[Insight-users] Compressing Tif files

[Bill Lorensen]

This is strange. The compression works for me.

I will eventually add the quality parameter. But I need to resolve the
compression issue first.



On Mon, Dec 23, 2013 at 4:30 AM, Fethallah Benmansour
<fethallah at gmail.com>wrote:

> Hi Bill,
>
> I hope you had a great weekend.
> I followed the modification you suggested (and rebuild ITK of course).
> Unfortunately, the output images are still uncompressed.
>
> In addition, close to the line you mentioned, I can see:
>
> TIFFSetField(tif, TIFFTAG_JPEGQUALITY, 75); // Parameter
>
> Could you please add that as a parameter of itkTIFFImageIO in you gerrit
> patch ?
>
> Kind regards,
>
> --
> Fethallah
>
>
>
> On Fri, Dec 20, 2013 at 5:52 PM, Bill Lorensen <bill.lorensen at gmail.com>wrote:
>
>> 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
>>
>
>


-- 
Unpaid intern in BillsBasement at noware dot com
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