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Optical Engineering

Adjustable intensity-hue-saturation and Brovey transform fusion technique for IKONOS/QuickBird imagery
Author(s): TeMing Tu; Yuh-Chi Lee; Chien-Ping Chang; Ping Sheng Huang
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Paper 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.

Paper Details

Date Published: 1 November 2005
PDF: 10 pages
Opt. Eng. 44(11) 116201 doi: 10.1117/1.2124871
Published in: Optical Engineering Volume 44, Issue 11
Show Author Affiliations
TeMing Tu, National Defense Univ. (Taiwan)
Yuh-Chi Lee, National Defense Univ. (Taiwan)
Chien-Ping Chang, National Defense Univ. (Taiwan)
Ping Sheng Huang, Chung Cheng Institute of Technology (Taiwan)

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