Posted by
Rasband, Wayne (NIH/NIMH) [E] on
Aug 03, 2010; 8:11pm
URL: http://imagej.273.s1.nabble.com/Converting-video-stream-in-tif-images-tp3687371p3687373.html
On Aug 3, 2010, at 12:49 PM, Sean Parsons wrote:
> If you are writing a plugin.........
>
> Burger and Burge's Quicktime i/o library
> (
http://staff.fh-hagenberg.at/burger/imagej/MovieIO.html) is good as it allows
> you to read through the movie frame-by-frame. Other libraries/plugins typically
> try to read the whole movie into a stack, which due to memory limits means you
> can only get ~2min. With the B&B library you read in a single frame as a single
> image processor (you can then analyse this), forward through how many frames you
> want to skip, get another frame....and so on.
>
> If your movie format is not quicktime (.mov) there is plenty of software out
> there that does conversion. I use the Leawo video convertor.
The QuickTime Opener plugin (rsbweb.nih.gov/ij/plugins/movie-opener.html), which is preinstalled on Macs as the File>Import>Using QuickTIme command, reads movies frame-by-frame when you check "Use virtual stack" in the dialog box. The File>Import>AVI command, available in all versions of ImageJ, also has a "Use virtual stack" option.
-wayne
>
> Sean Parsons
>
>
>
>
>
> ________________________________
> From: Felipe Franco <
[hidden email]>
> To:
[hidden email]
> Sent: Tue, 3 August, 2010 12:07:52
> Subject: Converting video stream in .tif images
>
> Hey,
> I m working in a windows pc on molecular imaging and we need to measure the
> fluorescence of organs in diferents intervals, not in a specific time.
> I just cannot find any software that is able to take an video stream (
> working in set intervals ) and transforme it in a stack .tif. Do you guys
> have some sugestion? Do you guys think that if i convert my .vob file ( dvd
> video ) in quick time and then into a stack will lose some quality?
> I need to point out that this video has about 1 hour in high quality and I
> intent to take some intervals between 5 and 15 minutes to run my analysis.
> I've tried to use virtualdub but, to open the video files in this software,
> first need to convert in .avi using the software "convert vob to avi " and
> I'm afraid of losing quality. Moreover, I cannot find the function of taking
> several shots in a row of intervals of my interest.
> Thank you and sorry being repetitive..
> Felipe
>
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