Evaluation of reconstructed radio images techniques of CLEAN de-convolution methods
Автор: M.A. Mohamed, A.H. Samrah, Q.E. Elgamily
Журнал: International Journal of Image, Graphics and Signal Processing @ijigsp
Статья в выпуске: 10 vol.10, 2018 года.
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In Modern Radio Interferometry Various Techniques have been developed for the Reconstruction of the high-dimensional Data scalability Radio Images. CLEAN Variants are widely used in Radio Astronomy because of its computationally efficiency and easiness to understand. CLEAN deconvolves different polarization component images independently and nonlinearly from the point source response by removing the dirty beam pattern form the images. CLEAN Algorithms have been evaluated in this paper for both single field "Deconvolution" (Hogbom, Clark, Clark Stokes, and Cotton Schwab) and multi-field "Deconvolution" (Multi Scale, Multi Frequency and Multi Scale Multi frequency). Based upon simulation results, it is clear that more updated techniques are needed for Large radio telescopes to face big data, extended sources emissions and fast imaging issues which are using dimensionality reduction from the perspective of the compressed sensing theory and to study its interplay with imaging algorithms which are designed in the context of convex optimization combined with sparse representations.
CLEAN, Deconvolution, Image Reconstruction, Compressive Sensing, Interferometry, Image Processing
Короткий адрес: https://sciup.org/15016001
IDR: 15016001 | DOI: 10.5815/ijigsp.2018.10.03
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