[ITK-users] ITK registration

[Dženan Zukić]

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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