ischerl/rpca-piv

RPCA-PIV

This repository contains the code used in Robust Principal Component Analysis for Particle Image Velocimetry by Isabel Scherl, Benjamin Strom, Jessica K. Shang, Owen Williams, Brian L. Polagye, and Steven L. Brunton.

Instructions on how to obtain the data used in the paper can be found in instructions.md

To use this method on your own data, see example.m

Cite as: Scherl, Isabel, et al. "Robust principal component analysis for modal decomposition of corrupt fluid flows." Physical Review Fluids 5.5 (2020): 054401. https://link.aps.org/doi/10.1103/PhysRevFluids.5.054401

rpca-piv's Issues

Cylinder PIV and DNS data

Hi,

I have gone through your RPCA paper and youtube video. I m interested in testing RPCA for cylinder PIV and DNS data. Can you please make available the data.

Thanks
Sachin R

Effect of how many U,V frames are used and at what point during the study?

Hi,

Thank you for sharing the code. I have a question about the maximum number of frames/instances, at which U and V displacements are recorded, that can be used on RPCA using your code. This is question is mainly because of 'out of memory' error from MATLAB if I used larger set of data.

1- Did you try to see if there is a minimum number of the frames that can used?
2- Or, did you take selective number of frames only e.g., 40 frames out of 100 frames etc. ?

I would like the code to run on couple of thousand frames but the current form of code does not allow that. Your answer to these questions will help me in deciding whether to use just a chunk of the data or how exactly to move forward.

Thanks again for your work!

PIV Data

Hi,
Really nice work ! I was wondering if you could share the PIV data as well maybe?
Thanks!