[ITK-users] Reader InvalidRequestedRegionError

[matimont]

Hi,

I'm reading a serie from a directory and I get this:

itk::InvalidRequestedRegionError (0000001D4B9AEDD8)
Location: "unknown"
File: c:\itk-4.12.0\modules\io\imagebase\include\itkImageFileReader.hxx
Line: 350
Description: ImageIO returns IO region that does not fully contain the
requested regionRequested region: ImageRegion (0000001D4B9AEDA0)
Dimension: 3
Index: [0, 0, 0]
Size: [512, 512, 1]
StreamableRegion region: ImageRegion (0000001D4B9AEE00)
Dimension: 3
Index: [0, 0, 0]
Size: [484, 484, 1]

I noticed the images I read have ImageOrientationPatient as:
(0020,0037) ImageOrientationPatient
-0.4181660095794\0.90837062283655\0\0\0\-1

This only patient has failed, all others work

Would this cause the reader to fail?

This is part of the code I use to read the series:

ImageIOType::Pointer gdcmIO = ImageIOType::New();
InputNamesGeneratorType::Pointer inputNames =
InputNamesGeneratorType::New();
inputNames->SetInputDirectory( argv[1] );

const ReaderType::FileNamesContainer & filenames =
inputNames->GetInputFileNames();

ReaderType::Pointer reader = ReaderType::New();

reader->SetImageIO( gdcmIO );
reader->SetFileNames( filenames );
try
{
reader->Update();
}
catch (itk::ExceptionObject &excp)
{
std::cerr << "Exception thrown while reading the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}

Thanks,

Matias.



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[Dženan Zukić]

Hi Matias,

can you check that all images in that series have size 512x512? A possible
cause is if one of the images has size 484x484.

Orientation and region are not connected too much, I doubt that a funky
orientation would cause problems for region.

Regards,
DÅŸenan Zukić, PhD, Senior R&D Engineer, Kitware (Carrboro, N.C.)

Post by matimont
Hi,
itk::InvalidRequestedRegionError (0000001D4B9AEDD8)
Location: "unknown"
File: c:\itk-4.12.0\modules\io\imagebase\include\itkImageFileReader.hxx
Line: 350
Description: ImageIO returns IO region that does not fully contain the
requested regionRequested region: ImageRegion (0000001D4B9AEDA0)
Dimension: 3
Index: [0, 0, 0]
Size: [512, 512, 1]
StreamableRegion region: ImageRegion (0000001D4B9AEE00)
Dimension: 3
Index: [0, 0, 0]
Size: [484, 484, 1]
(0020,0037) ImageOrientationPatient
-0.4181660095794\0.90837062283655\0\0\0\-1
This only patient has failed, all others work
Would this cause the reader to fail?
ImageIOType::Pointer gdcmIO = ImageIOType::New();
InputNamesGeneratorType::Pointer inputNames =
InputNamesGeneratorType::New();
inputNames->SetInputDirectory( argv[1] );
const ReaderType::FileNamesContainer & filenames =
inputNames->GetInputFileNames();
ReaderType::Pointer reader = ReaderType::New();
reader->SetImageIO( gdcmIO );
reader->SetFileNames( filenames );
try
{
reader->Update();
}
catch (itk::ExceptionObject &excp)
{
std::cerr << "Exception thrown while reading the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
Thanks,
Matias.
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http://www.itk.org/Wiki/ITK_FAQ
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[matimont]

That was actually the issue, there was an image in the series that was not
supposed to be there, thank you for your suggestions, it saved me time!
Matias.



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