Support 3D segmentation with TrackMate-Ilastik. #3
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We do not recompute probabilities when the frame and the ROI do not change. It saves a lot of time when adjusting the probability threshold, because ilastik takes a lot of time to launch everytime. Here we used the same strategy that for the Weka detector: we simply store the last probability map and check whether we need to recompute it next time the user presses the 'Preview' button. Nowe I have to check that it also works for 3D.
Amazingly enough, it is sufficient to simply add the smoothing parameter to the settings maps for it to work. Indeed, the smoothing is handled by the threshold detector, that for ilastik, operates on the probability map generated by the ilastik command. So there is only very little to do to make it work here. Unexpected but pleasant.
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