Hyperspectral and Multispectral Imaging

Hyperspectral and Multispectral Imaging

Introduction to Hyperspectral and Multispectral Cameras

Hyperspectral Camera acquires a 2D image where every pixel in the image contains a continuous spectrum. A regular camera records three spectral channels in every pixel (red, green, and blue), while hyperspectral imagers record hundreds of spectral channels.

Hyperspectral and Multispectral Cameras are useful because different materials have unique reflectance spectra, as do different plant species. Hyperspectral images can thus be used to identify various constituents in an image. Hyperspectral and Multispectral Imaging is also used to detect shifts in reflectance spectra due to external influences, for example crop health effects due to drought and insect infestation.

Webinars

Time-Resolved Infrared Multispectral Imaging of Gases and Minerals

Application Notes, Papers

Hyperspectral Imaging - teaching robots to see
Thermal Infrared Multispectral Imaging of Minerals (2015)
Time-Resolved Multispectral Imaging of Combustion Reactions (2015)
Time-resolved Multispectral Imaging of Gases
Lenses Data Sheet R8
Resonon Fluorescence Dye
Resonon Hyperspectral Tutorial
Resonon Microbial Whitepaper
Resonon Weeds Whitepaper
SNR Discussion v4
2016 Coffee characterisation
Multispectral Imaging of Gases and Minerals

WIRIS Agro

The crop water stress index (CWSI) was developed (in 1981) as a normalized index to quantify stress and overcome the effects of other environmental parameters affecting the relationship between stress and plant temperature. Workswell’s WIRIS Agro is the first device of its kind designed to map water stress across large areas in the field of precision agriculture. The aim of this method and device is to determine the value of water stress in the plant stand. For example, this information may be used to determine yield maps, optimize irrigation, or control water management remedies. Camera offers LWIR band sensor and 10x optical zoom RGB camera with resolution full HD (1920 x 1080 px) for biomass cover index evaluation.

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Airborne Hyperspectral Imaging Systems–Resonon

Resonon's airborne hyperspectral sensors are completely integrated turnkey solutions, with all the hardware and software necessary to acquire georegistered hyperspectral data.

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Benchtop Hyperspectral Imaging Systems

The Benchtop System - Combined Reflectance/Transmission Configuration is used to acquire both reflectance and transmission data in a laboratory environment. The sample sits on a clear stage and can be illuminated from either above or below. During data acquisition the stage moves, translating the sample beneath the imager. The imager and stage are controlled using Spectronon software.

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Outdoor Hyperspectral Imaging Systems

Our Outdoor System is used to acquire hyperspectral data in the field where portability is critical. The Resonon pushbroom hyperspectral camera is mounted on a rotation stage that sits on a specially-modified tripod. During data acquisition the stage rotates the hyperspectral camera, scanning the scene of interest. The imager and stage are controlled using Spectronon software.

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SILIOS Compact Multispectral Cameras (CMS) Snapshot

CMS Multispetral cameras are designed for easy integration into VIS/NIR multispectral systems. These lightweight (less than 60gr) and very small footprint (52x52x22mm) cameras split the image into 8 spectral bands plus 1 B&W channel.

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Pika L

400 - 1000 nm

Lightweight, Affordable VNIR Hyperspectral Camera

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Pika XC2

400 - 1000 nm

High-Precision VNIR Hyperspectral Camera

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Pika NIR-320

The Pika NIR-320 hyperspectral camera is a Near Infrared (NIR) imager covering the 900 - 1700 nm spectral range. It is capable of high speeds (520 fps) and has excellent image quality.

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Pika NIR-640

The Pika NIR-640 hyperspectral camera is Resonon's high-precision Near Infrared (NIR) imager covering the 900 - 1700 nm spectral range. It has superior image quality with higher spatial and spectral resolutions than the Pika NIR-320 hyperspectral camera.

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