[Insight-users] Compressing Tif files

[Fethallah Benmansour]

Hi Bill,

Thanks again.
Your code works indeed, however the output image is not JPEG compressed as
it should be:

[image: Inline image 1]


Thanks for your help.

--
Fethallah

--
Fethallah


On Fri, Dec 20, 2013 at 5:06 PM, Bill Lorensen <bill.lorensen at gmail.com>wrote:

> Can you try this program:
>
> On Fri, Dec 20, 2013 at 11:03 AM, Fethallah Benmansour
> <fethallah at gmail.com> wrote:
> > 4.4.2
> > Let me know if you need more info, I can also send you my cxx and my
> > CMakelists.txt
> >
> > Thanks,
> >
> > --
> > Fethallah
> >
> > --
> > Fethallah
> >
> >
> > On Fri, Dec 20, 2013 at 4:59 PM, Bill Lorensen <bill.lorensen at gmail.com>
> > wrote:
> >>
> >> What version of ITK are you using?
> >>
> >>
> >> On Fri, Dec 20, 2013 at 10:56 AM, Fethallah Benmansour
> >> <fethallah at gmail.com> wrote:
> >> > Thanks Bill for your prompt reply.
> >> > I'm looking forward to hearing from you.
> >> >
> >> > --
> >> > Fethallah
> >> >
> >> > --
> >> > Fethallah
> >> >
> >> >
> >> > On Fri, Dec 20, 2013 at 4:50 PM, Bill Lorensen <
> bill.lorensen at gmail.com>
> >> > wrote:
> >> >>
> >> >> I do not see any tests that use tiff compression. You may have founds
> >> >> a bug. I'll investigate.
> >> >>
> >> >>
> >> >> On Fri, Dec 20, 2013 at 10:35 AM, Fethallah <fethallah at gmail.com>
> >> >> wrote:
> >> >> > Hi there,
> >> >> >
> >> >> > I would like to compress some relatively large tif files.
> >> >> >
> >> >> > My code looks like:
> >> >> > =================
> >> >> > ReaderType::Pointer reader = ReaderType::New();
> >> >> > reader->SetFileName( argv[1] );
> >> >> > reader->Update();
> >> >> >
> >> >> > WriterType::Pointer writer = WriterType::New();
> >> >> > writer->SetInput( reader->GetOutput() );
> >> >> > writer->SetFileName( argv[2] );
> >> >> > writer->SetUseCompression(true);
> >> >> > typedef  itk::TIFFImageIO TIFFIOType;
> >> >> > TIFFIOType::Pointer tiffIO = TIFFIOType::New();
> >> >> > tiffIO->SetCompressionToJPEG();
> >> >> > writer->SetImageIO(tiffIO);
> >> >> > writer->Update();
> >> >> > =================
> >> >> > when I run
> >> >> > binary.exe Image.tif ImageCompressed.tif
> >> >> >
> >> >> > I'm getting the following exception:
> >> >> > JPEGLib: Bogus input colorspace.
> >> >> > itk::ExceptionObject (000000000012F6E8)
> >> >> > Location: "unknown"
> >> >> > File:
> >> >> >
> >> >> >
> >> >> >
> ..\..\..\..\..\src\InsightToolkit-4.4.2\Modules\IO\TIFF\src\itkTIFFImageIO.cxx
> >> >> > Line: 1946
> >> >> > Description: itk::ERROR: TIFFImageIO(00000000020D4420):
> TIFFImageIO:
> >> >> > error
> >> >> > out of disk space
> >> >> >
> >> >> >
> >> >> > The pixel type of the input images is UCHAR.
> >> >> >
> >> >> > An other question regarding JPG compression in TIF files, assuming
> >> >> > this
> >> >> > works with ITK.
> >> >> > Is there a way to control the compression rate ?
> >> >> >
> >> >> > Thanks into advance for your help.
> >> >> >
> >> >> >
> >> >> > --
> >> >> > Fethallah
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> > --
> >> >> > View this message in context:
> >> >> >
> >> >> >
> http://itk-insight-users.2283740.n2.nabble.com/Compressing-Tif-files-tp7584685.html
> >> >> > Sent from the ITK Insight Users mailing list archive at Nabble.com.
> >> >> > _____________________________________
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> >> >> >
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> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Unpaid intern in BillsBasement at noware dot com
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> Unpaid intern in BillsBasement at noware dot com
> >
> >
>
>
>
> --
> Unpaid intern in BillsBasement at noware dot com
>
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