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Remote Sensing
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Deep Learning for Spectral-Spatial Hyperspectral Image Classification
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Deep Learning for Spectral-Spatial Hyperspectral Image Classification

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "AI Remote Sensing".

Deadline for manuscript submissions: 15 August 2024 | Viewed by 2883

Special Issue Editors

Dr. Jiayi Li

E-Mail Website
Guest Editor
School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China
Interests: machine learning and pattern recognition; hyperspectral remote sensing image processing and urban application
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Maria Grazia D’Urso

E-Mail Website
Guest Editor
Department of Engineering and Applied Sciences, University of Bergamo, Via Salvecchio 19, 24129 Bergamo, Italy
Interests: structural and infra-structural monitoring with new geomatic techniques (MEMS sensors, UAV platforms, remote sensing)
Special Issues, Collections and Topics in MDPI journals
Dr. Xian Guo

E-Mail Website
Guest Editor
School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, Beijing, China
Interests: high-dimensional spatiotemporal data mining; hyperspectral image classification
Special Issues, Collections and Topics in MDPI journals
Dr. Jie Yang

E-Mail Website
Guest Editor
School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China
Interests: urban remote sensing; operational land cover mapping; spatiotemporal analysis
Prof. Dr. Pedram Ghamisi

grade E-Mail Website
Guest Editor
1.Helmholtz Institute Freiberg for Resource Technology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), D-09599 Freiberg, Germany
2. Institute of Advanced Research in Artificial Intelligence (IARAI), 1030 Wien, Austria
Interests: hyperspectral image interpretation; multisensor and multitemporal data fusion
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Xin Huang

grade E-Mail Website
Guest Editor
School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China
Interests: high spatial and hyperspectral remote sensing image processing methods and applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hyperspectral imaging has greatly expanded our ability to gather detailed data about the Earth's surface. However, effectively utilizing this rich spectral information remains a challenge. Deep learning has emerged as a promising solution, revolutionizing hyperspectral image classification by automatically learning intricate spectral-spatial patterns. We invite contributions that advance the state-of-the-art in this exciting field to unlock new insights to more accurate and impactful applications.

This Special Issue aims to explore the cutting-edge developments in the application of deep learning techniques for spectral-spatial hyperspectral image classification. Researchers are encouraged to submit original research papers, reviews, or surveys. Submissions should adhere to high scientific standards, demonstrate the significance of their contributions, and offer clear experimental validation. We welcome submissions that address both theoretical advancements and real-world applications.

This Special Issue aims to cover a wide range of topics related to deep learning for spectral-spatial hyperspectral image classification, including but not limited to:

  • Development and optimization of deep neural network architectures tailored for hyperspectral data.
  • Spectral and spatial information fusion in deep learning models.
  • Dimensionality reduction methods for hyperspectral data pre-processing.
  • Transfer learning and domain adaptation in hyperspectral image classification.
  • Data augmentation and label noise learning.
  • Benchmark datasets for hyperspectral classification.
  • Explainable deep learning.
  • Applications in environmental monitoring, agriculture, mineral exploration, and more.
  • Integration of multi-modal data sources with hyperspectral imagery.

Dr. Jiayi Li
Prof. Dr. Maria Grazia D’Urso
Dr. Xian Guo
Dr. Jie Yang
Prof. Dr. Pedram Ghamisi
Prof. Dr. Xin Huang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Remote Sensing 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 2700 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

  • deep learning
  • hyperspectral imaging
  • spectral-spatial classification
  • domain adaption
  • attention mechanisms

Published Papers (3 papers)

