[ITK] [ITK-users] ITK registration

[Dženan Zukić]

You can add translation to (or subtract from) image origin
<https://itk.org/Doxygen/html/classitk_1_1ImageBase.html>. And that should
be it. No registration needed. This example
<https://itk.org/Doxygen/html/Examples_2DataRepresentation_2Image_2Image4_8cxx-example.html>
might be of some use.

Regards,
Dženan

On Fri, Mar 16, 2018 at 5:09 PM, Shrabani Ghosh <srbn.ghosh99 at gmail.com>
wrote:

> Yes. I have the translation information. how to adjust with the
> translation information ?
>
> On Fri, Mar 16, 2018 at 4:52 PM, Dženan Zukić <dzenanz at gmail.com> wrote:
>
>> You need to know the relationship between reference frames of the images
>> (e.g. translation, rotation etc) in order to adjust one image to the other.
>> And you seem to be missing that information.
>>
>> On Fri, Mar 16, 2018 at 4:37 PM, Shrabani Ghosh <srbn.ghosh99 at gmail.com>
>> wrote:
>>
>>> Now I am trying to do with extracting a 2D slice from 3D image  and
>>> register with the segmented image. I need to register it because after the
>>> registration I will label on ct image with registered image.
>>>  How to adjust reference frames if i want to do it?
>>>
>>> On Fri, Mar 16, 2018 at 4:12 PM, Dženan Zukić <dzenanz at gmail.com> wrote:
>>>
>>>> Hi Shrabani,
>>>>
>>>> I can't shake the feeling that you are trying to do something
>>>> unnecessary. You should not need to register an image with a segmentation!
>>>> You might only need to adjust reference frames if they are different.
>>>> Moreover, you are trying to register a 3D image with a 2D registration. I
>>>> fail to see the point of that - that's why I misunderstood your initial
>>>> question. Can you post your question to the forum
>>>> <https://discourse.itk.org/>, and give a more detailed description of
>>>> the problem and its background? Most importantly: why do you need to do it?
>>>>
>>>> Regards,
>>>> Dženan
>>>>
>>>> On Fri, Mar 16, 2018 at 3:04 PM, Shrabani Ghosh <srbn.ghosh99 at gmail.com
>>>> > wrote:
>>>>
>>>>> But when I am trying to register, I cannot do it. I dont is it the
>>>>> reason of the size difference? the left image is 512x546 and the right
>>>>> image is 105x37.
>>>>>
>>>>> On Fri, Mar 9, 2018 at 12:15 PM, Shrabani Ghosh <
>>>>> srbn.ghosh99 at gmail.com> wrote:
>>>>>
>>>>>> does the registration creates problem if the file sizes are so diff?
>>>>>> LIke in my case the two files are these. I want to register the right( red
>>>>>> )image on a specific location of the left image.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Mar 9, 2018 at 9:16 AM, Dženan Zukić <dzenanz at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Shrabani,
>>>>>>>
>>>>>>> if I understand correctly, you need to extract a specific slice from
>>>>>>> a 3D image and then do classic 2D registration using that slice?
>>>>>>>
>>>>>>> Extract
>>>>>>> <https://itk.org/Doxygen/html/classitk_1_1ExtractImageFilter.html>
>>>>>>> filter's documentation. Extract example
>>>>>>> <https://itk.org/ITKSoftwareGuide/html/Book2/ITKSoftwareGuide-Book2ch1.html#x7-130001.7>.
>>>>>>> 2D registration example
>>>>>>> <https://itk.org/ITKExamples/src/Registration/Common/Perform2DTranslationRegistrationWithMeanSquares/Documentation.html>
>>>>>>> .
>>>>>>>
>>>>>>> You should post further question on the forum
>>>>>>> <https://discourse.itk.org/>, to which this mailing list has
>>>>>>> transitioned.
>>>>>>>
>>>>>>> Regards,
>>>>>>> Dženan
>>>>>>>
>>>>>>> On Thu, Mar 8, 2018 at 4:44 PM, Shrabani Ghosh <
>>>>>>> srbn.ghosh99 at gmail.com> wrote:
>>>>>>>
>>>>>>>> I have a 3D image volume. And I have 2d segmented image . I need to
>>>>>>>> do the
>>>>>>>> registration using 3d image specific slice and 2d segmented image.
>>>>>>>> Any
>>>>>>>> registration example does that?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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