[IGSTK-Developers] Re: PivotCalibration class

[Frank Lindseth]

Ziv, Andinet,

The possibility to read and write calibrations to files is absolutely  
necessary (similar to reading ROM-files),
and it would be very nice if it could be incorporated into the  
current iteration,
however, I'm not sure that the hole TrackerTool object should be  
serialized,
I'm thinking more about a separate calibration file, preferable in  
some kind of tagged xml-format
(for future extensions, but just the calibration matrix for the time  
being), we have experienced that it's very
useful if this file is human readable...

Regards,
Frank



On Dec 19, 2007, at 5:43 PM, Ziv Yaniv wrote:

> Andinet Enquobahrie wrote:
>> Hi Ziv,
>>>
>>> This brings up the question about saving tool calibration. As far  
>>> as I'm aware we never resolved this issue, sort of fell through  
>>> the cracks.
>>> During the discussions (http://public.kitware.com/IGSTKWIKI/ 
>>> index.php/Minutes_062807) we raised the issue that calibration is  
>>> done beforehand. A natural way of saving and loading it back is  
>>> some serialization mechanism on the trackertool side.
>>>
>>> Can you incorporate this type of mechanism into the tracker tool?
>>>
>> In the new API, the tracker tool can take a calibration  
>> transform.  The tracker
>> class composes the calibration transform with the raw tansform for  
>> each tracker tool
>> during the tracking cycle.
>> -Andinet
>
> Hi Andinet,
>
> This wasn't my question. I know that the trackertool deals with the  
> calibration internally.
>
> What I'm requesting is a mechanism to save a tracker tool to disk  
> and load it back from disk (the calibration data should be part of  
> this save/restore mechanism).
>
>                      Ziv
>
>
>
> -- 
> Ziv Yaniv, PhD., Research Assistant Professor
> Imaging Science and Information Systems (ISIS) Center
> Department of Radiology
> Georgetown University Medical Center
> 2115 Wisconsin Avenue, Suite 603
> Washington, DC, 20007,
>
> Phone: +1-202-687-7286
> Fax: +1-202-784-3479
> email: zivy at isis.imac.georgetown.edu
> web: http://isiswiki.georgetown.edu/zivy/
>
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------------------------------
Frank Lindseth
Research Scientist (PhD)

SINTEF Health Research
Dept. Medical Technology
N-7465 Trondheim, Norway
Location: Olav Kyrres gt. 9, 4th floor, Trondheim

E-mail: Frank.Lindseth at sintef.no
Telephone: +47 928 09 372
Telefax: +47 930 70 800


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