New, low-cost, hand-held multispectral device for in-field fruit-ripening assessment
The state of ripeness at harvest is a key piece of information for growers as it determines the
market price of the yield. This has been traditionally assessed by destructive chemical …
market price of the yield. This has been traditionally assessed by destructive chemical …
Photosynthetically active radiation (PAR): a review of sensing solutions
Photosynthetically Active Radiation or PAR is the part of the electromagnetic spectrum that
drives photosynthesis in plants. Measuring PAR is an important task in farming, plant biology …
drives photosynthesis in plants. Measuring PAR is an important task in farming, plant biology …
Adaptalight: An inexpensive PAR sensor system for daylight harvesting in a micro indoor smart hydroponic system
Environmental changes and the reduction in arable land have led to food security concerns
around the world, particularly in urban settings. Hydroponic soilless growing methods …
around the world, particularly in urban settings. Hydroponic soilless growing methods …
Development of PAR Sensor Applicable to Greenhouses and Smart Farms Using a Ripple-Free Red/Blue TiO2/SiO2 Dual-Band Bandpass Filter
YJ Eo, S Kim, JH Oh, KN Lee, C Kim… - ACS Applied …, 2022 - ACS Publications
The sunlight that promotes photosynthesis is called photosynthetically active radiation
(PAR). Most plants use a large amount of red (R) and blue (B) wavelength light for …
(PAR). Most plants use a large amount of red (R) and blue (B) wavelength light for …
Spectral-Loc: Indoor localization using light spectral information
For indoor settings, we investigate the impact of location on the spectral distribution of the
received light, ie, the intensity of light for different wavelengths. Our investigations confirm …
received light, ie, the intensity of light for different wavelengths. Our investigations confirm …
A low-cost spectroscopic nutrient management system for Microscale Smart Hydroponic system
Hydroponics offers a promising approach to help alleviate pressure on food security for
urban residents. It requires minimal space and uses less resources, but management can be …
urban residents. It requires minimal space and uses less resources, but management can be …
[HTML][HTML] Synchronising an IMX219 image sensor and AS7265x spectral sensor to make a novel low-cost spectral camera
A low-cost novel spectral camera able to be used for near infrared spectroscopy was made
by using a Jetson Nano to synchronize a Sony IMX219 NOIR autofocus image sensor, an …
by using a Jetson Nano to synchronize a Sony IMX219 NOIR autofocus image sensor, an …
Measuring Photosynthetic Photon Flux Density in the Blue and Red Spectrum for Horticultural Lighting Using Machine Learning Methods
This article presents development of a low-cost sensor to measure the light intensity for plant
growth, referred to as photosynthetic photon flux density (PPFD), which is a quantum light …
growth, referred to as photosynthetic photon flux density (PPFD), which is a quantum light …
A Low Power Optical Sensor with Dynamically Adjustable Field of View for Photosynthetically Active Radiation (PAR) Measurement
J Larochelle, J Klueppel, R McCormick… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The characterization of light as photosynthetically active radiation (PAR) is crucial for
modeling and monitoring plant metabolism and development. Existing intercepted PAR …
modeling and monitoring plant metabolism and development. Existing intercepted PAR …
Using spectral sensors to determine photosynthetic photon flux density in daylight–A theoretical approach
T Hegemann, J Balasus, QV Trinh… - Lighting Research …, 2022 - journals.sagepub.com
Precise determination of the photosynthetic photon flux density (PPFD) is important for
illumination in modern horticultural systems. This paper presents two methods to calculate …
illumination in modern horticultural systems. This paper presents two methods to calculate …