Analysis and Realization of Sampling Strategy in Coordinate Metrology

Table 2

Relationship between CA and sample size.

Size (mm^2)	Surface	Percentage improvement in CA
		Hammersley	Halton-Zaremba	Poisson	Random	Grid
90x90	1	61.50	54.85	85.30	96.18	53.55
	2	55.34	31.64	65.25	39.92	51.48
	3	96.47	92.59	99.88	96.17	95.14
45x45	1	77.23	71.98	74.82	66.10	73.39
	2	80.88	79.76	90.06	74.11	79.05
	3	94.48	88.67	96.71	97.93	90.11
22.5x22.5	1	79.06	71.03	82.51	83.63	65.45
	2	92.59	80.51	96.20	81.64	80.95
	3	89.07	85.44	86.86	79.07	74.43