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Hyperspectral Imaging: Technologies and Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Computer Science & Engineering".

Deadline for manuscript submissions: closed (15 December 2025) | Viewed by 7707

Editor

Special Issue Information

Dear Colleagues,

Hyperspectral imaging (HSI) has emerged as a transformative technology, enabling the acquisition and analysis of data across a wide spectrum of wavelengths beyond the visible range. By capturing spatial and spectral information simultaneously, HSI offers unprecedented potential for applications in diverse fields such as environmental monitoring, precision agriculture, remote sensing, medical diagnostics, material inspection, and defense.

The integration of advanced machine learning algorithms and signal processing techniques with hyperspectral data has further enhanced its capabilities, enabling more accurate classification, detection, and prediction. This Special Issue aims to provide a comprehensive overview of recent advancements, novel methodologies, and innovative applications of hyperspectral imaging, fostering interdisciplinary collaboration and inspiring future research in this domain.

We welcome contributions that address challenges such as real-time data processing, miniaturization of hardware, efficient feature extraction, and the development of robust models for hyperspectral data interpretation. Submissions may include original research articles, review papers, and case studies that demonstrate the utility of hyperspectral imaging in solving complex real-world problems.

Key topics of interest include, but are not limited to, the following:

  • Novel hyperspectral imaging systems and hardware innovations;
  • Data compression, enhancement, and denoising techniques;
  • Applications of HSI in agriculture, environmental science, and healthcare;
  • Machine learning and AI for hyperspectral data analysis;
  • Remote sensing and Earth observation advancements;
  • Real-time and embedded HSI processing systems.

This Special Issue seeks to highlight the multifaceted impact of hyperspectral imaging and to provide a platform for researchers and practitioners to share their findings, fostering the growth and adoption of this technology across various disciplines.

Dr. Krzysztof Wolk
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • hyperspectral imaging (HSI)
  • remote sensing
  • precision agriculture
  • environmental monitoring
  • medical diagnostics
  • machine learning
  • data processing
  • feature extraction
  • spectral analysis
  • imaging systems
  • signal processing
  • material inspection
  • real-time processing
  • miniaturization of hardware
  • artificial intelligence (AI)

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Published Papers (2 papers)

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Review

33 pages, 1391 KB  
Review
Hyperspectral Imaging System Applications in Healthcare
by Krzysztof Wołk and Agnieszka Wołk
Electronics 2025, 14(23), 4575; https://doi.org/10.3390/electronics14234575 - 22 Nov 2025
Cited by 9 | Viewed by 3829
Abstract
Hyperspectral imaging (HSI) is a swiftly developing intraoperative and diagnostic technique in several clinical specialties. By monitoring oxygenation and biochemical markers, it helps with tissue viability, burn depth measurement, wound healing, and tumor detection. HSI facilitates real-time, harmless diagnosis throughout surgeries or outpatient [...] Read more.
Hyperspectral imaging (HSI) is a swiftly developing intraoperative and diagnostic technique in several clinical specialties. By monitoring oxygenation and biochemical markers, it helps with tissue viability, burn depth measurement, wound healing, and tumor detection. HSI facilitates real-time, harmless diagnosis throughout surgeries or outpatient settings, and allows for the detection of tumor boundaries with over 90% accuracy, according to clinical studies. Originally developed for remote sensing and aerospace applications, HSI has rapidly evolved and found increasing relevance across diverse sectors, including agriculture, environmental monitoring, food safety, pharmaceuticals, defense, and especially medical diagnostics. This review explores the origins, development, and expanding applications of HSI, with a particular emphasis on its role in healthcare. It discusses the operational principles and unique features of hyperspectral systems, such as their ability to produce spectral data cubes, perform non-destructive analysis, and integrate with emerging technologies like artificial intelligence and drone-based platforms. By comparing hyperspectral imaging to traditional and multispectral techniques, the review highlights its superior spectral resolution and versatility. Key challenges, including data volume, sensor calibration, and real-time processing, are also addressed. Finally, emerging trends such as miniaturization, integration with the Internet of Things, and sustainable system designs are examined, offering insights into the future directions and interdisciplinary potentials of HSI in both scientific research and practical applications. Full article
(This article belongs to the Special Issue Hyperspectral Imaging: Technologies and Applications)
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25 pages, 1141 KB  
Review
Recent Advances in Perfusion Assessment in Clinical Oncology Using Hyperspectral Imaging
by Rok Hren, Tamás Dóczi, Erika Orszagh and Dušan Babič
Electronics 2025, 14(17), 3439; https://doi.org/10.3390/electronics14173439 - 28 Aug 2025
Cited by 8 | Viewed by 3155
Abstract
Perfusion assessment is critical in clinical oncology, particularly in tumor characterization, intraoperative decision making, and postoperative outcome predictions. Hyperspectral imaging (HSI) has emerged as a promising, non-contact, non-invasive, and contrast-free modality capable of capturing spatial and spectral information related to tissue oxygenation and [...] Read more.
Perfusion assessment is critical in clinical oncology, particularly in tumor characterization, intraoperative decision making, and postoperative outcome predictions. Hyperspectral imaging (HSI) has emerged as a promising, non-contact, non-invasive, and contrast-free modality capable of capturing spatial and spectral information related to tissue oxygenation and hemoglobin distribution. This study provides an up-to-date review of recent advances in the use of HSI for perfusion monitoring in clinical oncological applications, with a special focus on its adoption in laparoscopic surgeries, brain tumor delineation, and head and neck cancer interventions. The integration of HSI into surgical workflows and its potential to reduce complications are discussed. Overall, while HSI is emerging as an appealing, real-time, quantitative perfusion imaging modality, a lack of standardized protocols and interpretation guidelines pose the most significant challenges. Addressing these gaps through multicenter clinical trials is essential for advancing the routine use of HSI in oncological surgery. Full article
(This article belongs to the Special Issue Hyperspectral Imaging: Technologies and Applications)
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