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Re: MPEG to FITS CUBE
| Re: MPEG to FITS CUBE [message #53851] |
Sat, 05 May 2007 13:42 |
Bringfried Stecklum
Messages: 75
Registered: January 1996
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Hi Doug,
to my knowledge IDL does not provide direct support for reading MPEG.
However, there is some code around which provides this functionality, e.g.
http://www.tasc-infm.it/research/xstm/staff/heun/idl/pro_hel p.html#READ_MPEG
This is just a wrapper which calls external software to convert the
movie into a sequences of still images. I would do it using mplayer
which also offers jpeg as output format.
mplayer -vo jpeg hhh.avi
will generate still images which can be read with read_jpeg. For gray
scale images it is fairly easy to stack them into a FITS data cube. In
case of RGB frames one has to think of how to interleave them.
Perhaps you can be a bit more specific why do you want to do this
conversion?
with kind regards,
Bringfried
currie@umd.edu wrote:
> Do you know how I might convert an mpeg file (a video recording) into
> an fits cube?
> I have found many discussions on the reverse (IDL to mpeg) but none on
> mpeg to IDL/fits.
>
> Thanks
>
> Doug
>
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