What is Superspectral and Multispectral?
Multispectral is a word to describe a process of operating or involving multiple wavelengths of radiation in the electromagnetic spectrum
Typically, 3 to 10 bands are used to describe multispectral imaging. There is a clear title for each band. Multispectral imaging is a technology that captures images at specific frequencies across the electromagnetic spectrum, rather than just the visible spectrum. This allows for the detection of features and properties that are not visible to the naked eye. Multispectral imaging has applications in fields such as remote sensing, astronomy, and medical and forensic imaging. In this type of imaging, the sensor is a multichannel detector with a few spectral bands. Each channel is sensitive to radiation within a narrow wavelength band. The resulting image is a multilayer image which contains both the brightness and spectral (color) information of the targets being observed.
Working Method
Mobile Device Camera
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Superspectral is a term used to describe a type of sensor that is capable of capturing more than the three primary colors of the visible spectrum (red, green, and blue) that traditional cameras capture. Superspectral sensors are able to capture additional spectral bands, which can provide more information about the objects being imaged. A superspectral imaging sensor has many more spectral channels (typically >10) than a multispectral sensor. The bands have narrower bandwidths, enabling the finer spectral characteristics of the targets to be captured by the sensor. This technology has applications in fields such as agriculture, environmental monitoring, and medical and forensic imaging. Superspectral sensors are able to capture wavelengths of light that are beyond the range of human vision, such as ultraviolet and infrared radiation. This allows them to detect patterns and features that are not visible to the naked eye, which can be useful in a variety of applications like mentioned.
Multispectral and Superspectral imaging can also be used in forensic investigations. By analyzing the spectral properties of various materials, such as bloodstains, fibers, and gunshot residue, forensic scientists can identify and analyze evidence that might be missed with traditional techniques. This can help to solve crimes and provide more accurate evidence in legal proceedings.
