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Satellite image enhancement using histogram hyperbolization | ||
| basrah journal of science | ||
| Article 1, Volume 31, Issue 2, 2013, Pages 54-63 PDF (0 K) | ||
| Author | ||
| Hussain Zaydan Ali | ||
| Abstract | ||
| One of the most important quality factors in satellite images comes from its contrast. Contrast enhancement is frequently referred to as one of the most important issues in image processing. Image histogram is a powerful engineering tool to portray information of an image. In this paper a Landsat ETM+ image was analyzed to find out the power of histogram hyperbolization in detecting and delimiting different features in the scene. A visual basic program is designed and implemented on the spectral bands of the satellite image. The results were combined in color composites using ERDAS Imagine Ver. 9.2. Most conventional contrast enhancement algorithms usually fail to provide detailed contrast information in the dark and bright areas of remotely sensed images. The test results indicate that the proposed method provide better contrast image than the conventional enhancement methods. | ||
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