Articles with "light environment" as a keyword



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Noncontact heart rate measurement using a high-sensitivity camera in a low-light environment

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Published in 2018 at "Artificial Life and Robotics"

DOI: 10.1007/s10015-018-0461-y

Abstract: We propose a method for the remote estimation of the heart rate and heart rate variability spectrogram by analyzing the hemoglobin concentration obtained from RGB facial videos taken in a low-light environment. The monitoring of… read more here.

Keywords: light environment; low light; heart rate; heart ... See more keywords
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A shadow detector for photosynthesis efficiency.

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Published in 2017 at "Journal of theoretical biology"

DOI: 10.1016/j.jtbi.2016.11.027

Abstract: Plants tolerate large variations in the intensity of the light environment by controlling the efficiency of solar to chemical energy conversion. To do this, plants have a mechanism to detect the intensity, duration, and change… read more here.

Keywords: light environment; efficiency; photosynthesis efficiency; intensity ... See more keywords
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Response of Arabidopsis primary metabolism and circadian clock to low night temperature in a natural light environment

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Published in 2018 at "Journal of Experimental Botany"

DOI: 10.1093/jxb/ery276

Abstract: Central metabolism and the circadian clock are impacted by co-variation in light and temperature in Arabidopsis plants grown in a natural light environment. read more here.

Keywords: light environment; natural light; circadian clock; metabolism circadian ... See more keywords
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The Fluctuating Cell-Specific Light Environment and Its Effects on Cyanobacterial Physiology1  [OPEN].

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Published in 2019 at "Plant physiology"

DOI: 10.1104/pp.19.00480

Abstract: Individual cells of cyanobacteria or algae are supplied with light in a highly irregular fashion when grown in industrial-scale photobioreactors (PBRs). These conditions coincide with significant reductions in growth rate compared to the static light… read more here.

Keywords: specific light; fluctuating cell; light environment; cell ... See more keywords
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Automatic Image Processing Algorithm for Light Environment Optimization Based on Multimodal Neural Network Model

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Published in 2022 at "Computational Intelligence and Neuroscience"

DOI: 10.1155/2022/5156532

Abstract: In this paper, we conduct an in-depth study and analysis of the automatic image processing algorithm based on a multimodal Recurrent Neural Network (m-RNN) for light environment optimization. By analyzing the structure of m-RNN and… read more here.

Keywords: processing; light environment; based multimodal; image processing ... See more keywords
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A Study on Nonvisual Effects of Natural Light Environment in a Maternity Ward of a Hospital in Cold Area

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Published in 2022 at "BioMed Research International"

DOI: 10.1155/2022/8608892

Abstract: Thanks to the discovery of human eye photoreceptor cells, ipGRC and human nonvisual channels, the nonvisual effects of light have gradually come to our vision and been rationally utilized. Along with this trend, people have… read more here.

Keywords: natural light; light environment; effects natural; maternity ward ... See more keywords
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A review of the effect of the light environment of the VDT workspace on the “learning to learn” effect of video game training

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Published in 2023 at "Frontiers in Neuroscience"

DOI: 10.3389/fnins.2023.1093602

Abstract: In recent years, the role of video games in enhancing brain plasticity and learning ability has been verified, and this learning transfer is known as the “learning to learn” effect of video game training. At… read more here.

Keywords: light environment; video game; vdt; effect ... See more keywords
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Traffic Safety Improvement via Optimizing Light Environment in Highway Tunnels

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Published in 2022 at "International Journal of Environmental Research and Public Health"

DOI: 10.3390/ijerph19148517

Abstract: Driving in tunnel areas depends more heavily on light conditions than that on open roadways. Traditional lighting systems in highway tunnels adjust lighting parameters only caring about outside light luminance, and focus is usually on… read more here.

Keywords: highway tunnels; light environment; safety; traffic safety ... See more keywords