Facial Edema Evaluation Using Digital Image Processing

Table 1

Diameter measurements.

	Diameter measurement of Mexican currencies
	50 cent cm	1 peso cm	2 pesos cm	5 pesos cm	10 pesos cm
Real diameter	2.2	2.1	2.3	2.55	2.8
Measured diameter	2.196	2.0984	2.2936	2.5476	2.7976
Absolute error	0.004	0.0016	0.0064	0.0024	0.0024
Relative error	0.18%	0.07%	0.27%	0.09%	0.08%