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Sharpens digital images

'refocus' is a Gimp plug-in that sharpens images. It is meant for use with scanned photos and slides, and in many cases produces much better results than the sharpen or unsharp mask plugins. Using a technique called FIR Wiener filtering, the program refocuses an image that may have gotten blurry during scanning or scaling. It includes a preview feature that helps you to select the best parameters.


User guide included and available in HTML format from


version 0.9.0 (stable)
released on 4 February 2003

VCS Checkout


Related Projects



Verified by

Verified on


Verified by

Janet Casey

Verified on

4 February 2003

Leaders and contributors

Ernst Lippe Maintainer

Resources and communication

AudienceResource typeURI
DeveloperVCS Repository Webview
Bug Tracking,Developer,
Debian (Ref)
Ruby (Ref)

Software prerequisites

Required to useGimp 1.2 or later
Required to useGTK+ 2.0 or later
Required to buildGimp 1.2 or later
Required to buildGTK+ 2.0 or later
Weak prerequisiteATLAS (

This entry (in part or in whole) was last reviewed on 17 April 2018.


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"Debian (Ref)" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

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