... domain function whose value is+1 in the half region of F that captures most of the datapoints, and−1 in the other half region. The criterionfollowed therein consists of first mapping the data ... drawbacks of the distribution-based parametric modeling techniques are, first,their strong dependence on the chosen color space andlighting conditions, and second, the need for selection of the appropriate ... In Section 4,performance is evaluated for conventional and for kernel-based segmentations, with emphasis on the free parameterstuning. Finally, Section 5 contains the conclusions of ourstudy.2....