From 8ebc54378e9e5ce6e57481ed25e64814392a79d5 Mon Sep 17 00:00:00 2001
From: Laura Schreiber <laura.schreiber@inaf.it>
Date: Tue, 29 Mar 2022 07:53:14 +0000
Subject: [PATCH] Update README.md

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 README.md | 8 +++++++-
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 # PATCH
 
-Software Patch implements a method based on sectioning approach in deconvolution of space-variant astronomical images. 
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+Software Patch implements a method based on sectioning approach in deconvolution of space-variant astronomical images. 
+
+Software Patch implements a method based on sectioning approach in deconvolution of space-variant astronomical images. The starting point is a mosaic of PSFs, provided by the users, and the input image. The image is partitioned in non-overlapping regions such that each PSF can be considered space-invariant on them.
+The subsequent step consists in applying a deconvolution method modified for taking into account correction of boundary effect. Both the well-known Richardson-Lucy and a fast method called Scaled Gradient Projection, SGP, are available.
+Finally, the output object is obtained as a mosaic of the reconstructed regions.
+
+You can find [here](http://www.airyproject.eu/Tutorials/Patch/index.html) a Tutorial of the Software Patch.
-- 
GitLab