[Rtk-users] 答复: About CR(Computed Radiography)

[Simon Rit]

Hi,
This page illustrates how to project (or compute radiographs) of a phantom:
http://wiki.openrtk.org/index.php/RTK/Scripts/FDK
Simon

On Sat, Mar 25, 2017 at 3:48 AM, 商 宏杰 <shang_hj at hotmail.com> wrote:

> Thanks Simon and Cyril,
>
> I apoIogize for my confused question. I want to get a Radiofluoroscopic
> image rather than a Tomographic one from a phatom under certain angle. Is
> it possible to achieve this aim using RTK?
>
>
> ------------------------------
> *发件人:* simon.rit at gmail.com <simon.rit at gmail.com> 代表 Simon Rit <
> simon.rit at creatis.insa-lyon.fr>
> *发送时间:* 2017年3月24日 17:33
> *收件人:* Cyril Mory
> *抄送:* 商 宏杰; rtk-users at public.kitware.com
> *主题:* Re: [Rtk-users] About CR(Computed Radiography)
>
> Hi,
> If you mean Digitally Reconstructed Radiograph (DRR), this is what is
> called forward projection in RTK. See e.g.
> http://wiki.openrtk.org/index.php/RTK/Scripts/ForwardProjection
> RTK/Scripts/ForwardProjection - Openrtk
> <http://wiki.openrtk.org/index.php/RTK/Scripts/ForwardProjection>
> wiki.openrtk.org
> Note that the original file is in Hounsfield units which explains the
> negative values in the projection images since, e.g., the attenuation of
> air is -1000 HU.
>
>
> Simon
>
> On Fri, Mar 24, 2017 at 9:54 AM, Cyril Mory <cyril.mory at creatis.insa-lyon.
> fr> wrote:
>
>> Hi Sam,
>>
>>
>> I think you need to ask a more precise question. RTK is primarily a
>> tomography toolkit, but contains some pre-processing methods that might
>> suit your needs.
>>
>> Can you describe what you are trying to do ?
>>
>>
>> Cyril
>>
>> On 24/03/2017 02:31, 商 宏杰 wrote:
>>
>> Hi,
>>
>>    Are there any classes of Computed Radiography in RTK? I do preciate
>> if someone can give me some hints!
>>
>>
>> Sam
>>
>>
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>>
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>
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