openpiv-users

Hi, These "opposite" vectors are spurious vectors, something that occurs in most PIV

Please explain first what you try to measure - are these particles floating? How deep is the channel?

Sure, that'll be great! I hope I will still have been in the USA by then. I don't have plans

there is also https://github.com/MechMicroMan/openpiv-xl On Thursday, May 22, 2025 at 9:28:10 AM UTC+

Hi, I do not see the movie. Could you please reshare the link? Two frames as you're trying to use

Thank you for your quick response! 2025년 4월 2일 (수) 오전 12:38, 'Ivan Nepomnyashchikh' via

here's the optical flow attempt: https://deepnote.com/streamlit-apps/72d459a3-e204-4952-ac35-

Hey Alex, Here is an updated version of William's Optolution camera spreadsheet. I added a few

Hi everyone, I made a change for overlap logical validation condition. The previous condition: if

OpenPIV is designed to deal with PIV-like images. As it was mentioned above, the images you found on

OpenPIV/openpiv_2.0_governance: @ali-sh-96 and @alexlib agreed to start working on a unified version

Thanks a lot for the help! The problem is now properly solved. 2024年11月6日水曜日 23:56:32 UTC+9 alex.l...

Got it, working on it. Thanks On Tuesday, October 8, 2024 at 5:25:29 AM UTC+3 nepo...@oregonstate.edu

Hello, Dr. Liberzon. I converted this discussion into a Jupiter Notebook. It is ready for a pull

Hello, dear OpenPIV users. We have added normalized median filter to OpenPIV. It is added as both the

Ok, thank you, I will do something with Polars and will share the results, then. I will also be

Ok, will do, thanks. Ivan On 7/13/24 08:10, Alex Liberzon wrote: [This email originated from outside

The main bit here is that the 1st edition of the Practical Guide for PIV has been released for free

Again, I think you are going the hard way. Your screenshots mean that you are using a rather advanced

Here's a short explanation of how to select filters https://youtu.be/GVxBSPpdtu4?feature=

Please raise an issue in github. There's a function that takes care of this at the end of windef

See this repo and the pre-print, follow the Google Colab tutorials and you'll get a lot of extra

Hi, Thanks to Chen from our lab, a bug was discovered in the sorting of pattern_b files. It's

Hi Dr. Liberzon We are now able provide you with our entire dataset which you can access here: https:

Hi Francesco, I think best is to follow these examples. https://github.com/lento234/pivuq/tree/main/

Hi, 1. we recommend watching the video webinar https://www.youtube.com/watch?v=ci98mLhYEeg 2.

For future readers, OpenPIV, in fact, is capable of doing what I'm asking about. One needs to

Thank you Prof. Alex and Prof. Gurka for the assistance with overlap and multi-pass. When I

Hi Alex, Thanks for making the demos, they are awesome! The bacterial droplet data were produced by

Hey, you might have seen a Linkedin post about the OpenPIV demo that we prepared for our community