Abstract
Spectral imaging covers hyperspectral and multispectral image acquisition, processing, and analysis. Visible-near infrared hyperspectral imaging captures several image channels in 400-2500 nm bands of the electromagnetic spectrum. Multispectral is the same as hyperspectral imaging but with fewer image channels. Due to the detection of invisible goals via area assessment, the techniques are widely used for research and application purposes in different fields. The techniques are applied to assess the external and internal properties of objects. Besides providing non-destructive assessments, high accuracy, reliability, repeatability, and speed and low cost are advantages of the techniques. Using image processing technology, the acquired images are manipulated to extract and analyze features, and the obtained results are used in decision-making processes. Biosystems engineering is applying engineering science and technology in agriculture, natural resources, and food sectors to move in a sustainable production path. Visible-near infrared hyperspectral and multispectral imaging techniques and their advantages have been discussed. The techniques have been successfully used in Iran for the detection of diseases, ripeness, components, and alterations in plants and plant-based materials.
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Copyright (c) 2025 Kamran Kheiralipour, Farzaneh Sajadipour, Mohammad Hossein Nargesi (Author)