[Insight-users] Unhandled exception after changing multi-resolution level during registration

[Luis Ibanez]

Hi Fucang,

It looks like the access to your image pyramid is
being inconsistent.

What are the decimation scale factors that you
are passing for constructing each level of
the pyramid ?

The image at the top level of the pyramid should
have a minimum size. (e.g. about 10 x 10 pixels).


    Luis


--------------------------
Fucang Jia wrote:
> Hi everyone, hi Luis,
> 
> Thanks a lot to ITK developers. Dealing with more than 8,000 cryogenic 
> serially sections is not so difficult. I use the program 
> Examples/Registration/MultiResImageRegistration1 to register two images. 
> Because the image size is 1272 x 980, I changed the multi-resolution 
> level to 4. But the program throw a exception after output:
> 
> 0   -1.92617   [15.6062, 3.52789]
> 1   -1.77321   [9.70571, -1.87433]
> 2   -1.93504   [9.85907, 2.12273]
> 
> which says "Unhandled exceptionin MultiResImageRegistration1.exe: 
> 0xC0000005: Access Vilation"
> When debugging, debugger says exception occur at line 260 in 
> Insight/Code/Commn/itkImageConstIterator.h:
> { return m_PixelAccessor.Get(*(m_Buffer+m_Offset)); }
> 
> I also change the mutli-resolution to 5, 6, but the exception exists as 
> same. But the program is normal when multi-resolution level is 3. And 
> the program can deal with the brainweb images (examples in the user 
> guide) with different level 3,4,5,6 perfectly.
> 
> So I am confused that what is wrong. Thanks for any prompt.
> 
> Fucang
> 
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