Incorporating Colour Information for Computer-Aided Diagnosis of Melanoma from Dermoscopy Images: A Retrospective Survey and Critical Analysis

Table 3

Colour classification studies.

Authors	Year	Method	Colour space	Number of colour classes
Sboner et el. [13]	2001	Thresholding	HSV	4
Chen et al. [72]	2003	Histogram	RGB	2
Sboner et al. [73]	2003	Thresholding	HSV	4
Seidenari et al. [74]	2003	Nearest neighbor	RGB	6
Pellacani et al. [75]	2004	Nearest neighbor	RGB	6
Sboner et al. [14]	2004	Thresholding	HSV	4
Seidenari et al. [76]	2005	Nearest neighbor	RGB	6
Seidenari et al. [58]	2007	Nearest neighbor	RGB	6
Seidenari et al. [71]	2006	Nearest neighbor	RGB	6
Silva et al. [77]	2012	Nearest neighbor	RGB	6
Barata et al. [78]	2014	Gaussian mixture	HSV & Lab	5