[Insight-users] Save a Matlab 3D image to work with it in ITK

[Dirk Boye]

Oh i forgot:
In Matlab fwrite(fid,test,'uint8')
will write the image test to the file fid with PixelType uint8 = unsigned
char

Cheers,
Dirk

> Hi Daniela,
>
> within Matlab save the image as a raw image.
> Matlab commands:
> ----------------
> rawFilename=['test.raw'];
> fid=fopen(rawFilename,'w+');
> fwrite(fid,test,'uint8');
> fclose(fid);
>
>
> In ITK you can read in raw files the following way:
> Set the pixeltype according to your US data!
>
> typedef unsigned char                   PixelType;
> typedef itk::Image<PixelType, 3>        ImageType;
> typedef itk::ImageFileReader<ImageType> ReaderType;
> typedef itk::RawImageIO< PixelType, 3 > RawIOType;
>
> ReaderType::Pointer reader = ReaderType::New();
> RawIOType::Pointer rawio = RawIOType::New();
> rawio->SetByteOrderToBigEndian(); //Could be LittleEndian as well,
> depending on your machine
> rawio->SetFileDimensionality(3);
> rawio->SetHeaderSize(0);
> int dimension[3]={{1,1,1}}; // Set your image dimensions here
> double spacing[3]={{0.5,0.5,0.5}}; // Set your spacing here
> for (int i=0;i<3;++i){
>    rawio->SetDimensions(i,dimension[i]);
>    rawio->SetSpacing(i,spacing[i]);
> }
> reader->SetImageIO(rawio);
> reader->SetFileName('test.raw');
> reader->Update();
>
>
>>
>> Hi everyone,
>>
>> I'm trying to work in ITK with a multislice US image pre-processed in
>> Matlab: I'm not able to save that in a useful format to process it with
>> ITK.
>>
>> I know that I can use Matlab routine dicomwrite to save an image as .dcm
>> (and then process it in ITK); unluckily I think that dicomwrite is good
>> only for 2D image and so I don't know how to save my 3D image....
>>
>> Could someone help me?
>>
>>
>>
>> Thanks all
>>
>> Daniela
>>
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>
> _____________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://www.kitware.com/products/protraining.html
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
> Follow this link to subscribe/unsubscribe:
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>