[Insight-users] Actually implementing a Gabor filter

[Nicholas Tustison]

Can you send me both images?  Let me see if I can reproduce the error.

On Jun 22, 2010, at 6:56 PM, Neal R. Harvey wrote:

> Nicholas Tustison wrote:
>> Can you try the nifti format (*.nii) and see what that does?
>>  
>  I had just tried that, actually.
> 
>   Command: itkGaborImageSourceTest /tmp/testGaborKernel.nii 0
> 
>   No error messages.
> 
>   Command: itkConvolutionImageFilterTest 2 Images/BrainT1SliceBorder20.nii /tmp/testGaborKernel.nii /tmp/testGaborOutput.tif
> 
>   Messages:
> 
> WARNING: In /data0/harve/itk/InsightToolkit-3.18.0/Code/Common/itkImageBase.txx, line 289
> Image (0x8cc6790): Not executing UpdateOutputData due to zero pixel condition RequestedRegion:ImageRegion (0x8cc6874)
> Dimension: 2
> Index: [0, 0]
> Size: [0, 0]
> BufferedRegion: ImageRegion (0x8cc6888)
> Dimension: 2
> Index: [0, 0]
> Size: [256, 256]
> 
>> On Jun 22, 2010, at 12:34 PM, Neal R. Harvey wrote:
>> 
>>  
>>> Nicholas Tustison wrote:
>>>    
>>>> Okay, then, let me ask this---have you actually ran the examples untouched (for both contributions) and ensured that the outputs of the examples can be run on your machine and are correct?
>>>>       
>>> I have built the examples, successfully. I have managed to create a gabor kernel image using the test code from the "go-go Gabor gadgetry" paper.
>>> However, I have not had success in using this gabor kernel image with the test code from the "Image kernel convolution" paper. I was very limited
>>> in the output image type that the test code would let me write the Gabor kernel image. One that the code did allow me to write was a VTKimage.
>>> 
>>> command: itkGaborImageSourceTest /tmp/testGaborKernel.vtk 0
>>> 
>>> No error messages and the file /tmp/testGaborKernel.vtk was successfully written.
>>> 
>>> command: ls -l /tmp/testGaborKernel.vtk
>>> -rw-rw---- 1 harve harve 262476 Jun 22 10:28 /tmp/testGaborKernel.vtk
>>> 
>>> Then, when I use this with the convolution test code, I get the following message:
>>> 
>>> command: itkConvolutionImageFilterTest 2 test0.img /tmp/testGaborKernel.vtk /tmp/testGaborOutput.tif
>>> 
>>> Message:
>>> 
>>> WARNING: In /data0/harve/itk/InsightToolkit-3.18.0/Code/Common/itkImageBase.txx, line 289
>>> Image (0x910ad48): Not executing UpdateOutputData due to zero pixel condition RequestedRegion:ImageRegion (0x910ae2c)
>>> Dimension: 2
>>> Index: [0, 0]
>>> Size: [0, 0]
>>> BufferedRegion: ImageRegion (0x910ae40)
>>> Dimension: 2
>>> Index: [0, 0]
>>> Size: [256, 256]
>>>    
>> 
>>  
>