[Vv] Usage of Window/Level, and fusion of different modality, say, MRI, US?

[qi tian]

Hi, Vivien

Thanks, I followed your steps, now I can view both images in
the overlay mode. After going through the process now I
can understand the F1 navigation help page, :-)

Tian



On Tue, Oct 8, 2013 at 4:09 PM, Vivien Delmon <
vivien.delmon at creatis.insa-lyon.fr> wrote:

> On 10/08/2013 09:08 AM, qi tian wrote:
>
>> Hi
>>
>> Anyone has used vv to fuse two images of different modalities?
>> I am trying to fuse MRI and US images, because the voxel
>> intensity range are rather different: MRI image voxel intensity
>> can be as high as 1000 while US is less than 100.
>>
>> When I load US as overlay, it is too dark to see, wonder if
>> I need to normalize intensities of two images before
>> using vv to fuse? Or is it possible to use two window/level
>> setups for MRI and US individually.
>>
>
> Hi Tian,
>
> You can use the overlay functionality, then:
> - go in the overlay tab
> - uncheck the window/level link box (that link the window/level of both
> images)
> - set the window level of the overlay manually or use ctrl+w which will
> try to find the best window/level for the overlay using a little part of
> the image under your mouse.
>
> Most of these functionalities are listed if you press F1
>
> --
> Vivien Delmon
> PhD student at CREATIS, Lyon
> Supported by ANRT and ELEKTA
> http://www.creatis.insa-lyon.**fr/rio<http://www.creatis.insa-lyon.fr/rio>
>
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