Recent Trends and Advances of Hyperspectral Image in Remote Sensing
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensing and Imaging".
Deadline for manuscript submissions: closed (5 December 2023) | Viewed by 362
Special Issue Editor
Special Issue Information
Dear Colleagues,
Hyperspectral imaging is now a fully operational tool for remote sensing but still continues to be a very active research area, both in the field of data processing and in the field of instrumental development. Indeed, for a few years, visible and near-infrared instruments have been available off-the-shelf, either ground-based, on UAVs, or airborne, and several civilian hyperspectral satellites are nowadays operational. Hyperspectral images are thus quite easily accessible, and call for more processing methods and use cases to get the most out of such rich data, whether it is for land, atmosphere, industrial monitoring, or other applications. Meanwhile, new sensors are still being developed, taking advantage, among other things, of the increase in the size of the focal plane arrays and of progress in the manufacturing of optical components. In particular, we see a strong trend toward the development of very compact sensors, for still better ease of use, or for integration in nanosatellites. Besides, hyperspectral systems in the mid-wave or long-wave domain, combined with polarization measurements, or active hyperspectral imaging, are not yet as widespread as visible passive devices. There are consequently many efforts to design innovative instruments, as hyperspectral imaging is remarkable by the diversity of proposed optical architectures, both of the core spectroscopic components (diffraction grating, two-wave interferometer, tunable spectral filter, multilayer deposited filter, photonic integrated circuit, and so on) and about the way to use it.
The aim of this Special Issue is to highlight the current innovations among these different facets of hyperspectral imaging in remote sensing: new applications and processing methods, new instruments and optical designs, and progress in the manufacturing of specific components.
Dr. Yann Ferrec
Guest Editor
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Keywords
- hyperspectral imaging
- remote sensing
- spectral unmixing
- spectral classification
- GHG monitoring
- instrumentation
- diffraction grating
- tunable filter
- multilayer filter
- Fourier transform spectrometer
- freeform optics
- optical design
