Hyperspectral Image Super-Resolution Based on Frequency Characteristics

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Super-resolution is of great importance when it comes to hyperspectral image processing. The existing methods have not explored the frequency component relationships between low-resolution hyperspectral images (LR-HSIs), high-resolution multispectral images (HR-MSIs), and high-resolution hyperspectral images (HR-HSIs). Drawing from empirical observations of the correlation between amplitude and the illumination / spectral characteristics of images, as well as the correlation between phase and the structural aspects of images, we show that the amplitude of LR-HSI is closer to HR-HSI, and the phase of HR-MSI is closer to HR-HSI. Based on this, we devise the Phase-amplitude Decoupled Modulator (PaDM), which extracts amplitude information from LR-HSI and phase information from HR-MSI to regulate the hyperspectral image super-resolution (HSISR) process. Experiments demonstrate the effectiveness of the proposed method.

Original languageEnglish
Title of host publicationProceedings - 2024 17th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2024
EditorsQingli Li, Yan Wang, Lipo Wang
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798331507398
DOIs
StatePublished - 2024
Event17th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2024 - Shanghai, China
Duration: 26 Oct 202428 Oct 2024

Publication series

NameProceedings - 2024 17th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2024

Conference

Conference17th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2024
Country/TerritoryChina
CityShanghai
Period26/10/2428/10/24

Keywords

  • hyperspectral image
  • image fusion
  • super-resolution

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