doaj   +1 more source

Color Constancy Convolutional Autoencoder

open access: yes, 2019
In this paper, we study the importance of pre-training for the generalization capability in the color constancy problem. We propose two novel approaches based on convolutional autoencoders: an unsupervised pre-training algorithm using a fine-tuned ...
Gabbouj, Moncef   +4 more
core   +1 more source

Beyond Brown: Lignin's Emerging Role in Structural Color

open access: yesAdvanced Optical Materials, EarlyView.
Lignin, long regarded as a brown industrial byproduct, is emerging as a sustainable platform for structural color. This Perspective highlights how lignin's refractive index, intrinsic absorption, and nanoscale assembly enable tunable photonic responses in colloidal and thin‐film architectures, and outlines design strategies to advance scalable, bio ...
Ravi Shanker, Anna Justina Svagan
wiley   +1 more source

A two‐stage hue‐preserving and saturation improvement color image enhancement algorithm without gamut problem

open access: yesIET Image Processing, 2023
A novel hue‐preserving and color enrichment color image enhancement algorithm without gamut problem is proposed in this paper. First, the pixel values of the input image are stretched to the edge of RGB color space to improve the saturation.
Datang Zhou, Gang He, Kang Xu, Chang Liu
doaj   +1 more source

Параметры видеосистемы КВС для процесса калибровки [PDF]

open access: yes, 2014
Встановлений характер впливу основних параметрів відеосистеми КВС на якість відтворення кольору тонових оригіналів. Визначено оптимальний період здійснення калібрування для конкретного класу моніторів із забезпеченням стабільного кольоровідтворення ...
Sak, Dar’ia Oleksandrivna   +3 more
core  

An intuitive control space for material appearance [PDF]

open access: yes, 2018
Many different techniques for measuring material appearance have been proposed in the last few years. These have produced large public datasets, which have been used for accurate, data-driven appearance modeling.
Gutierrez, Diego   +4 more
core   +3 more sources

Nanoimprinted DMD Electrodes Enabling Bidirectional Viewing OLEDs With Quasi Lambertian Emission

open access: yesAdvanced Science, EarlyView.
We present a dual‐approach strategy for high‐performance bidirectional‐viewing OLEDs, combining enhanced cavity resonance with a nanoimprinted dielectric/metal/dielectric (DMD) electrode. This bidirectional viewing OLED presents an 89.7% enhanced electrode transmittance, a balanced bidirectional emission ratio with 67.3% total brightness increase, as ...
Ningning Song   +7 more
wiley   +1 more source

Investigation of high-performance perovskite nanocrystals for inkjet-printed color conversion layers with superior color purity

open access: yesAPL Photonics, 2021
We synthesized cesium lead-halide perovskite colloidal nanocrystals using the hot injection method for wide-color-gamut low-cost displays. An efficient surface defect passivation technique was applied to further improve the optical performance of the ...
Sang Yoon Lee   +9 more
doaj   +1 more source

Real-Time User-Guided Image Colorization with Learned Deep Priors

open access: yes, 2017
We propose a deep learning approach for user-guided image colorization. The system directly maps a grayscale image, along with sparse, local user "hints" to an output colorization with a Convolutional Neural Network (CNN).
Efros, Alexei A.   +6 more
core   +1 more source

Record‐High Performance Hyperfluorescent OLEDs Achieved via Electronic Structure Control of Chlorine‐Diversified MR‐TADF Emitters

open access: yesAdvanced Science, EarlyView.
A late‐stage diversification strategy for the benchmark MR‐TADF emitter ω‐DABNA enables precise electronic structure control via chlorine‐activated functionalization. The resulting derivatives achieve tunable emission from 523 to 533 nm with record‐high EQE1000 up to 34.0% and excellent color purity (CIEy = 0.70–0.73), establishing a versatile platform
Taehwan Lee   +7 more
wiley   +1 more source

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