Image segmentation.

Normal classes:

ChromaThresholdRGBC	Chroma threholding
SegmentationC	Segmentation map.
ConnectedComponentsCompairC	Default compariston operator for connected components
ConnectedComponentsC	Connected component labelling.

Normal functions:

operator <<(ostream &,const ChromaThresholdRGBC &)
operator >>(istream &,ChromaThresholdRGBC &)