Thursday, February 9, 2017

Import Image Series




After converting your video in a series of image with ffmpeg [Link], the second step is to import them in ImageJ thanks to the command File > Import > Image Sequence...




Fig.1: Dialog window of the File > Import > Image Sequence...

 

In ImageJ, go to File > Import > Image Sequence...

Click on the first frame (or any frame in the directory, it doesn't matter).

Then, a dialog box appears with several options:
  • to load a given range of frames with Starting Image and Number of Images.
  • to skip some images (Increment, by default, 1).
  • to reduce the output image/stack size (Scale images, by default, 100%)
  • The last option is the Virtual Stack. In this case, the stack isn't really loaded in the memory of ImageJ and you aren't limited by your computer memory to watch the video. However, keep in mind that once you apply an ImageJ function, the system memory really loads the video and an "Out of Memory" alert can stopped your processing.


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3. Other crazybiocomputing posts

Further readings are available in ...
  • Video Series  [Link]
  • Image Processing TOC [Link]

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