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Undo is an interaction technique which is implemented in many computer programs. It erases the last change done to the document, reverting it to an older state. In some more advanced programs, such as graphic processing, undo will negate the last command done to the file being edited.
Helicon Filter, also referred to as Helicon, Filter, or as HF, was a proprietary commercial and shareware photo editing software program for Microsoft Windows, similar to such programs as Adobe Photoshop and GIMP, developed and published by Helicon Soft Ltd.
The MediaWiki software sometimes enables editors to easily revert (undo) a single edit from the history of a page, without simultaneously undoing all constructive changes that have been made since. To do this, view the page history or the diff for the edit, then click on "undo" next to the edit in question. The software will attempt to create ...
[a] The typical way to effect a reversion is to use the "undo" button on the article's history page, but it isn't any less of a reversion if one simply types in the previous text. A single edit may reverse multiple prior edits, in which case the edit constitutes multiple reversions.
Adobe Photoshop is a raster graphics editor developed and published by Adobe for Windows and macOS.It was created in 1987 by Thomas and John Knoll.It is the most used tool for professional digital art, especially in raster graphics editing, and its name has become genericised as a verb (e.g. "to photoshop an image", "photoshopping", and "photoshop contest") [7] although Adobe disapproves of ...
Control-Y is a common computer command. It is generated by holding Ctrl and pressing the Y key on most computer keyboards.. In most Windows applications this keyboard shortcut functions as Redo, reversing a previous Undo.
Image editors may feature a number of algorithms which can add or remove noise in an image. Some JPEG artifacts can be removed; dust and scratches can be removed and an image can be de-speckled. Noise reduction merely estimates the state of the scene without the noise and is not a substitute for obtaining a "cleaner" image.
2. On the diff page, click "undo" at upper right, above the right column of text (Figure 5-3). The Wikipedia software tells you whether it can revert the edit(s). The more consecutive edits you're trying to undo at the same time, assuming none is the current version, the less likely that the software can actually do an undo of the whole group.