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Increase the Intelligibility of Multispectral Image Using Pan-Sharpening Techniques for Many Remotely Sensed Images | ||
| Ibn Al-Haitham Journal For Pure And Applied Science | ||
| Article 1, Volume 28, Issue 3, 2015, Pages 29-41 | ||
| Author | ||
| Israa J.M. Al-Rubiey | ||
| Abstract | ||
| Pan sharpening (fusion image) is the procedure of merging suitable information from two or more images into a single image. The image fusion techniques allow the combination of different information sources to improve the quality of image and increase its utility for a particular application. In this research, six pan-sharpening method have been implemented between the panchromatic and multispectral images, these methods include Ehlers, color normalize, Gram-Schmidt, local mean and variance matching, Daubechies of rank two and Symlets of rank four wavelet transform. Two images captured by two different sensors such as landsat-8 and world view-2 have been adopted to achieve the fusion purpose. Different fidelity metric like MSE, RMSE, PSNR, Cc, ERGAS and RASE have been used to achieve the comparison among the fusion methods. The results show that Daubechies wavelet (db2) transform was good method for pan sharpening images. Where good statistical values have been obtained, when it is applied on the first and second image that are captured by different sensors with different spatial resolution. | ||
| Keywords | ||
| Images pan sharpening; Ehlers; Gram; Schmidt; wavelet; local variance matching | ||
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