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- W4296350174 abstract "Deconvolution of the telescope Point Spread Function (PSF) is necessary for even moderate dynamic range imaging with interferometric telescopes. The process of deconvolution can be treated as a search for a model image such that the residual image is consistent with the noise model. For any search algorithm, a parameterized function representing the model such that it fundamentally separates signal from noise will give optimal results. In this paper, the first in a series of forthcoming papers, we argue that in general, spatial correlation length (a measure of the scale of emission) is a stronger separator of the signal from the noise, compared to the strength of the signal alone. Consequently scale sensitive deconvolution algorithms result into more noise-like residuals. We present a scale-sensitive deconvolution algorithm for radio interferometric images, which models the image as a collection of Adaptive Scale Pixels (Asp). Some attempts at optimizing the runtime performance are also presented." @default.
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- W4296350174 date "2004-10-11" @default.
- W4296350174 modified "2023-10-13" @default.
- W4296350174 title "Scale sensitive deconvolution of interferometric images" @default.
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- W4296350174 doi "https://doi.org/10.1051/0004-6361:20040354" @default.
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