[ITK-users] [ITK] itk::CastImageFilter causes AccessViolationException
Andrew Harris
aharr8 at uwo.ca
Thu Jul 28 12:59:13 EDT 2016
Thanks all for the help, I wrote a for loop to do the same task and got the
same error, and upon investigating it turns out the program I am building
upon was passing the incorrect dimensions for the image buffer. Turns out
this is a PEBKAC error.
--
AH
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On Thu, Jul 28, 2016 at 11:13 AM, Dženan Zukić <dzenanz at gmail.com> wrote:
> 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
>> 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 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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