De-correlation stretch filtering approach for effective Poisson reduction in galaxy Images
Journal Title: INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY - Year 2013, Vol 11, Issue 9
Abstract
Noise reduction is one of the most important processes to enhance the quality of images. This paper proposes a statistical filter, the decorrelation stretch filter for the reduction of Poisson noise that occurs frequently in galaxy images. The primary purpose of decorrelation stretch is visual enhancement. Decorrstretch is applied to the three band images but can also work on arbitrary number of bands. This filter enhances the color separation of an image with significant band-band correlation. Effectiveness of the proposed filter is compared on the basis of Peak Signal to Noise Ratio (PSNR), Mean Square Error (MSE).
Authors and Affiliations
Sathesh Sathesh, Dr. J. Samuel Manoharan
Keywords
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- EP ID EP650412
- DOI 10.24297/ijct.v11i9.3408
- Views 78
- Downloads 0
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