[ITK-users] Conversion of itk::Image to other formats

[Lambert Zijp]

Hi Scapegoat,
Thank you for responding. What would the function prototype then be (of
function that accepts any itk image. I mean, the syntax, preferably not
templated)?
Because I deal mostly with 3D or 4D signed short pixels (medical images), I
keep them as they are: half the memory consumption and easier histogram
computations.

Greetings,
Lambert

On Thu, Mar 10, 2016 at 4:35 PM, Scapegoat Sarthak <
scapegoat.sarthak at gmail.com> wrote:

> I would advice you to perform a check on the image dimensions (2 or 3) and
> keep the pixel type as float throughout. In any case you will be doing
> computation so the extra memory is going to be helpful.
>
>
> On 10 March 2016 at 10:28, Matt McCormick <matt.mccormick at kitware.com>
> wrote:
>
>> Hi Lambert,
>>
>> This example shows how to read in an unknown image type. It
>> demonstrates how to go between run-time type specification and the
>> compile-image type specification of ITK.
>>
>>
>> http://itk.org/ITKExamples/src/IO/ImageBase/ReadUnknownImageType/Documentation.html
>>
>> This approach could be used for your problem.
>>
>> HTH,
>> Matt
>>
>> On Thu, Mar 10, 2016 at 9:56 AM, Lambert Zijp <ljzijp at gmail.com> wrote:
>> > Dear itk users,
>> > I'm new to itk and also not very proficient in C++...
>> > I want to try some deformable registration methods implemented in itk,
>> and
>> > need to convert my own format of images and volumes to itk, and back.
>> > For conversion to itk, I use 'ImportImageFilter', because I do not want
>> to
>> > make a copy of the pixels/voxels.
>> > Converting itk images and volumes back to my own format, is giving me a
>> > headache; I'm confused about 'Image', SmartPointer and ConstPointer and
>> > template stuff.
>> > Could you get me started by suggesting me a function prototype?
>> >
>> > Something like:
>> > int ItkToMyFormat(MyFormat** ppMyFormat, itk::Image* pItkImage);
>> >
>> > The ItkImage can be any pixeltype, any dimension, and vector images
>> should
>> > also be accepted by the conversion routine. In that conversion
>> function, and
>> > need to be able to put a switch on pixeltype and number of dimensions.
>> >
>> > Greetings,
>> > Lambert
>> >
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