[Insight-users] Re: format conversion

Stephen R. Aylward aylward at unc.edu
Sun Apr 24 12:13:04 EDT 2005


Hi Amadeus,

Thanks for the tip.

I've added this to the ITK file format wiki:
http://www.itk.org/Wiki/ITK_File_Formats

Are you willing to contribute your modifications to 
ImageSeriesReadWrite, if they are cross-platform?

Thanks,
Stephen

Amadeus wrote:
> Thanks for the answer. I also found the solution, which I'll post, in case
> other people might benefit from it. 
> 
> I work exclusively in Linux and one can use mplayer - the mother of all
> multimedia tools - to dump each frame in a movie clip. MPlayer understands
> just about any format under the sun and can use just about any codec as
> well. E.g. to dump each frame in an avi clip to a separate png image
> 
> mplayer -vo png movie.avi
> 
> To see to what other formats one can output the frames to, 
> 
> mplayer -vo help
> 
> 
> Then, the frames dumped by mplayer can be put together into a volume
> using ImageSeriesReadWrite in InsightToolkit-2.0.0/Examples/IO/.
> 
> Of course, in Linux and other unixes the shell understands wildcards, 
> so with minor changes, it ImageSeriesReadWrite can be modified to work
> like this:
> 
> ImageSeriesReadWrite frame*.png output.mha   # or e.g. output.mhd
> 
> The input frames need not have the names that the original
> ImageSeriesReadWrite expects. 
> 
> 
> 
> On Sat, 23 Apr 2005 18:00:26 -0400, Luis Ibanez wrote:
> 
> 
>>Hi Amadeus,
>>
>>
>>You could use ImageJ in order to read a QuickTime movie
>>and treat it as a stack of 2D images:
>>
>>
>>           http://rsb.info.nih.gov/ij/
>>
>>
>>It needs the following plugin:
>>
>>http://rsb.info.nih.gov/ij/plugins/movie-opener.html
>>
>>
>>ITK will handle series of 2D files in formats:
>>
>>         PNG, or JPG,  or TIFF, or BMP.
>>
>>For a full list of ITK supported fileformats please
>>look at the FAQ
>>
>>http://www.itk.org/Wiki/ITK_FAQ#What_3D_file_formats_can_ITK_import_and_export.3F
>>
>>For code examples on how to read series of 2D images,
>>please look at the directory:
>>
>>
>>           Insight/Examples/IO
>>
>>
>>
>>Regards,
>>
>>
>>     Luis
>>
>>
>>----------------
>>Amadeus wrote:
>>
>>
>>>[quoted text muted]
> 
> 
> 
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-- 
===========================================================
Dr. Stephen R. Aylward
Associate Professor of Radiology
Adjunct Associate Professor of Computer Science and Surgery
http://caddlab.rad.unc.edu
aylward at unc.edu
(919) 966-9695


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