special purpose functions

Collaboration diagram for special purpose functions:

Modules
	Loading, saving and showing images using the CImg library
	Histogram of Oriented Gradients (HOG)
	Integral Image
	Non-Local means
	Function Optimization
	Kernels
	Kmeans
	Utility functions for k-means clustering.
	Nonlocal_means
	Rbm
	Sep_conv

Detailed Description