Astronomical image processing based on fractional calculus: the AstroFracTool

Details Astronomical image processing based on fractional calculus: the AstroFracTool Astronomical image processing based on fractional calculus: the AstroFracTool

2009-10-26

arxiv.org/abs/0910.4637v2

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

Keywords: Fractional calculation, image processing, astronomy

Scientific paper

The implementation of fractional differential calculations can give new possibilities for image processing tools, in particular for those that are devoted to astronomical images analysis. As discussed in arxiv:0910.2381, the fractional differentiation is able to enhance the quality of images, with interesting effects in edge detection and image restoration. Here, we propose the AstroFracTool, developed to provide a simple yet powerful enhancement tool-set for astronomical images. This tool works evaluating the fractional gradient of an image map. It can help produce an output image useful for further research and scientific purposes, such as the detection of faint objects and galaxy structures, or, in the case of planetary studies, the enhancement of surface details.

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