Recent Advances in Multi- and Hyperspectral Image Analysis

Sensors (Basel). 2021 Sep 8;21(18):6002. doi: 10.3390/s21186002.

Abstract

Current advancements in sensor technology bring new possibilities in multi- and hyperspectral imaging. Real-life use cases which can benefit from such imagery span across various domains, including precision agriculture, chemistry, biology, medicine, land cover applications, management of natural resources, detecting natural disasters, and more. To extract value from such highly dimensional data capturing up to hundreds of spectral bands in the electromagnetic spectrum, researchers have been developing a range of image processing and machine learning analysis pipelines to process these kind of data as efficiently as possible. To this end, multi- or hyperspectral analysis has bloomed and has become an exciting research area which can enable the faster adoption of this technology in practice, also when such algorithms are deployed in hardware-constrained and extreme execution environments; e.g., on-board imaging satellites.

Keywords: classification; dimensionality reduction; feature extraction; hyperspectral image analysis; image acquisition; multispectral image analysis; segmentation; unmixing.

Publication types

  • Editorial

MeSH terms

  • Agriculture
  • Algorithms*
  • Hyperspectral Imaging*
  • Image Processing, Computer-Assisted
  • Machine Learning