[ITK Community] [Insight-users] Compressing Tif files

[Bill Lorensen]

I found the first problem. I will submit a gerrit patch when I resolve the
other issues and make a test.

Try this. In itkTIFFImageIO.cxx delete  line 1847 which contains:
      photometric = PHOTOMETRIC_YCBCR;

Let me know if your data compresses.


On Fri, Dec 20, 2013 at 11:24 AM, Bill Lorensen <bill.lorensen at gmail.com>wrote:

> Ok, I can reproduce the error with my sample code. I have to add
> writer->UseCompressionOn().
>
> I think that also points out an error…
>
> Now I can debug.
>
>
> On Fri, Dec 20, 2013 at 11:17 AM, Fethallah Benmansour <
> fethallah at gmail.com> wrote:
>
>> 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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>>> >> >>
>>> >> >> --
>>> >> >> Unpaid intern in BillsBasement at noware dot com
>>> >> >
>>> >> >
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> Unpaid intern in BillsBasement at noware dot com
>>> >
>>> >
>>>
>>>
>>>
>>> --
>>> 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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