[Insight-users] Re: Insight-users digest, Vol 1 #1001 - 11 msgs

[Lydia Ng]

Hi Adolfo,

You can either use the RescaleIntensityImageFilter before writing out =
the PNG
- set the output pixel type to be unsigned char, and min to be zero, and =
max
to 255.

Or you can use a file format that supports float such as Meta (*.mhd, =
*.mha)
or Analyze (*.hdr, *.img, *.img.gz).

- Lydia=20

> -----Original Message-----
> From: Adolfo Gonz=E1lez Uz=E1bal [mailto:fito at unizar . es]
> Sent: Friday, November 21, 2003 1:58 AM
> To: insight-users at itk . org
> Subject: [Insight-users] Re: Insight-users digest, Vol 1 #1001 - 11 =
msgs
>=20
> Hi all again!
>=20
> I think my problem with multiresolution is quite similar to Mr.Fucang =
one.
> If I've understood, the solution is having a float as pixel type.
>=20
> >> Subject: RE: [Insight-users] Why MultiResolutionPyramidImageFilter
> >> does not produce right image?
> >> Date: Wed, 19 Nov 2003 09:25:54 -0800
> >> Hi Fucang,
> >>
> >> I think the filter requires the output pixel type to be floating
> >> point. Could you try it out as an experiment?
> >>
> >> - Lydia
>=20
> But if trying to write a .png from the output of the multiresolution I =
get
> the
> following:
>=20
> itk::ExceptionObject (00E6F964)
> Location: "Unknown"
> File: D:\InsightToolkit-1.4.0\Code\IO\itkPNGImageIO.cxx
> Line: 502
> Description: itk::ERROR: PNGImageIO(0028A870): PNG supports unsigned =
char
> and un
> signed short
>=20
> Is the solution using also a different format for writing the output?
>=20
> I'll keep on searching. Best wishes!
> Adolfo G.U.
>=20
>=20
>=20
>=20
>=20
>=20
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