Difference between revisions of "Barrel distortion"

Latest revision as of 00:07, 18 November 2007

Barrel distortion is the opposite of pincushion distortion, it is a radial image distortion introduced by the lens itself.

It is a common Lens distortion that can be corrected by the lens correction model of panotools.

A photograph showing exaggerated barrel distortion

@@ Line 1: / Line 1: @@
-This is stub article and needs to be expanded by somebody with pictures etc.. please go ahead.
+{{Glossary|A distortion produced by the lens itself which causes straight lines to be bent outwards.}}
+'''Barrel distortion''' is the opposite of [[pincushion distortion]], it is a radial image distortion
+introduced by the lens itself.
-''Barrel distortion'' is the opposite of [[pincushion distortion]].
+It is a common [[Lens distortion]] that can be corrected by the [[lens correction model]] of panotools.
-== Tools to correct barrel distortion ==
+[[Image:Barrel-distortion.jpg|frame|none|A photograph showing exaggerated barrel distortion]]
+[[Category:Glossary]]
-* The original [[PTStitcher]] can be scripted to batch process images with known a, b & c parameters.  It can also be operated with one of the GUI tools such as [[PTGui]], [[PTAssembler]], [[hugin]] or [[PTMac]].
-* [[nona]] or [[nona_gui]] (both part of the [[hugin]] distribution) can be used identically to [[PTStitcher]].
-* The Correct filter in the [[Panorama Tools Plugins]] for the [[gimp]] or [[photoshop]] uses the same a, b & c parameters as [[PTStitcher]].  Note that it doesn't know about d & e parameters and uses 'd' as an overall scaling factor instead.
-* [[PTLens]] is a [[Photoshop]] plugin and a stand-alone Windows tool that uses the same a, b & c parameters and comes with a database of popular lenses.
-* [[Clens]] is a command line version of [[PTLens]].
-* [[Gimp wideangle plugin]] uses a different formula altogether to correct distortion.
-* [[Gimp phfluuh plugin]] is another tool that corrects lens distortion using yet another formula.
-* [[CamChecker]] is a tool for automatically determining lens distortion and generates a different set of parameters from everything else.
-* [[zhang_undistort]] is a tool ditributed with [[hugin]] that uses [[CamChecker]] parameters to actually correct distortion.

Difference between revisions of "Barrel distortion"

Latest revision as of 00:07, 18 November 2007

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