OPTOSKY /NEWS /Hyperspec Blog /Quantification of Margalefidinium polykrikoides Blooms by Using Airborne Hyperspectral Imagery /
Quantification of Margalefidinium polykrikoides Blooms by Using Airborne Hyperspectral Imagery
author: Gavin
2021-11-22
Margalefidinium polykrikoides is a major red tide species and can harm Marine life by killing fish in aquaculture tanks through gill blockages at high cell abundance. To minimize the damage caused by red tides, their detailed spatial distribution must be understood with extreme accuracy. Airborne hyperspectral imaging can provide a lot of information about the optical characteristics of red tide species and help quantify red tide cell abundance. GFR indices were calculated from green (524 and 583 nm) and fluorescent (666 and 698 nm) bands and converted into red tide cell abundance using a second-order polynomial regression model.
HYPERSPECTRAL IMAGER MODELS SELECTION GUIDE:
Airborne Hyperspectral Remote Sensing System (ATH9010)
//www.optosky.net/ATH9010.html
HYPERSPECTRAL IMAGER MODELS SELECTION GUIDE:
Airborne Hyperspectral Remote Sensing System (ATH9010)
//www.optosky.net/ATH9010.html
Detecting the Rice Leaf Blast by Hyperspectral
Using Hyperspectral Imaging Classifying Soybean Varieties
Related Article

Discover Optosky’s air–ground collaborative hyperspectral solution for mine ecological restoration monitoring. Combining UAV hyperspectral imaging, fixed-point rotating-scan systems, and field spectroradiometers, it supports vegetation, soil, mineral alteration, and water environment monitoring for green mine evaluation and restoration acceptance.
Applications | Hyperspectral Mine Restoration Monitoring

Compare single InGaAs and CMOS+InGaAs detector architectures in hyperspectral imaging. Learn why both can cover 400–1700 nm, how visible-light-extended InGaAs works, and the trade-offs in calibration, spectral registration, and system integration for applications in agriculture, food safety, and industrial inspection.
Technology | Single InGaAs vs. CMOS+InGaAs in Hyperspectral Imaging

Discover how hyperspectral imaging combined with multi-feature fusion (PCA + 2DCOS + CARS) enables non-destructive three-level grading of chili pepper sunburn with 97.2% accuracy. Learn about the ATH3000 system and Optosky's customized solutions for horticultural crop quality inspection and damage classification.
Can Sunburned Chili Peppers Be Non-Destructively Graded? Hyperspectral Imaging ATH3000 Offers a New Answer

Discover the Optosky ATH9600 multi-lens UAV-borne multispectral imaging system—featuring 67° ultra-wide FOV, synchronous snapshot, 3.75 μm large pixel, and native DJI X-Port integration. Ideal for large-area farmland monitoring, orchard management, pest early warning, water quality inversion, and complex crop classification. Born for efficient, all-weather low-altitude remote sensing.
Born for Large-Area Remote Sensing! Optosky Releases the ATH9600 Multi-Lens UAV-Borne Multispectral Imaging System