http://imagej.273.s1.nabble.com/AVI-Virtual-Stack-1GB-boundery-tp3693422p3693454.html
improving the support in Bio-Formats, as our time allows. Let me know if
> The file I'm analyzing is actually an LVI file (I just renamed it to AVI,
> so
> windows media player would play it). It is generated by a Lumenera infinity
> capture camera. This is probably why my attempts to find an AVI splitter
> that could split it into smaller files failed. But ImageJ appears to read
> the LVI->AVI renamed file just fine up till the 1GB file limit.
>
> If I don't rename the file to AVI, ImageJ will try to open the LVI file
> with
> the LOCI plugins that I've installed. Then it only gets to 4096 frames!
>
> Maybe I should try and write a special reader for the LVI files myself.
>
> Cheers,
> Jesper
>
>
>
> Burger Wilhelm wrote:
> >
> > Jesper,
> >
> > if you can afford to process the video frame by frame (i.e., without
> > loading the entire video at once), I recommend to look at my MovieIO
> > package, to be found here:
> >
> >
http://staff.fh-hagenberg.at/burger/imagej/MovieIO.html> >
> > While processing the video, it only maintains a single ImageProcessor
> > and thus has a very small memory footprint. Examples demonstrate its
> > simple API, it works EITHER with JMF OR Quicktime. I have used it to
> > process long and large (even HD) videos. Hope this helps.
> >
> > Regards,
> > Wilhelm
> >
> >
> >
> >> -----Original Message-----
> >> From: ImageJ Interest Group [mailto:
[hidden email]] On
> >> Behalf Of JesperSP
> >> Sent: Wednesday, November 26, 2008 4:01 PM
> >> To:
[hidden email]
> >> Subject: AVI, Virtual Stack, >1GB boundery?
> >>
> >> Hi everyone,
> >>
> >> I'm trying to analyze some very large AVI movies in ImageJ. I
> >> thought I had
> >> everything covered when I found the "open as virtual stack" function.
> >> However, when I'm trying to open a 1.3GB AVI containing 15495
> >> frames of
> >> 348x256 it stops exactly at frame 11934 (348x256*11934 =
> >> 1063176192 bytes
> >> corresponding to just below 1GB). I have tried to tell the
> >> plugin that I
> >> only want to open frames 11900-15495, both as virtual and
> >> non-virtual stack
> >> and in this case it only opens frames 11900-11934. I managed
> >> to save all the
> >> frames as TIFs in a folder and then I was able to open all a
> >> virtual stack
> >> with all frames using the "Import"->"TIFF virtual stack..."
> >> function. I then
> >> saved the stack as AVI with PNG compression which resulted in
> >> a file of 552
> >> MB. I was able to load the resulting AVI file without any problems in
> >> ImageJ, both as virtual and non-virtual stack.
> >>
> >> My conclusion is that ImageJ (or Java in general?) cannot
> >> access positions
> >> beyond 1GB of files (under windows XP 32Bit).
> >>
> >> I'm going to be analyzing a lot of these very large files
> >> (possibly up to
> >> 14GB) in the future, so I would very much like to find a different
> >> workaround than saving all images as individual tifs or
> >> compressing movies.
> >> Is there a way to read AVI's larger than 1GB in ImageJ? If
> >> it's imposible
> >> under windows XP 32bit, is it then possible if I install a
> >> 64bit operating
> >> system (e.g. UBUNTU 64bit?).
> >>
> >> Suggestions are very welcome ....
> >>
> >> Cheers,
> >> Jesper
> >> --
> >> View this message in context:
> >>
http://n2.nabble.com/AVI%2C-Virtual-Stack%2C-%3E1GB-boundery--> >> tp1581053p1581053.html
> >> Sent from the ImageJ mailing list archive at Nabble.com.
> >>
> >
> >
>
> --
> View this message in context:
>
http://n2.nabble.com/AVI%2C-Virtual-Stack%2C-%3E1GB-boundery--tp1581053p1581915.html> Sent from the ImageJ mailing list archive at Nabble.com.
>