Figure 6
From: Chip-based adaptive skin color detection using trajectory constraints on hue

Comparisons among traditional RGB and HSV thresholds and proposed TCH algorithm; (a)(e)(i)(m)(q) the test scenarios, (b)(f)(j)(n)(r) tested with RGB threshold, (c)(g)(k)(o)(s) tested with HSV threshold, (d)(h)(l)(p)(t) tested with proposed TCH.