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second cleaning method
A good application to view these files is ''Gwenview'' (KDE).
=== Cleaning 1: obtaining a nicer picture with GIMP===
==== Step 1 ====
To edit it, [http://www.gimp.org The Gimp] comes to the rescue.
The result:
[[Image:Unclean_picture_example1_step2.png|500px]] === Cleaning 2: Aiming for readability: Black and white with Digikam and Gimp ======= Step 1: Crop and auto-correction ====[[Image:Unclean_picture_example1_digikam1.jpg|thumb|Step 1]] Open the jpeg file with [http://www.digikam.org Digikam]. Via the crop tool you cut out the relevant section of the picture. Next you go in the ''Fix->Colors'' menu, and select ''Auto-correction''. Choose as type: ''Equalise'' ==== Step 2: brightness contrast improvement with GIMP ====[[Image:Unclean_picture_example1_digikam2_gimp.jpg|thumb|Step 2]]Digikam only allows brightness correction on the entire picture, so right-click on the picture of step 1, and open it with GIMP. In Gimp, we will make a rectangular selection of the different regions: left, center, right and bottom, and we adjust brightness/contrast separately via ''Tools menu--> Colour Tools'' then ''Brightness-contrast'' Note the vertical lines we introduced by this between the regions with changed brightness. ==== Step 3: Border detection ====Now, with GIMP we invoke select ''Filters'', suboption ''Borders'', and choose as method ''Difference of Gaussians''. As radius 1 we choose 100, and as radius 2 we choose 0. The checkboxes with ''Normalize'' and ''Inverse'' are checked. This will make the letters stand out more. The result: [[Image:Unclean_picture_example1_digikam3_gimp.jpg|500px]]
=== What does it say? ===
The reason of editing the picture is to have a nice picture going with the source. However, in some cases, cleaning up is paramount to be able to read the source. Here this is not really the case, but reading might nevertheless be enhanced by the sharper contrast.
Once you decipher how this priest writes ''B'' and ''P'' and ''s'', reading becomes possible.
The text of this source says:
