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Multispectral Analysis Explained

02/06/2021

Studio Victoria

3 minutes

Human perception is not always accurate as the brain can play tricks on us, causing human error since we can't see specific light spectra and therefore, this article outlines how technology can help us reduce errors and collect the information we can't see by answering the following questions: **What is Multispectral Imaging? and How do industries use Multispectral Analysis? Keep reading to learn how you can #ONEUPYOURBUSINESS!

WHAT IS MULTISPECTRAL IMAGING?

To briefly explain, Multispectral Imaging involves capturing data across two or more electromagnetic spectra, like infrared and ultraviolet, providing us with details that the human eye can't perceive.

NASA developed Multispectral imaging, Detection, and Active Reflectance (MiDAR) to use for space-based imaging. You can learn more about MiDAR by clicking here.

HOW DO INDUSTRIES USE MULTISPECTRAL ANALYSIS?

Multispectral Analysis is helpful to a whole range of industry sectors from farming to the military to even space. We mentioned in the above section how NASA uses it for space-based imagining. Below, we go into detail and discuss how multiple industries use and benefit from Multispectral Analysis:

  • Farming: With Multispectral sensors attached to drones, farmers can maintain and manage the health of their land, most often referred to as Plant Health Analysis. Multispectral sensors are used to collect data, identify and pinpoint pests, infections, weeds, and specific areas that need fumigation and help farmers use fewer resources like fertiliser and irrigation. Multispectral Analysis for farmers can help keep crops healthy, increase yield, and keep up with the ever-growing population's food demand
  • Military: Since Multispectral imaging can measure mid-wave infrared and long-wave infrared, it is used to monitor and track military targets, especially on local terrain that may be afar that enemies can take advantage of. Multispectral imaging is helpful in the military as it can locate explosives, spot enemy movements, identify hidden bunkers, etc.
  • Environmentalists: Satellites or drones combined with Multispectral sensors can also collect information on the land that identifies change, trends and cycles. With the knowledge, analysts can determine farming production trends, environmental quality and the quality of the resources, helping in the fight against deforestation
  • Infrastructure: Common issues when working with infrastructure is how the land can affect the surrounding areas. For example, is a tree going to grow into a powerline or block a road? The environment can play a big part in decision-making, and Multispectral Analysis can provide predictive maintenance to determine the growth rate of the different types of species and vegetation, identify the types of species, etc., to help prevent disastrous situations that can occur if they were not spotted early on
  • Healthcare: Multispectral imaging can determine the correct medicine and can allocate if any diseases or infections are present which may be hard to identify with the naked eye or other tools. The spectral imaging is also non-invasive, so it doesn't irritate the patient and is useful when which makes it helpful in checking out inflammation on the skin and burns
  • Construction and Property: Frequent Multispectral Analysis inspections on gardens and landscapes can help manage and maintain them as you can gather data on if there are any pests, what is growing, the health of the plants and accurately predict the growth allowing you to make better-informed decisions and take pride in the garden knowing it is well looked after and maintained, making sure it's healthy.
  • Forensics: At crime scenes, forensic teams can use Multispectral imaging to examine the evidence because it will not disturb or contaminate since no contact is needed, making it a valuable tool for analysing documents, fingerprints, inks, powders, bloodstains and residues

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