[Insight-users] HessiantoObjectnessMeasureImageFilter

[Matt McCormick]

On Thu, Aug 22, 2013 at 3:23 PM, Kevin H. Hobbs <hobbsk at ohio.edu> wrote:
> On 08/22/2013 10:35 AM, Jesse Ross-Jones wrote:
>> Hi,
>> Thanks for the quick reply.
>> Reading the documentation on the MultiScaleHessian, "The Hessian-based
>> measure is computed from the Hessian image at each scale level and the
>> best response is selected." Does this mean that the final image produced
>> is the result at only one scale producing the best response or a mixture
>> of the results at different scales and each pixel is takes the value
>> from the hessian image giving the best response?
>
> The output images have at each pixel the greatest response and the scale
> that produced it.
>
> I just took a look at :
>
> ITK/Modules/Nonunit/Review/include/itkMultiScaleHessianBasedMeasureImageFilter.hxx
>
> to make sure.
>
> The decision is made in the function UpdateMaximumResponse.
>

Yes, looking at the source code always has the most detailed,
up-to-date explanation :-).

This Insight Journal article for this class (referenced earlier) is
informative, too.

Here is an example:

  http://itk.org/ITKExamples/src/Nonunit/Review/SegmentBloodVesselsWithMultiScaleHessianBasedMeasure/Documentation.html

HTH,
Matt