TCA corr Specify 'db' for database lookup or the 4 coefficientsĪ:b:c:d -camera-maker=Maker Camera manufacturer, for database query -camera-model=Cam Camera name, for database query -lensname=Lens Lens name, for database query Is applied on top of the -green distortion coefficients, use for This is applied on top of the -green distortion coefficients, useįor TCA corr Specify 'db' for database lookup or the 4 coefficientsĪ:b:c:d -red=db|a:b:c:d Correct radial distortion coefficients for red channel, (a, b, c, d). Specify 'db' for database lookup or the 4 coefficients a:b:c:d -blue=db|a:b:c:d Correct radial distortion coefficients for blue channel, (a, b, c, d). OPTIONS ¶ -green=db|a:b:c:d Correct radial distortion coefficient for all channels, (a, b, c, d) This is equal to varying the d parameter in equation
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MostĪpplications, like Photoshop or Picture Window Pro offer TCA correction by Scaling the red and blue channel so that they match the green channel. Scaled objects in the red, green and blue channel, it can be corrected by Since transversal chromatic aberrations (TCA) leads to differently The radial distortion correction is identical to the one
I = I / c, c = flat-field / mean(flat-field) Vignetting correction by flat-field division:
Vignetting correctionĬan be done based on a flat-field or a radial scaling.
Nona script file documentation, or from lens database. Vignetting correction is done the same way as described in the Radialĭistortion coefficients can be read from a lens database. Geometrical radial distortion and transversal chromatic aberrationįulla can be used to batch correct a large number of files. Fulla - Correct lens distortion, vignetting and chromaticįulla inputfile(s) DESCRIPTION ¶Īpply radial or flat-field vignetting correction as well as
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