A mechanism is moving in a particular pattern. There is a real time video of the same with red color markers are stick to each links. Is there any image processing tool or software which can capture the movement of links and give its change in position, velocity and acceleration? So that the results can be used to co relate rigid body/ multibody dynamic model results.
Hi Subhash,
You are looking for an object tracker / feature matcher. Here below a few tools I remember of:
1) https://physlets.org/tracker/ -> it's manual, quick and dirty for analysing a small quantity of data.
2) https://opencv.org/ -> start writing some code, requires some learning curve but scales better with large amount of data ( see https://docs.opencv.org/trunk/dc/dc3/tutorial_py_matcher.html , https://stackoverflow.com/questions/42938149/opencv-feature-matching-multiple-objects, https://docs.opencv.org/trunk/dc/dc3/tutorial_py_matcher.html, and https://www.pyimagesearch.com/2018/07/23/simple-object-tracking-with-opencv/). If you start analysing frame by frame, at some point you will need to move a probabilistic model overlay ( http://www.cs.toronto.edu/~urtasun/courses/teaching.html).
3) http://www.mousemotorlab.org/deeplabcut -> this tool seems promising enough, but computationally heavy.
Keep it simple if you can.
Best,
Andrea
Yes!,
look at olympus high speed cameras (and associated software) - we have used this for contactless vibration measurements and particle tracking. Also, there is old video tracking software you can download that you are able to track objects, by hand, frame by frame.
Hope this helps
P
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