Results 21 to 30 of about 811,152 (300)

AWG-Based Spectral Multiplexing for Unambiguous Range-Extended FMCW LiDAR

open access: yesSensors
Frequency-modulated continuous-wave (FMCW) light detection and ranging (LiDAR) based on coherent ranging is a technology capable of high-resolution distance measurement while remaining robust against ambient light interference.
Sangwon Park   +5 more
doaj   +1 more source

A Study of Colormaps in Network Visualization

open access: yesApplied Sciences, 2019
Color is a widely used visual channel for encoding data in visualization design. It is important to select the appropriate type of color mapping to better understand the data.
Raja Mubashar Karim   +3 more
doaj   +1 more source

On color image quality assessment using natural image statistics

open access: yes, 2014
Color distortion can introduce a significant damage in visual quality perception, however, most of existing reduced-reference quality measures are designed for grayscale images.
Abdelouahad, Abdelkaher Ait   +3 more
core   +1 more source

The impact of fluorescent and LED lighting on student attitudes and behavior in the classroom [PDF]

open access: yes, 2018
Introduction: This study examined empirical research on the effects of high correlated color temperature light-emitting diodes (LED) and fluorescent lighting on students in the classroom.
Morrow, Brenda L.
core   +1 more source

ACQUIRED COLOR VISION DEFICIENCY IN PARKINSON’S DISEASE [PDF]

open access: yesActa Medica Iranica, 2003
Acquired color deficiency in the tritan axis in Parkinson’s disease has already been reported, manifesting itself as impaired performance in various visual tasks. However, its clinical significance has always been controversial.
S.A. Tabassi, S.G. Sepanlou J. Lotfi
doaj   +2 more sources

Research on Street Color Environment Perception Based on CEP-KASS Framework

open access: yesBuildings, 2023
The color of urban streets plays a crucial role in shaping a city’s image, enhancing street appeal, and optimizing the experience of citizens. Nevertheless, the relationship between street color environment and residents’ perceptions has rarely been ...
Kuntao Hu   +5 more
doaj   +1 more source

Digital Color Imaging

open access: yes, 1997
This paper surveys current technology and research in the area of digital color imaging. In order to establish the background and lay down terminology, fundamental concepts of color perception and measurement are first presented us-ing vector-space ...
Sharma, Gaurav, Trussell, H. Joel
core   +3 more sources

Portable Amperometric Biosensor Enhanced with Enzyme-Ternary Nanocomposites for Prostate Cancer Biomarker Detection

open access: yesBiosensors
Enzyme-based portable amperometric biosensors are precise and low-cost medical devices used for rapid cancer biomarker screening. Sarcosine (Sar) is an ideal biomarker for prostate cancer (PCa).
Thenmozhi Rajarathinam   +4 more
doaj   +1 more source

Human Perception Based Color Image Segmentation [PDF]

open access: yes, 2013
Color image segmentation is probably the most important task in image analysis and understanding. A novel Human Perception Based Color Image Segmentation System is presented in this paper. This system uses a neural network architecture.
Devaraj, Savitha   +2 more
core   +5 more sources

Color vision devices for color vision deficiency patients: A systematic review and meta‐analysis

open access: yesHealth Science Reports, 2022
Background and Aims There is insufficient evidence to support that using electronic or optical color vision devices improve color perception with current advanced technology.
Shiva Ram Male   +4 more
doaj   +1 more source

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