OSIV

If you're in search of a program that can perform cross-correlation analysis of particle image velocimetry (PIV) images, you might want to check out OSIV. This software is designed to be both modular and efficient, and it comes packed with many tried-and-true algorithms, including some of the newest ones in the field of PIV.

OSIV prioritizes modularity and efficiency, which is evident in its support of various algorithms that can perform each step required in PIV, from cross-correlation to peak interpolation and pre-processing. Each of these algorithms has undergone extensive profiling and optimization, ensuring that they function optimally.

One of the standout features of OSIV is its range of correlation algorithms. These algorithms include Direct Least Squares, Fast Direct Least Squares, Direct Cross-Correlation, Fast Direct Cross-Correlation, Fourier Cross-Correlation, Fourier Least Squares, and Iterative Fourier Correlation. This variety ensures that you have access to multiple options, allowing you to choose the one best suited for your needs.

Overall, OSIV delivers on its promise of modularity and efficiency, making it an excellent choice for anyone looking for a software tool to perform cross-correlation analysis of PIV images.