Fast wavelet-based pansharpening of multi-spectral images

Mitianoudis, Nikolaos; Tzimiropoulos, Georgios; Stathaki, Tania

Abstract

Remote Sensing systems enhance the spatial quality of low-resolution Multi-Spectral (MS) images using information from Pan-chromatic (PAN) images under the pansharpening framework. Most decimated multi-resolution pansharpening approaches upsample the low-resolution MS image to match the resolution of the PAN image. Consequently, a multi-level wavelet decomposition is performed, where the edge information from the PAN image is injected in the MS image. In this paper, the authors propose a pansharpening framework that eliminates the need of upsampling of the MS image, using a B-Spline biorthogonal wavelet decomposition scheme. The proposed method features similar performance to the state-of-the-art pansharpening methods without the extra computational cost induced by upsampling.

Citation

Mitianoudis, N., Tzimiropoulos, G., & Stathaki, T. (2010). Fast wavelet-based pansharpening of multi-spectral images.

• Conference Name: 2010 IEEE International Conference on Imaging Systems and Techniques (IST)
• End Date: Jul 2, 2010
• Publication Date: Jan 1, 2010
• Deposit Date: Feb 1, 2016
• Publicly Available Date: Aug 12, 2018
• Peer Reviewed: Peer Reviewed
• Public URL: https://nottingham-repository.worktribe.com/output/1012908
• Additional Information: Copyright IEEE, 2010. Published in: 2010 IEEE International Conference on Imaging Systems and Techniques: proceedings: July 1-2, 2010, Electra Palace, Thessaloniki, Greece. Piscataway, N.J. : IEEE, ©2010. doi: 10.1109/IST.2010.5548451