Results 71 to 80 of about 34,830 (254)

A digital high-dynamic-range CMOS image sensor with multi-integration and pixel readout request [PDF]

open access: yes, 2007
A novel principle has been developed to build an ultra wide dynamic range digital CMOS image sensor. Multiple integrations are used to achieve the required dynamic.
Guilvard, Alexandre   +3 more
core   +1 more source

Comparative Study of the Effects of Shading Treatments on Photosynthetic Capacity, Chlorophyll Fluorescence, Chlorophyll Content, and Antioxidant Activities of Viburnum opulus and V. japonicum

open access: yesNew Zealand Journal of Crop and Horticultural Science, Volume 54, Issue 1, March 2026.
Viburnum opulus is recognized as a medicinal plant, whereas V. japonicum shows promise as an excellent ornamental species. This research aimed to explore their responses by cultivating under four graduated shading treatments (0%, 25%, 50%, and 75% shading).
Hongfei Lu   +7 more
wiley   +1 more source

An illuminance improvement and details enhancement method on coal mine low-light images based on Transformer and adaptive feature fusion

open access: yesMeitan kexue jishu
High quality mine images can provide guarantee for mine safety production, and improve the performance of subsequent image analysis technologies. Affected by low illuminance environment, mine images suffer low brightness, uneven brightness, color ...
Zijian TIAN   +6 more
doaj   +1 more source

Factors affecting the establishment of Leptospermum scoparium J.R. et G. Forst. (manuka) : a thesis presented in partial fulfillment of the requirements for the degree of Master of Agricultural Science at Massey University [PDF]

open access: yes, 1966
L. scoparium is one of New Zealand's most important weeds of unploughable infertile hill country. The plant is an indigenous shrub, characteristic of the early stages of succession to forest in a wide range of habitats (Cockayne, 1928).
Grant, David Alan
core  

Comparative life cycle assessment of lighting systems and road pavements in an Italian twin- tube road tunnel [PDF]

open access: yes, 2018
This work calculates and discusses the Life Cycle Assessment (LCA) of four scenarios composed of two types of road pavements and two types of lighting systems to be built in an Italian twin-tube road tunnel.
Cantisani, Giuseppe   +2 more
core   +1 more source

Spectroscopic Ellipsometry Characterization and Radiative Limit Modeling of Bismuth‐Based Perovskite‐Inspired Absorbers for Indoor Photovoltaics

open access: yesAdvanced Optical Materials, Volume 14, Issue 5, 2 February 2026.
This study determines the optical constants of two lead‐free perovskite‐inspired materials (PIMs), Cu2AgBiI6 and Cs3Bi2I6Br3, promising for indoor light conversion. The optical constants are applied to simulate photovoltaic device optics, and thereupon, revise the theoretical limits for photocurrent generation and power conversion efficiency, providing
Aleksi Kamppinen   +6 more
wiley   +1 more source

Research on the Impact of Metro Station Illuminance on Passengers′ Emotion and Visual Cognition

open access: yesChengshi guidao jiaotong yanjiu
Objective Proper illuminance environment plays an important role in improving the service level of metro stations, ensuring the safety of passenger evacuation and promoting the sustainable development of public transportation.
ZHANG Lin   +4 more
doaj   +1 more source

Realization of specific illuminance distributions of OLED lightings using inverted microlens films

open access: yesJournal of Information Display, 2018
The illuminance distribution of flat organic-light-emitting diode (OLED) lightings combined with inverted microlens arrays was investigated through both an experiment and simulation.
Jung-Gyun Lee, Junhee Park, Jae-Hyeon Ko
doaj   +1 more source

Bidirectional Photoadaptive Organic Heterojunction Synaptic Transistors for Accurate Image Recognition in Machine Vision Systems

open access: yesAdvanced Science, Volume 13, Issue 7, 3 February 2026.
Bidirectional photoadaptive organic synaptic phototransistors are developed using complementary n–n and n‐p heterojunctions. These devices enable intelligent in‐sensor processing, markedly enhancing image contrast and edge features under adverse lighting, and achieve a recognition accuracy of 97.4% within ten training cycles for machine vision ...
Di Xue   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy