[Digikam-devel] blowup handbook

[Caulier Gilles]

Le Vendredi 7 Octobre 2005 20:16, Oliver Dörr a écrit :
> Just an additional Remark,
>
> reading the handbook, the mentioned values for detail preservation and
> smoothing makes a lot of sense together. So i'll suspect a bug in the
> plugin allowing values that does notz make sense.
>
> Could somebody who understand the underlying algorithm check that?

The algorithm is complex. I will try to re-find the explainations of all 
settings from CIMG library author.

Gilles

>
> Oliver
>
> Oliver wrote:
> >Hi,
> >
> >i'm just translating the blowup photograph handbook and found
> >
> ><guilabel>Detail Preservation</guilabel> p [0, 100]: this controls the
> >preservation of the curvatures (features). A low value forces an equal
> >smoothing across the image, whereas bigger values preferably smooth the
> >homogeneous regions and leaves the details sharper. A value of 0.9 should
> >well preserve details so that no sharpening is required afterwards.
> >
> >The detail preservation allows values from 0 to 5
> >
> >same for anisotropy
> ><guilabel>Anisotropy</guilabel> alpha [0,1]:
> >values from 5 to 100 are aloowed
> >
> ><guilabel>Regularity</guilabel> [0, 10]:
> >values from 0 to 100 are allowed
> >
> ><guilabel>Angular Step</guilabel> da [5, 90]:
> >values from 5 to 100 allowed
> >
> ><guilabel>Integral Step</guilabel> [0, 10]:
> >values from 0.10 to 10 are allowed
> >
> >The values for gaussian are not mentioned at all in the handbook
> >
> >Oliver
> >_______________________________________________
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> >Digikam-devel at kde.org
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>
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