The package includes a file as "example.m" and an image in it. These methods can be tested by just running "example.m" for the starters.
Navid Razmjooy (2020). Image Thresholding: Niblack method and Feng method (https://www.mathworks.com/matlabcentral/fileexchange/74487-image-thresholding-niblack-method-and-feng-method), MATLAB Central File Exchange. Retrieved .
Razmjooy, N., Mousavi, B. S., Khalilpour, M., & Hosseini, H. (2014). Automatic selection and fusion of color spaces for image thresholding. Signal, Image and Video Processing, 8(4), 603-614.