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Project Fiji
Source on GitHub
License GPLv3
Release 1.29.3
Date Sat Apr 29 22:44:01 CDT 2017
Development status Stable
Support status None
Founders Jean-Yves Tinevez, Michael Abràmoff
Leads Jean-Yves Tinevez
Developers -
Debuggers -
Reviewers -
Support -
Maintainers Jean-Yves Tinevez, Curtis Rueden
Contributors Michael Abràmoff, Johannes Schindelin, Mark Hiner

FlowJ is a plugin that implements the main gradient-based optical flow techniques, such as Lucas and Kanade, Uras, Fleet and Jepson and Singh algorithms.


Please refer to the author webpage for all information on how to use this plugin, as well as references.


Since FlowJ is maintained inside Fiji, the following changes have been made:

  • When you compute all flow fields and then display them, the "Display static background" box is now properly handled (noticed by Christina Eugster).
  • There is a "Display magnitude" button now to get the magnitudes of the flow vectors (i.e. the local "speed" in pixels per frame).

Menu path

Analyze  › Optic Flow  › FlowJ