# Using VectorConfidenceConnected
**URL:** https://discourse.vtk.org/t/using-vectorconfidenceconnected/3327
**Category:** Support
**Created:** [May 18, 2020, 4:48pm UTC](https://discourse.vtk.org/t/using-vectorconfidenceconnected/3327 "2020-05-18T16:48:28Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@flaviu2](https://discourse.vtk.org/u/flaviu2)
#### Post date: [May 18, 2020, 4:48pm UTC](https://discourse.vtk.org/t/using-vectorconfidenceconnected/3327/1 "2020-05-18T16:48:28Z")
I have tried to use **sitk::VectorConfidenceConnected** with **sitk::Image** retrieved from a _dicom images_:
```
sitk::Image imgTemp(img);
....
....
img = sitk::VectorConfidenceConnected(sitk::Cast(imgTemp, sitk::PixelIDValueEnum::sitkComplexFloat32),
seed, 3, 3, 1, 255);
```
But after I used all kind of **sitk::PixelIDValueEnum** , I got the following error:
`sitk::ERROR: Pixel type: complex of 32-bit float is not supported in 3D byclass itk::simple::VectorConfidenceConnectedImageFilter`
My question is, there any way to use this filter on DICOM images ?
---
### Author:  [@lassoan](https://discourse.vtk.org/u/lassoan)
#### Post date: [May 18, 2020, 5:07pm UTC](https://discourse.vtk.org/t/using-vectorconfidenceconnected/3327/2 "2020-05-18T17:07:38Z")
This is a question for ITK/SimpleITK forum, but to quickly answer here: you need to cast the image to a supported pixel type before passing it to SimpleITK.
---
### Author:  [@flaviu2](https://discourse.vtk.org/u/flaviu2)
#### Post date: [May 19, 2020, 5:24pm UTC](https://discourse.vtk.org/t/using-vectorconfidenceconnected/3327/3 "2020-05-19T17:24:49Z")
Because of my tired, I’ve tangled the forums 🙂 Sorry.