[Insight-users] Volume Calculation for Binary Images

[Xiaopeng Yang]

Hi Liang,

Thanks for your help. Your idea works I think. As far as I know, for counting the number of pixels the GetSum() of itkStatisticsImageFilter can be used.

Do you have any idea how to use it in programming? Here is my code, which I think is not correct:

typedef itk::StatisticsImageFilter<OutputImageType> StatisticsImageFilterType;
StatisticsImageFilterType::Pointer nrOfVoxelsInMask = StatisticsImageFilterType::New();

nrOfVoxelsInMask = reader ->GetOutput()->GetSum();

-----邮件原件-----
发件人: insight-users-bounces at itk.org [mailto:insight-users-bounces at itk.org] 代表 Xi Liang
发送时间: 2010년 12월 17일 금요일 오후 3:16
收件人: insight-users at itk.org
主题: Re: [Insight-users] Volume Calculation for Binary Images


Volume = numberOfPositivePixels * spacing



Xiaopeng Yang wrote:
> 
> Dear Users,
> 
>  
> 
> After segmenting some organ from CT images, I get a volume binary image
> for
> that organ. Could you please tell me how to calculate the volume of that
> organ?
> 
>  
> 
> Thanks,
> 
> Xiaopeng
> 
> 
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