Adjustable intensity-hue-saturation and Brovey transform fusion technique for IKONOS/QuickBird imagery

TeMing Tu; Yuh-Chi Lee; Chien-Ping Chang; Ping Sheng Huang

doi:10.1117/1.2124871

1 November 2005 Adjustable intensity-hue-saturation and Brovey transform fusion technique for IKONOS/QuickBird imagery

TeMing Tu, Yuh-Chi Lee, Chien-Ping Chang, Ping Sheng Huang

Author Affiliations +

Optical Engineering, Vol. 44, Issue 11, 116201 (November 2005). https://doi.org/10.1117/1.2124871

Abstract

Among various image fusion methods, intensity-hue-saturation (IHS) and Brovey transforms (BT) can quickly merge huge amounts of IKONOS/QuickBird imagery. However, spectral degradation often appears in the fused images. Moreover, IHS and BT suffer from individual color distortion on saturation compression and saturation stretching, respectively. To balance these two saturation changes during the fusion process, an adjustable IHS-BT approach with spectral adjustment is proposed. Furthermore, to solve the typical bright target recovery (BTR) problems, a simple procedure of dynamic range adjustment (DRA) is also presented. By adopting different DRA techniques, the proposed IHS-BT method is divided into two different fusion approaches: the model of preserving spectral information and the model of enhancing spatial details. Experimental results demonstrate that the proposed combined approaches can achieve significant improvement over other current approaches.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

TeMing Tu, Yuh-Chi Lee, Chien-Ping Chang, and Ping Sheng Huang "Adjustable intensity-hue-saturation and Brovey transform fusion technique for IKONOS/QuickBird imagery," Optical Engineering 44(11), 116201 (1 November 2005). https://doi.org/10.1117/1.2124871

Published: 1 November 2005

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