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Communication Dans Un Congrès Année : 2009

A New Intensity-Hue-Saturation Fusion Technique with Color Distortion Reduction for IKONOS Imagery

Résumé

Among the existing image fusion algorithms, Intensity-Hue-Saturation (IHS) technique is the most widely used one. When IHS method is used for IKONOS imagery, there is a significant color distortion, due mainly to the range of wavelengths in an IKONOS Pan image. Based on the fact that the grey values of Pan in the green vegetated regions are far larger than the grey values of intensity (I) and that vegetation appears of relatively high reflectance in Near Infrared (NIR) and Pan bands we propose a new technique to solve this problem. This approach makes use of the Normalised Difference Vegetation Index (NDVI) to identify the vegetation area and then enhances it in the green (G) band by using the red (R) and the NIR bands. We obtain an intensity image with grey values comparable to the Pan's grey values. Hence the color distortion in the fused image is reduced. Visual and statistical analyses prove that the concept of the proposed method is promising, and it significantly improves the fusion quality compared to conventional IHS techniques.
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Dates et versions

hal-00446146 , version 1 (12-01-2010)

Identifiants

  • HAL Id : hal-00446146 , version 1

Citer

Miloud Chikr El-Mezouar, Nasreddine Taleb, Kidiyo Kpalma, Joseph Ronsin. A New Intensity-Hue-Saturation Fusion Technique with Color Distortion Reduction for IKONOS Imagery. IEEE 5th International Conference of Sciences of Electronic, Technologies of Information and Telecommunications (SETIT 2009), Mar 2009, Hammamet, Tunisia. p408. ⟨hal-00446146⟩
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