Hyperspektrisiä

Hyperspektrinen refers to a type of imaging technology that captures a wide range of electromagnetic spectrum information from an object or scene. Unlike traditional cameras that capture light in a few broad spectral bands (like red, green, and blue), hyperspectral imaging systems collect data in many narrow, contiguous spectral bands. This allows for a much more detailed analysis of the material composition of the target.

The data collected by a hyperspectral sensor forms a three-dimensional data cube. Two dimensions represent the spatial information of the image (height and width), while the third dimension represents the spectral information for each pixel. By analyzing the spectral signature of each pixel, it is possible to identify specific materials, substances, or conditions that might be invisible to the human eye or standard imaging techniques.

Hyperspectral imaging has a broad range of applications across various fields. In remote sensing, it is used to map vegetation health, identify mineral deposits, and monitor environmental changes. In agriculture, it can detect crop diseases or nutrient deficiencies. In medicine, it is being explored for disease diagnosis and surgical guidance. It also finds use in industrial quality control, art authentication, and security applications. The ability to differentiate materials based on their unique spectral fingerprints makes hyperspectral imaging a powerful analytical tool.