[Insight-users] Actually implementing a Gabor filter

[Neal R. Harvey]

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]
>>     
>
>