[ITK] [ITK-users] How to Calculate Hessian Matrix from Gradient Image?

Siddharth Vikal siddharthvikal at gmail.com
Fri Oct 2 10:41:19 EDT 2015


Just thinking out aloud, wouldn't it be ok to get a Jacobian of the GVF
image? And then do an eigen value decomposition on the Jacobian rather than
the Hessian. Jacobian matrix isn't symmetric though.

Cheers,
Sid

On Fri, Oct 2, 2015 at 3:15 PM, Matheus Viana <vianamp at gmail.com> wrote:

> You can check my solution here:
>
> https://github.com/vianamp/MitoGraph
>
> The piece of code you want to look at is the function:
> GetHessianEigenvaluesDiscrete
>
>
> *Matheus Viana*
> *Postdoctoral Research Employee*
> *Developmental and Cell Biology*
> *University of California Irvine*
>
>
>
> 2015-10-02 4:05 GMT-03:00 Jakob Weiss <weissj at in.tum.de>:
>
>> Hello!
>>
>> Did you end up finding a solution for this problem? In order to evaluate
>> the
>> GVF approach to Vesselness I am looking for the exact same solution...
>>
>> Cheers,
>> J
>>
>>
>>
>> --
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>> Sent from the ITK - Users mailing list archive at Nabble.com.
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