Functions:
=========

stepEdgeLCK        Detect step edges of an image by LCK detector
stepEdgeLC2K       Detect step edges of an image by LC2K detector
stepEdgeLLK        Detect step edges of an image by LLK detector
stepEdgeLL2K       Detect step edges of an image by LL2K detector
JPLLK_surface  	   Estimate regression surface by piecewise LCK smoothing
diffLCK        	   Compute difference between two one-sided LCK estimators
diffLC2K       	   Compute difference between two one-sided LC2K estimators
diffLLK            Compute difference between two one-sided LLK estimators
diffLL2K           Compute difference between two one-sided LL2K estimators
dKQ            	   Compute d_KQ distance between two point sets
stepEdgeParSelLCK  Select the parameter values in the LCK step edge detection 
	       	   criterion using the bootstrap procedure
stepEdgeParSelLC2K Select the parameter values in the LC2K step edge detection 
	       	   criterion using the bootstrap procedure
stepEdgeParSelLLK  Select the parameter values in the LLK step edge detection 
	       	   criterion using the bootstrap procedure
stepEdgeParSelLL2K Select the parameter values in the LL2K step edge detection 
	       	   criterion using the bootstrap procedure
modify1            Modify detected edges to make them thin
modify2 	   Delete deceptive detected edges due to type-I error
surfaceCluster     Image restoration using local pixel clustering
roofDiff           Compute difference between two one-sided gradient estimators
roofEdge	   Roof/Valley edge detector
roofEdgeParSel     Select the parameter values in the roof/valley edge detection 
	       	   criterion using the bootstrap procedure
threeStage	   Image restoration based on edge detection
threeStageParSel   Select the bandwidth parameter for the image restoration method
		   implemented by the function threeStage

Datasets:
=======

brain               Test image of brain
circles             Test image of circles
kid		    Test image of a kid taking test
lenna	            Test image of Lena
peppers 	    Test image of peppers
sar		    Test image of synthetic apeuture radar image.