A novel remote sensing images fusion algorithm combining extended NSST and modified PCNN

Huayong Yang; Liyu Lin

doi:10.1117/12.2503367

9 August 2018 A novel remote sensing images fusion algorithm combining extended NSST and modified PCNN

Huayong Yang, Liyu Lin

Proceedings Volume 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018); 1080653 (2018) https://doi.org/10.1117/12.2503367
Event: Tenth International Conference on Digital Image Processing (ICDIP 2018), 2018, Shanghai, China

Abstract

In order to more accurately realize fusion of remote sensing images, we propose a novel remote sensing images fusion algorithm combining extended non-subsampled shearlet transform (NSST) and modified pulse-coupled neural network (PCNN). Firstly, it makes histogram matching and intensity smoothing and filtering treatment on intensity component and full-color image of multi-spectral image. Secondly, such intensity component and full-color image are decomposed by extended NSST to get corresponding high-frequency and low-frequency coefficients. For low-frequency coefficients, fusion is made by sparse representation; for high-frequency coefficients, a modified pulse-coupled neural network (PCNN) strategy is put forward to process. Finally, the processed result is drawn by inverse transformation of the extended NSST and intensity-hue-saturation inverse transformation. The experimental results show that the proposed algorithm reserves as much spectral information as possible and improve spatial resolution; its visual effects and objective indexes are better than other classical fusion algorithms.

Citation Download Citation

Huayong Yang and Liyu Lin "A novel remote sensing images fusion algorithm combining extended NSST and modified PCNN", Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 1080653 (9 August 2018); https://doi.org/10.1117/12.2503367

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KEYWORDS

Image fusion

Remote sensing

Associative arrays

Discrete wavelet transforms

Silver

Spatial resolution

Image processing

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