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Research

21 pages, 4386 KiB  
Article
Spectral-Spatial-Sensorial Attention Network with Controllable Factors for Hyperspectral Image Classification
by Sheng Li, Mingwei Wang, Chong Cheng, Xianjun Gao, Zhiwei Ye and Wei Liu
Remote Sens. 2024, 16(7), 1253; https://doi.org/10.3390/rs16071253 - 01 Apr 2024
Viewed by 568
Abstract
Hyperspectral image (HSI) classification aims to recognize categories of objects based on spectral–spatial features and has been used in a wide range of real-world application areas. Attention mechanisms are widely used in HSI classification for their ability to focus on important information in [...] Read more.
Hyperspectral image (HSI) classification aims to recognize categories of objects based on spectral–spatial features and has been used in a wide range of real-world application areas. Attention mechanisms are widely used in HSI classification for their ability to focus on important information in images automatically. However, due to the approximate spectral–spatial features in HSI, mainstream attention mechanisms are difficult to accurately distinguish the small difference, which limits the classification accuracy. To overcome this problem, a spectral–spatial-sensorial attention network (S3AN) with controllable factors is proposed to efficiently recognize different objects. Specifically, two controllable factors, dynamic exponential pooling (DE-Pooling) and adaptive convolution (Adapt-Conv), are designed to enlarge the difference in approximate features and enhance the attention weight interaction. Then, attention mechanisms with controllable factors are utilized to build the redundancy reduction module (RRM), feature learning module (FLM), and label prediction module (LPM) to process HSI spectral–spatial features. The RRM utilizes the spectral attention mechanism to select representative band combinations, and the FLM introduces the spatial attention mechanism to highlight important objects. Furthermore, the sensorial attention mechanism extracts location and category information in a pseudo label to guide the LPM for label prediction and avoid details from being ignored. Experimental results on three public HSI datasets show that the proposed method is able to accurately recognize different objects with an overall accuracy (OA) of 98.69%, 98.89%, and 97.56%, respectively. Full article
(This article belongs to the Special Issue Deep Learning for Spectral-Spatial Hyperspectral Image Classification)
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25 pages, 15523 KiB  
Article
A Framework for Fine-Grained Land-Cover Classification Using 10 m Sentinel-2 Images
by Wenge Zhang, Xuan Yang, Zhanliang Yuan, Zhengchao Chen and Yue Xu
Remote Sens. 2024, 16(2), 390; https://doi.org/10.3390/rs16020390 - 18 Jan 2024
Viewed by 788
Abstract
Land-cover mapping plays a crucial role in resource detection, ecological environmental protection, and sustainable development planning. The existing large-scale land-cover products with coarse spatial resolution have a wide range of categories, but they suffer from low mapping accuracy. Conversely, land-cover products with fine [...] Read more.
Land-cover mapping plays a crucial role in resource detection, ecological environmental protection, and sustainable development planning. The existing large-scale land-cover products with coarse spatial resolution have a wide range of categories, but they suffer from low mapping accuracy. Conversely, land-cover products with fine spatial resolution tend to lack diversity in the types of land cover they encompass. Currently, there is a lack of large-scale land-cover products simultaneously possessing fine-grained classifications and high accuracy. Therefore, we propose a mapping framework for fine-grained land-cover classification. Firstly, we propose an iterative method for developing fine-grained classification systems, establishing a classification system suitable for Sentinel-2 data based on the target area. This system comprises 23 fine-grained land-cover types and achieves the most stable mapping results. Secondly, to address the challenges in large-scale scenes, such as varying scales of target features, imbalanced sample quantities, and the weak connectivity of slender features, we propose an improved network based on Swin-UNet. This network incorporates a pyramid pooling module and a weighted combination loss function based on class balance. Additionally, we independently trained models for roads and water. Guided by the natural spatial relationships, we used a voting algorithm to integrate predictions from these independent models with the full classification model. Based on this framework, we created the 2017 Beijing–Tianjin–Hebei regional fine-grained land-cover product JJJLC-10. Through validation using 4254 sample datasets, the results indicate that JJJLC-10 achieves an overall accuracy of 80.3% in the I-level validation system (covering seven land-cover types) and 72.2% in the II-level validation system (covering 23 land-cover types), with kappa coefficients of 0.7602 and 0.706, respectively. In comparison with widely used land-cover products, JJJLC-10 excels in accurately depicting the spatial distribution of various land-cover types and exhibits significant advantages in terms of classification quantity and accuracy. Full article
(This article belongs to the Special Issue Deep Learning for Spectral-Spatial Hyperspectral Image Classification)
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Graphical abstract

30 pages, 4719 KiB  
Article
Training Methods of Multi-Label Prediction Classifiers for Hyperspectral Remote Sensing Images
by Salma Haidar and José Oramas
Remote Sens. 2023, 15(24), 5656; https://doi.org/10.3390/rs15245656 - 07 Dec 2023
Cited by 1 | Viewed by 1030
Abstract
Hyperspectral remote sensing images, with their amalgamation of spectral richness and geometric precision, encapsulate intricate, non-linear information that poses significant challenges to traditional machine learning methodologies. Deep learning techniques, recognised for their superior representation learning capabilities, exhibit enhanced proficiency in managing such intricate [...] Read more.
Hyperspectral remote sensing images, with their amalgamation of spectral richness and geometric precision, encapsulate intricate, non-linear information that poses significant challenges to traditional machine learning methodologies. Deep learning techniques, recognised for their superior representation learning capabilities, exhibit enhanced proficiency in managing such intricate data. In this study, we introduce a novel approach in hyperspectral image analysis focusing on multi-label, patch-level classification, as opposed to applications in the literature concentrating predominantly on single-label, pixel-level classification for hyperspectral remote sensing images. The proposed model comprises a two-component deep learning network and employs patches of hyperspectral remote sensing scenes with reduced spatial dimensions yet with a complete spectral depth derived from the original scene. Additionally, this work explores three distinct training schemes for our network: Iterative, Joint, and Cascade. Empirical evidence suggests the Joint approach as the optimal strategy, but it requires an extensive search to ascertain the optimal weight combination of the loss constituents. The Iterative scheme facilitates feature sharing between the network components from the early phases of training and demonstrates superior performance with complex, multi-labelled data. Subsequent analysis reveals that models with varying architectures, when trained on patches derived and annotated per our proposed single-label sampling procedure, exhibit commendable performance. Full article
(This article belongs to the Special Issue Deep Learning for Spectral-Spatial Hyperspectral Image Classification)
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