FixChromaticAberration

Abstract
Author	martin53 at doom9
Version	04/09/2007
Download	FixChromaticAberration.avsi
Category	Chroma Correction
License
Discussion	Doom9 Thread

Description

A script to reduce chromatic aberration. This function stretches the red, green and/or blue channel according to a given factor symmetrically around the center of the frame and crops it afterwards. Note that chromatic aberration also smears the image a bit, which is not compensated by this function.

Requirements

• AviSynth 2.5.8 or greater
• Supported color formats: RGB32, RGB24

Syntax and Parameters

FixChromaticAberration (clip clip, val "red", val "green", val "blue", val "x", val "y")

clip   =

Input clip.

val  red = 1

val  green = 1

val  blue = 1

red, green and blue are stretching (resizing) factors against the original clip size. Factors of e.g. red=1.015, green=1.01 allow to compensate the colored edges near the corners of the image which appear from lenses with 'chromatic aberration'.

val  x =

val  y =

x and y allow to set the center of the aberration circle. It defaults to the center of the image.

Examples

FixChromaticAberration with default settings:

AviSource("Blah.avi")
FixChromaticAberration(red=1, green=1, blue=1)

Changelog

Version      Date(D/M/Y)      Changes

             04/09/2007       - Initial release

External Links

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