FiberFit

Description: FiberFit^TM is a free web application that analyzes the material symmetry of fiber networks. FiberFit uses a fast Fourier transform to build fiber angle distributions from two-dimensional images of fiber networks. A von Mises distribution is used to calculate fiber dispersion k and preferred fiber orientation μ. A results summary table (.csv), image summary documents (.pdf), and fiber angle distribution histograms may be exported by the user. Multiple image files can be analyzed at one time. A video tutorial is available on YouTube.

Image Requirements: Square dimensions (equal width and height). 8-bit image depth, or equivalently, grayscale. FiberFit will automatically convert color images to grayscale and will crop non-square images to have square dimensions. Approved file formats include jpg, png, tif, gif, or bmp. Here are instructions if you’d like to crop your images before using FiberFit.

Publication: For additional information on FiberFit, including data on the excellent accuracy of this program, please see our publication entitled, “A Validated Software Application to Measure Fiber Organization in Soft Tissue“. If you use FiberFit in your research, please cite this publication!

Documentation

• Video tutorial for FiberFit.
• The free web application has a help page.
• Test images: You can download test images we generated to help evaluate the accuracy of FiberFit. The filename for each image includes the known mean fiber orientation (μ) and known alignment index (k).