topic exceptions being thrown with ippiFilterGauss_8u_C1R in Intel® Integrated Performance Primitives

exceptions being thrown with ippiFilterGauss_8u_C1R

nevm — Wed, 08 Feb 2012 03:06:31 GMT

Hi all,

I am having an issue with theippiFilterGauss_8u_C1R function when i'm using it in a multi-threaded environment. The function succeds for most threads however throws an exception in case of some threads.I even tried adding a critical section aroundippiFilterGauss_8u_C1R, but same issue.

As a result of the exception being thrown even the error code isnt updated.Any idea/feedback about this issue?

Thanks

exceptions being thrown with ippiFilterGauss_8u_C1R

Ying_H_Intel — Wed, 08 Feb 2012 07:08:23 GMT

Hi Nevm

It seems unknow problem. Here is http://software.intel.com/en-us/articles/intel-ipp-70-library-bug-fixes/

Could you provide some basic info like what OS, ompiler, what IPP version, how do youcall IPP API and how link IPP? etc.Apiece ofcode or test case will be helpful to debug the problem.

Regards,
Ying

exceptions being thrown with ippiFilterGauss_8u_C1R

nevm — Thu, 09 Feb 2012 18:12:33 GMT

Hi Ying,

So the problem dissappeared when i usedippiCopyReplicateBorder to add border pixels before running ippiFilterGauss on the image. Didnt know that not adding border pixels could cause an issue sometimes.

I am running this code on windows, using IPP 6.0.

Thanks

exceptions being thrown with ippiFilterGauss_8u_C1R

Chao_Y_Intel — Fri, 10 Feb 2012 03:27:23 GMT

It is correct that the image filter function needs to handle the borders. The following article may provide help information on this:

http://software.intel.com/en-us/articles/how-to-use-the-ipp-image-filter-function/

Thanks,
Chao