[ITK-users] [ITK] itk::CastImageFilter causes AccessViolationException

Dženan Zukić dzenanz at gmail.com
Thu Jul 28 11:13:30 EDT 2016 

I would focus on the input array now. The cast filter is perhaps accessing
elements past the end of the input array. Try passing a smaller number for
Z size and see whether that solves the crash (access violation).

On Thu, Jul 28, 2016 at 10:24 AM, Andrew Harris <aharr8 at uwo.ca> wrote:

> Thanks all for getting back to me.  I put in a call to update the
> importFilter and upon debugging found that the image variable is getting
> the correct size settings and number of elements (or at least it is the
> same as the importFilter finds).  I tried casting the imageSize to unsigned
> int and got the same numbers throughout, and still had the exception at
> castImage->Update().  Here is the stack trace at the exception:
>
> > BING_Andrew.exe!std::_Transform<unsigned char const *,float
> *,itk::ImageAlgorithm::StaticCast<unsigned char,float> >(unsigned char*
> _First, unsigned char* _Last, float* _Dest,
> itk::ImageAlgorithm::StaticCast<unsigned char,float> _Func) Line 950 + 0x9
> bytes C++
>   BING_Andrew.exe!std::_Transform1<unsigned char const *,float
> *,itk::ImageAlgorithm::StaticCast<unsigned char,float> >(unsigned char*
> _First, unsigned char* _Last, float* _Dest,
> itk::ImageAlgorithm::StaticCast<unsigned char,float> _Func,
> std::random_access_iterator_tag __unnamed004,
> std::random_access_iterator_tag __unnamed005) Line 988 + 0x2b bytes C++
>   BING_Andrew.exe!std::_Transform1<unsigned char const *,float
> *,itk::ImageAlgorithm::StaticCast<unsigned char,float> >(unsigned char*
> _First, unsigned char* _Last, float* _Dest,
> itk::ImageAlgorithm::StaticCast<unsigned char,float> _Func,
> std::integral_constant<bool,0> __unnamed004) Line 1012 + 0x6d bytes C++
>   BING_Andrew.exe!std::transform<unsigned char const *,float
> *,itk::ImageAlgorithm::StaticCast<unsigned char,float> >(unsigned char*
> _First, unsigned char* _Last, float* _Dest,
> itk::ImageAlgorithm::StaticCast<unsigned char,float> _Func) Line 1026 +
> 0x48 bytes C++
>   BING_Andrew.exe!itk::ImageAlgorithm::CopyHelper<unsigned
> char,float>(unsigned char* first, unsigned char* last, float* result) Line
> 213 + 0x14 bytes C++
>   BING_Andrew.exe!itk::ImageAlgorithm::DispatchedCopy<itk::Image<unsigned
> char,3>,itk::Image<float,3> >(itk::Image<unsigned char,3>* inImage,
> itk::Image<float,3>* outImage, itk::ImageRegion<3>& inRegion,
> itk::ImageRegion<3>& outRegion, std::integral_constant<bool,1>
> __unnamed004) Line 136 + 0x12 bytes C++
>   BING_Andrew.exe!itk::ImageAlgorithm::Copy<unsigned
> char,float,3>(itk::Image<unsigned char,3>* inImage, itk::Image<float,3>*
> outImage, itk::ImageRegion<3>& inRegion, itk::ImageRegion<3>& outRegion)
> Line 113 C++
>   BING_Andrew.exe!itk::CastImageFilter<itk::Image<unsigned
> char,3>,itk::Image<float,3> >::ThreadedGenerateData(itk::ImageRegion<3>&
> outputRegionForThread, unsigned int threadId) Line 73 + 0x13 bytes C++
>   [External Code]
>   BING_Andrew.exe!itk::ImageSource<itk::Image<float,3>
> >::ThreaderCallback(void* arg) Line 316 C++
>   BING_Andrew.exe!itk::MultiThreader::SingleMethodProxy(void * arg)  Line
> 437 + 0xe bytes C++
>   msvcr120d.dll!03573651()
>   [Frames below may be incorrect and/or missing, no symbols loaded for
> msvcr120d.dll]
>   msvcr120d.dll!03573861()
>   kernel32.dll!74c738f4()
>   ntdll.dll!776d5de3()
>   ntdll.dll!776d5dae()
>
> I'm attaching this as a txt file also because the formatting looks a
> little weird in my email client, it might be easier to read as plain text.
> One other thing I forgot to mention, the window generated by the exception
> has the following text as well:
> Additional information: Attempted to read or write protected memory. This
> is often an indication that other memory is corrupt.
>
> Thanks again for the help.
>
> --
>
> AH
>
>
>
> -----------------------------------------------------------------------------------------------
>
> *This email and any attachments thereto may contain private,
> confidential, and privileged materials for the sole use of the intended
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> sender immediately and permanently destroy this email and any attachments
> thereto.*
>
> On Thu, Jul 28, 2016 at 9:01 AM, Bradley Lowekamp <brad at lowekamp.net>
> wrote:
>
>> Hello,
>>
>> I noticed you are using type int for you imageSiize. How big is your
>> image? You may be overflowing when computing the number of pixels.
