[Insight-users] error on opening image

[Jian XIE]

Thanks for all the help!  it's becasue my xv needs a patch for JPEG
version 6 library.

cheers :-)
Jian

On Wed, 11 Aug 2004, Luis Ibanez wrote:

>
> Hi Jian,
>
> The Example
>
>     Insight/Examples/IO/
>                 ImageReadWrite.cxx
>
> writes your image using 16bits/pixel.
>
> It maybe that your version of XV is not capable
> of reading 16bits JPEG images.
>
> You can simply modify the example, by going to
> line #87 and replacing
>
>        typedef unsigned short   PixelType;
>
> with
>
>        typedef unsigned char   PixelType;
>
>
> then recompiling and running the example.
>
>
> Please let us know if this works for you.
>
>
>    Thanks
>
>
>
>      Luis
>
>
> ---------------------------------------
> Jian XIE wrote:
> > The file I manipulated is in JPEG format, initially I can use xv to view
> > the image. After some process ( I actually use the example code without
> > modification, using the ITK ImageFileWriter, the image is just a normal 2
> > D JPEG image. the example codes i execute is located at
> > Examples/IO/ImageReadWrite.cxx) my xv cant open the output file which is
> > alo in JPEG format.
> > It says "Unsupport JPEG process: SOF type OXc2"
> > I guess maybe it's my xv configuration problem??? since other programs
> > like gimp or photoshop can open the output file without any problem.
> >
> > Thanks for any help!!
> > Jian
> >
> > On Wed, 11 Aug 2004, Atwood, Robert C wrote:
> >
> >
> >>what format of image file are you saving? If it is png, perhaps you have
> >>an xv without png support? That is a patch to the original xv source and
> >>the version number will appear as xv3.10a(PNG) It is also possible to
> >>compile xv with various other formats turned on or off, if you have
> >>obtained a binary it may not be entirely clear to you what is included.
> >>The source and the png patch may be found at the official xv page at the
> >>web site below and you can compile your own and ensure that it supports
> >>as many formats as are available. As Luis said 'Isn't open source great?
> >>:-) '
> >>
> >>
> >> http://www.trilon.com/xv/
> >>
> >> according to the terms, you have to buy a license to actually use xv in
> >>your work, a bargain at $25 . There is also another viewer I like called
> >>qiv (quick viewer) , which is licensed under gpl
> >>
> >>http://www.klografx.net/qiv/index2.html
> >>
> >>
> >>If it is not the viewer/format problem then ?? someone else better
> >>advise  .. but you should post more information about the images or they
> >>won't have enough to go on. like, exactly what error , exactly the name
> >>of the file you save, dimensions and datatype of the image , exactly
> >>which ITK writer for output and how it is instantiated ?
> >>
> >>
> >>Robert
> >>
> >>
> >>-----Original Message-----
> >>From: insight-users-bounces at itk.org
> >>[mailto:insight-users-bounces at itk.org] On Behalf Of Jian XIE
> >>Sent: 11 August 2004 05:06
> >>To: insight-users at itk.org
> >>Subject: [Insight-users] error on opening image
> >>
> >>
> >>Dear ITK buddies, I'm just wondering is anyone know why I cant use xv to
> >>view the image after the image been processed by my image filter written
> >>using ITK. This happen to all the example codes as well. but when using
> >>application such as gimp, it's totally alright.
> >>
> >>thanks all
> >>Jian
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> >>_______________________________________________
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> >>
> >
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> >
>
>
>
>