Fast panchromatic sharpening for high-resolution multi-spectral images

Jonghwa Lee, Chulhee Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

For IKONOS imagery, both multi-spectral and panchromatic data are provided with different spatial resolutions. In order to produce multi-spectral images with high spatial resolution, a number of panchromatic sharpening methods have been developed. However, the classical methods such as IHS, PCA and Brovey transform often introduce severe color distortion due to injecting undesired low-pass component of panchromatic observation into the fused multi-spectral images. Recent methods employing the discrete wavelet transform (DWT) or the undecimated DWT preserve good spectral information and prevent adding low-pass components. However, it is difficult to process a large volume of data due to memory requirement and computational cost. The high-pass filtering, Laplacian pyramid, and high-pass modulation (HPM) methods provide good performance with a few spectral distortion and low computational complexity. In this paper, we present a fast and general panchromatic sharpening method for combining low-resolution multi-spectral images with a high-resolution panchromatic image. Experimental results demonstrate that the proposed method produces high-quality fused image and outperforms existing panchromatic sharpening methods in terms of objective quality measures such as UIQI, Q4, RASE and ERGAS.

Original languageEnglish
Title of host publication2008 IEEE International Geoscience and Remote Sensing Symposium - Proceedings
PagesV77-V80
Edition1
DOIs
Publication statusPublished - 2008 Dec 1
Event2008 IEEE International Geoscience and Remote Sensing Symposium - Proceedings - Boston, MA, United States
Duration: 2008 Jul 62008 Jul 11

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)
Number1
Volume5

Other

Other2008 IEEE International Geoscience and Remote Sensing Symposium - Proceedings
CountryUnited States
CityBoston, MA
Period08/7/608/7/11

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Earth and Planetary Sciences(all)

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    Lee, J., & Lee, C. (2008). Fast panchromatic sharpening for high-resolution multi-spectral images. In 2008 IEEE International Geoscience and Remote Sensing Symposium - Proceedings (1 ed., pp. V77-V80). [4780031] (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 5, No. 1). https://doi.org/10.1109/IGARSS.2008.4780031