>>
>> I don’t think you have provided a stack trace of when the error occurs.
>> That would be helpful too.
>>
>> Brad
>>
>> On Jul 28, 2016, at 8:29 AM, Dženan Zukić <dzenanz at gmail.com> wrote:
>>
>> Have you tried calling Update on the import filter? That might be the
>> problem. Cast filter is simple and non-special, I doubt it is the problem.
>>
>> On Wed, Jul 27, 2016 at 8:26 PM, Andrew Harris <aharr8 at uwo.ca> wrote:
>>
>>> Thanks Dženan, as I said in my previous email running Update() on the
>>> castFilter pointer returns the same error.  I did put in a try/catch block
>>> to update it though.
>>>
>>> --
>>>
>>> AH
>>>
>>>
>>>
>>> -----------------------------------------------------------------------------------------------
>>>
>>> *This email and any attachments thereto may contain private,
>>> confidential, and privileged materials for the sole use of the intended
>>> recipient. Any reviewing, copying, or distribution of this email (or any
>>> attachments thereto) by other than the intended recipient is strictly
>>> prohibited. If you are not the intended recipient, please contact the
>>> sender immediately and permanently destroy this email and any attachments
>>> thereto.*
>>>
>>> On Wed, Jul 27, 2016 at 5:16 PM, Dženan Zukić <dzenanz at gmail.com> wrote:
>>>
>>>> Hi Andrew,
>>>>
>>>> I think that line 62 of .cpp should be:
>>>> castFilter->Update();
>>>> I don't see the pipeline updated elsewhere.
>>>>
>>>> Regards,
>>>> Dženan
>>>>
>>>> On Wed, Jul 27, 2016 at 3:54 PM, Andrew Harris <aharr8 at uwo.ca> wrote:
>>>>
>>>>> Thanks for getting back to me, after conferring with a colleague I
>>>>> tried using the output of the cast filter directly in the subsequent
>>>>> pipeline rather than writing it to a new image object of the filter's
>>>>> output type. I got the same error doing that, and also got the same error
>>>>> just running Update() on the cast filter, which leads me to believe I'm
>>>>> doing something wrong in setting up the cast filter.  I'm attaching my code
>>>>> for the class I'm writing, hope it's something simple I'm doing wrong.
>>>>> Currently it's throwing the exception at line 85 when the registration
>>>>> transform initializer is activated.
>>>>>
>>>>> --
>>>>>
>>>>> AH
>>>>>
>>>>>
>>>>>
>>>>> -----------------------------------------------------------------------------------------------
>>>>>
>>>>> *This email and any attachments thereto may contain private,
>>>>> confidential, and privileged materials for the sole use of the intended
>>>>> recipient. Any reviewing, copying, or distribution of this email (or any
>>>>> attachments thereto) by other than the intended recipient is strictly
>>>>> prohibited. If you are not the intended recipient, please contact the
>>>>> sender immediately and permanently destroy this email and any attachments
>>>>> thereto.*
>>>>>
>>>>> On Tue, Jul 26, 2016 at 7:09 PM, Bradley Lowekamp <brad at lowekamp.net>
>>>>> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> The most common mistake here would be forgetting to call Allocate on
>>>>>> your image. Beyond that sharing your code would be helpful.
>>>>>>
>>>>>> Brad
>>>>>>
>>>>>> On Jul 26, 2016, at 1:43 PM, Andrew Harris <aharr8 at uwo.ca> wrote:
>>>>>>
>>>>>> Hello,
>>>>>> I am attempting to use the CastImageFilter to convert between
>>>>>> unsigned char and float image types, and am getting a
>>>>>> System.AccessViolationException at runtime.  I have seen reference to this
>>>>>> being caused by referring to a pointer that is out of scope, but in this
>>>>>> case both the image and the cast filter are delcared in the same method, so
>>>>>> I’m not sure how it can be going out of scope.  I can include the header
>>>>>> and definition files if that would be helpful.
>>>>>>
>>>>>> --
>>>>>>
>>>>>> AH
>>>>>>
>>>>>>
>>>>>>
>>>>>> -----------------------------------------------------------------------------------------------
>>>>>>
>>>>>> *This email and any attachments thereto may contain private,
>>>>>> confidential, and privileged materials for the sole use of the intended
>>>>>> recipient. Any reviewing, copying, or distribution of this email (or any
>>>>>> attachments thereto) by other than the intended recipient is strictly
>>>>>> prohibited. If you are not the intended recipient, please contact the
>>>>>> sender immediately and permanently destroy this email and any attachments
>>>>>> thereto.*
>>>>>>
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>>>>>
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