Re: DXO for vignetting or not before PTGui ?
- On Saturday, March 01, 2008 at 17:55, Victor wrote:
> The correction is hard-coded for lens, and if zoomable, for the zoom...which gives a theoretical vignetting value without guarantee that
> setting, etc. as read through EXIF.
this meets the real situation.
> PTGui does an excellent job, but is calculating the correction on theThe algorithm (based on a paper by Pablo d'Angelo BTW), is pretty
> fly and that may be affected by what's in the picture.
robust and gives very good results - and of course it works on the
real vignetting, not a theoretical value.