Results 21 to 30 of about 390,355 (301)

Computer vision techniques for modelling the roasting process of coffee (Coffea arabica L.) var. Castillo

open access: yesCzech Journal of Food Sciences, 2020
Artificial vision has wide-ranging applications in the food sector; it is easy to use, relatively low cost and allows to conduct rapid non-destructive analyses. The aim of this study was to use artificial vision techniques to control and model the coffee
Eugenio Ivorra   +2 more
doaj   +1 more source

State of the Art and Elucidation of Postharvest LED Lighting on the Metabolism of Brassica Sprouts

open access: yesHorticulturae, 2022
Brassicaceae sprouts are important sources of vitamins, phenolic compounds, minerals, glucosinolates, and isothiocyanates. LEDs illumination have been demonstrated to increase yield and the phytochemical content of young plants.
Lorena Martínez-Zamora   +3 more
doaj   +1 more source

Advances in Droplet-Based Microfluidic High-Throughput Screening of Engineered Strains and Enzymes Based on Ultraviolet, Visible, and Fluorescent Spectroscopy

open access: yesFermentation, 2023
Genetic engineering and directed evolution are effective methods for addressing the low yield and poor industrialization level of microbial target products.
Shunyang Hu   +5 more
doaj   +1 more source

Data-Driven Discovery of Full-Visible-Spectrum Phosphor

open access: yes, 2019
The development of extra-broadband phosphors is essential for next-generation illumination with better color experience. In this work, we report the discovery of the first-known Eu2+-activated full-visible-spectrum phosphor, Sr2AlSi2O6N:Eu2+, identified ...
Shuxing Li (4726653)   +6 more
core   +2 more sources

Optical Filters for TV-Induced Photosensitive Epilepsy

open access: yesPediatric Neurology Briefs, 2001
Two different types of optical filters were tested in 20 photosensitive epileptic patients for ability to inhibit photoparoxysmal response (PPR) and seizures, in a study at Gifu Prefectural Gifu Hospital, Japan.
J Gordon Millichap
doaj   +1 more source

Plant Disease Diagnosis in the Visible Spectrum

open access: yesApplied Sciences, 2022
A simple and robust methodology for plant disease diagnosis using images in the visible spectrum of plants, even in uncontrolled environments, is presented for possible use in mobile applications.
Lili Guadarrama   +2 more
doaj   +1 more source

Uric acid detection in visible spectrum [PDF]

open access: yes, 2020
The measurement of uric acid based on the optical absorption at visible light spectrum is investigated and tested. Sensing in the visible region was conducted for determination of suitable wavelength that produces high sensitivity and accuracy ...
Nurfatihah Che Abd Rashid   +13 more
core   +3 more sources

Visible Light Communication (VLC) [PDF]

open access: yes, 2022
Visible light communication (VLC) using light-emitting diodes (LEDs) or laser diodes (LDs) has been envisioned as one of the key enabling technologies for 6G and Internet of Things (IoT) systems, owing to its appealing advantages, including abundant and ...

core   +1 more source

Analysis of Photodiode Monitoring in Laser Cutting

open access: yesApplied Sciences, 2020
The paper presents the results of an analysis based on the photodiode monitoring signals obtained during the laser cutting of aluminum and stainless steel plates.
Sonia M. Garcia   +3 more
doaj   +1 more source

The Use of UAV Mounted Sensors for Precise Detection of Bark Beetle Infestation

open access: yesRemote Sensing, 2019
The bark beetle (Ips typographus) disturbance represents serious environmental and economic issue and presents a major challenge for forest management. A timely detection of bark beetle infestation is therefore necessary to reduce losses.
Tomáš Klouček   +5 more
doaj   +1 more source

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