[vtkusers] binary image format

Dženan Zukić dzenanz at gmail.com
Fri Mar 23 03:34:15 EDT 2012


setShift(0)
setScale(255)

2012/3/23 oka <oka at bpe.es.osaka-u.ac.jp>

> Dear Zukic,
>
> Thank you for your reply.
> I think shiftscale will shift the pixel value
> for example,  100 to 200 by SetShift(100).
> Greyscale image has 0 and 1 values
> and I want to change 1 to 255 remaining
> 0 unchanged.
> I am not sure how to treat such greyscale
> image file.
>
> Best regards,
>
> Oka
>
> > I guess you need to normalize image values then.
> > http://www.vtk.org/Wiki/VTK/Examples/Images/ImageShiftScale
> >
> > On Thu, Mar 22, 2012 at 11:57, oka <oka at bpe.es.osaka-u.ac.jp> wrote:
> >
> > > Dear vtk users,
> > >
> > > How can I read binary image format file ?
> > > I use MetaIO file, mhd and raw files.
> > > How can I describe mhd header for binary image format file
> > > (0-1 values only) ?  If 0 and 255 are used
> > > for unsigned char type, it is all right, but 0-1
> > > image shows a only black image.
> > >
> > > Best regards,
> > >
> > > Oka
> > > --
> > > oka <oka at bpe.es.osaka-u.ac.jp>
> > >
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>
> --
> oka <oka at bpe.es.osaka-u.ac.jp>
>
>
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