File list (Check if you may need any files):
HOOF
....\README
....\README~
....\chiSquareDist.m
....\computeDistanceModularHistogram.m
....\computeDistanceOrdinalHistogram.m
....\computeDistancesBetweenKPCASystems.m
....\findSubspaceAnglesBetweenKPCASystems.m
....\findSubspaceAnglesBetweenKPCASystemsSqrtHist.asv
....\findSubspaceAnglesBetweenKPCASystemsSqrtHist.m
....\gradientHistogram.m
....\histogramKernel.m
....\identifySystemUsingKPCA.m
....\traceKernelKPCASystems.m
....\traceKernelKPCASystemsSqrtHist.m