Point-of-care, smartphone-based, dual-modality, dual-view, oral cancer screening device with neural network classification for low-resource communities
Oral cancer is a growing health issue in a number of low-and middle-income countries
(LMIC), particularly in South and Southeast Asia. The described dual-modality, dual-view …
(LMIC), particularly in South and Southeast Asia. The described dual-modality, dual-view …
Designing LED array for uniform illumination distribution by simulated annealing algorithm
Z Su, D Xue, Z Ji - Optics express, 2012 - opg.optica.org
We propose a numerical optimization method designing LED array for achieving a good
uniform illumination distribution on target plane. Simulated annealing algorithm is employed …
uniform illumination distribution on target plane. Simulated annealing algorithm is employed …
Design of a novel freeform lens for LED uniform illumination and conformal phosphor coating
A conformal phosphor coating can realize a phosphor layer with uniform thickness, which
could enhance the angular color uniformity (ACU) of light-emitting diode (LED) packaging. In …
could enhance the angular color uniformity (ACU) of light-emitting diode (LED) packaging. In …
Review of optical designs for light-emitting diode packaging
L Nian, X Pei, Z Zhao, X Wang - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In recent years, light-emitting diodes (LEDs) have attracted tremendous attention for their
excellent performances of increased luminous efficiency and improved color rendering for …
excellent performances of increased luminous efficiency and improved color rendering for …
New reversing design method for LED uniform illumination
In light-emitting diode (LED) applications, it is becoming a big issue that how to optimize
light intensity distribution curve (LIDC) and design corresponding optical component to …
light intensity distribution curve (LIDC) and design corresponding optical component to …
Quasi-omnidirectional transmitter for underwater wireless optical communication systems using a prismatic array of three high-power blue LED modules
Z Tong, X Yang, X Chen, H Zhang, Y Zhang, H Zou… - Optics express, 2021 - opg.optica.org
In this study, a quasi-omnidirectional underwater wireless optical communication (UWOC)
system is implemented with a prismatic array consisting of three uniformly distributed high …
system is implemented with a prismatic array consisting of three uniformly distributed high …
Study on the optical properties of conformal coating light-emitting diode by Monte Carlo simulation
The light extraction efficiency (LEE), correlated color temperature (CCT), and angular color
uniformity (ACU) of the conformal coating phosphor silicone gel were investigated by Monte …
uniformity (ACU) of the conformal coating phosphor silicone gel were investigated by Monte …
A multi-objective optimization method for enclosed-space lighting design based on MOPSO
X Zhang, J Wang, Y Zhou, H Wang, N Xie… - Building and …, 2024 - Elsevier
With the rapid development of underground spaces and manned cabins, the design of
enclose-space has received attention. Humans working in enclosed-space for a long period …
enclose-space has received attention. Humans working in enclosed-space for a long period …
[HTML][HTML] Point-of-care, multispectral, smartphone-based dermascopes for dermal lesion screening and erythema monitoring
Significance: The rates of melanoma and nonmelanoma skin cancer are rising across the
globe. Due to a shortage of board-certified dermatologists, the burden of dermal lesion …
globe. Due to a shortage of board-certified dermatologists, the burden of dermal lesion …
Illumination uniformity assessment based on human vision
I Moreno - Optics letters, 2010 - opg.optica.org
Assessing how uniform the light distribution is throughout an illuminated target is important
in many applications, but traditional methods do not quantify the variability of illuminance as …
in many applications, but traditional methods do not quantify the variability of illuminance as …