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  • Associate Professor
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  • PhD Student
  • Physician
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  • Research Associate
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  • Technician
  • Undergraduate Student
  • Veterinary
  • Visiting Scientist
  • Deputy Director of Center
  • Deputy Director of Department
  • Deputy Director of National Reference Center
  • Director of Center
  • Director of Department
  • Director of Institute
  • Director of National Reference Center
  • Group Leader
  • Head of Facility
  • Head of Structure
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Ending Date
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Jan 2017
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About

TrackMate

TrackMate is your buddy for your everyday tracking.

 

TrackMate provides the tools to perform single particle tracking (SPT). SPT is an image analysis challenge where the goal is to segment and follow over time some labelled, spot-like structures. Each spot is segmented in multiple frames and its trajectory is reconstructed by assigning it an identity over these frames, in the shape of a track. These tracks can then be either visualized or yield further analysis results such as velocity, total displacement, diffusion characteristics, division events, etc…

TrackMate can deal with single particles, or spot-like objects. They are bright objects over a dark background for which the object contour shape is not important, but for which the main information can be extracted from the X,Y,Z coordinates over time. Examples include sub-resolution fluorescent spots, labelled traffic vesicles, nuclei or cells imaged at low resolution.

Though these objects are solely represented by a X,Y,Z,T coordinates array, TrackMate can compute numerical features for each spot, given its coordinates and a radius. For instance, the mean, max, min and median intensity will be computed, as well as the estimated radius and orientation for each spot, allowing to follow how these feature evolves over time for one object.

TrackMate goals

For users

TrackMate aims at offering a generic solution that works out of the box, through a simple and sensible user interface.

The tracking process is divided in a series of steps, through which you will be guided thanks to a wizard-like GUI. It privileges tracking schemes where the segmentation step is decoupled from the particle-linking step.

The segmentation / filtering / particle-linking processes and results are visualized immediately in 2D or 3D, allowing to judge their efficiency and adjust their control parameters. The visualization tools are the one shipped with Fiji and interact nicely with others plugin.

Several automated segmentation and linking algorithms are provided. But you are also offered to edit the results manually, or even to completely skip the automatic steps, and perform fully manual segmentation and/or linking.

Some tools for track and spot analysis are included. Various plots can be made directly from the plugin and for instance used to derive numerical results from the tracks. If they are not enough, functions are provided to export the whole results to other analysis software such as MATLAB.

TrackMate relies on several different libraries and plugins for data manipulation, analysis and visualization. This can be a pitfall when distributing a complex plugin, but this is where the Fiji magic comes into play. All dependencies are dealt with by through the Fiji updater. Installing TrackMate is easy as calling the Fiji Updater, and the plugin must work out of the box. If this does not work for you, then it is a bug and we commit to fix it.

A strong emphasis is made on performance, and TrackMate will take advantage of multi-cores hardware.

For developers

Have you ever wanted to develop your own segmentation and/or particle-linking algorithm, but wanted to avoid the painful burden to also write a GUI, several visualization tools, analysis tools and exporting facilities? Then TrackMate is for you.

We spent a considerable amount of time making TrackMate extensible in every aspect. It has a very modular design, that makes it easy to extend. You can for instance develop your own segmentation algorithm, extend TrackMate to include it, and benefit from the visualization tools and the GUI already there. Here is a list of the components you can extend and customize:

  • detection algorithms
  • particle-linking algorithms
  • numerical features for spots (such as mean intensity, etc..)
  • numerical features for links (such as velocity, orientation, etc..)
  • numerical features for tracks (total displacement, length, etc…)
  • visualization tools
  • post-processing actions (exporting, data massaging, etc…)

You can even modify the GUI, and remove, edit or insert new steps in the wizard. This can be useful for instance if you want to implement a tracking scheme that solves simultaneously the segmentation part and the particle linking part, but still want to take advantage of TrackMate components.

Do you want to make your new algorithms usable by the reviewers of your submitted paper? Upload your extended version of TrackMate to a private update site, as explained here, then send the link to the reviewers. Now that the paper has been accepted (congratulations), you want to make it accessible to anyone? Just put the link to the update site in the article. All of this can happen without us even noticing.

TrackMate was developed to serve as a tool for Life-Science image analysis community, so that new tracking tools can be developed more easily and quickly, and so that end-users can use them to perform their own research. We will support you if need help to reuse it.

Who uses TrackMate?

Google scholar search.

References