PIVlab analysis

[mariana...@gmail.com]

Hello, first of all, thank you for making this forum, Ive read a lot of questios that you replied and somehow it helped me in learning about this app. So I've been tasked to do comparison of PIVlab and the conventional PIV. The conventional PIV has been done and Ive gotten the results. And now my task is to use the same images and analyse the velocity using PIVlab. 

I am still new in PIVlab and Ive watch your tutorial video and see some replied answers in this forum in helping me to learn about this app but somehow I just cant get the velocity vectors image. I referred to my lecturer and he said probably there were something wrong in my setting but Ive been doing try and error and the velocity vectors that come out just seems impossible. Can you please help me out and see if theres something I can do with these images? 

This is what I get.

This is somehow what I should get (except this is from different software but the velocity vectors I got from PIVlab looks so much different that it seems impossible for me to do the comparison analysis)

Below I attached the link to some of the images used for this project, I sincerely thank you you so much if you can see and helped me with this. I really have no idea where did I go wrong, I used the 128*64*32 for IA.

https://drive.google.com/drive/folders/1PvOEFdsGr2cbu4PlrPkhJ86GQAtZEqMf

[William Thielicke]

Hi, I am getting very similar bad results with your images. Are you 100% sure that the image data that you use in both PIV tools is 100% identical? Maybe you converted the file format and some information was lost through compression or conversion? I am asking this, because in some parts of there image, there simply is no information at all (see attached image) - even if I use the most heavy image preprocessing with HDR compression etc.