Comparison of fusion imageries with spectral fidelity using SPOT5

Weitao Chen; Lin Zhang; Zhi Zhang; Yanxin Wang

doi:10.1117/12.833983

30 October 2009 Comparison of fusion imageries with spectral fidelity using SPOT5

Weitao Chen, Lin Zhang, Zhi Zhang, Yanxin Wang

Proceedings Volume 7494, MIPPR 2009: Multispectral Image Acquisition and Processing; 74941K (2009) https://doi.org/10.1117/12.833983
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

Gram-Schmidt and Ehlers fusion, which are well known for spectral fidelity, are described. Selecting a sandrock mine using SPOT5 as study area, spectral fidelity and high spatial information gain are used to assess the two fusion methods, which are compared with multiplication and Andorr fusion. In the whole, the Gram-Schmidt method is the best, preserving highly the original spectral information, and can provide spectrum control foundation for interpreting mine targets in the complex geology environment. Ehlers method is the second. Then Andorr method is the third, and it has the highest spatial information gain, but high frequency information is enlarged excessively, effecting on the identification of mine exploitation state. The multiplication method is the worst, because it loses the high and low frequency information, which is the most important for mine targets recognition.

Citation Download Citation

Weitao Chen, Lin Zhang, Zhi Zhang, and Yanxin Wang "Comparison of fusion imageries with spectral fidelity using SPOT5", Proc. SPIE 7494, MIPPR 2009: Multispectral Image Acquisition and Processing, 74941K (30 October 2009); https://doi.org/10.1117/12.833983

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