研究目的
To provide an overview of fundamentals and advances in hyperspectral images, including enhancement, denoising, restoration, and classification techniques, and to discuss standard hyperspectral datasets used for research purposes.
研究成果
Hyperspectral imaging is a valuable technique in remote sensing with applications ranging from traditional uses to industry-based applications. The chapter provides a comprehensive overview of recent approaches in HSI enhancement, classification, denoising, and restoration, and discusses the use of standard datasets for research purposes.
研究不足
The chapter highlights challenges in hyperspectral data interpretation, including high dimensionality, spectral mixing, and noise. It also mentions the computational complexity and expense of some classification techniques.
1：Experimental Design and Method Selection:
The chapter discusses various methods for hyperspectral image enhancement, denoising, and classification, including principal component analysis, independent component analysis, and machine learning algorithms like SVM and OMP.
2：Sample Selection and Data Sources:
Standard hyperspectral datasets such as Botswana, Pavia University, Indian Pines, KSC, and Salinas-A are used for testing and evaluating algorithms.
3：List of Experimental Equipment and Materials:
Hyperspectral sensors like AVIRIS, HYDICE, CASI, HYMAP, Hyperion, HYSI, MODIS, and CHRIS are mentioned.
4：Experimental Procedures and Operational Workflow:
Detailed algorithms for image enhancement, denoising, and classification are provided, including steps for OMP and SVM.
5：Data Analysis Methods:
Techniques for dimensionality reduction, noise removal, and classification accuracy assessment are discussed.
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AVIRIS
NASA
Airborne hyperspectral sensor for capturing images in the wavelength range of 400–2500 nm.
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HYDICE
Hyperspectral sensor for capturing images in the wavelength range of 400–2500 nm.
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CASI
Compact airborne spectrographic imager for capturing images in the wavelength range of 400–900 nm.
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HYMAP
Hyperspectral sensor for capturing images in the wavelength range of 400–2500 nm.
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Hyperion
NASA
Spaceborne hyperspectral sensor for capturing images in the wavelength range of 400–2500 nm.
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HySI
Hyperspectral imaging camera for capturing images in the wavelength range of 400–950 nm.
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MODIS
NASA
Moderate resolution imaging spectroradiometer for capturing images in the wavelength range of 400–1440 nm.
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CHRIS
Compact high resolution imaging spectrometer for capturing images in the wavelength range of 400–1050 nm.
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