MATLAB code for K-means image segmentation

Description

Performs K-means segmentation on input image.

Chooses K by computing the variance of the spots identified at different values K = 2, 3, 4…and selecting the parameter where the area of the spots varies the least.

MATLAB code for detection and classification of micro-expressions from the Spontaneous Micro-Expression

https://en.wikipedia.org/wiki/K-means_clustering