Gas Bubbles Investigation in Contaminated Water Using Optical Tomography Based on Independent Component Analysis Method

Table 2

The calculation of average value for pixels and in 25% of air opening flow in 25 mL of colour ingredient.

Pixels	Turbidity factor () of pixel	Pixel’s value ()	Total	Number of pixels	Average value ()
	+ + + + + + + + + + + + + + + + + + + + + + + +	0.1107 + 1.236 + 0.244 + 0.2295 + 0.027 + 0.00016 + 0.0049 + 0.138 + 0.231 + 0.1467 + 0.133 + 0.0534 + 0.034 + 0.0615 + 0.0205 + 0.035 + 0.052 + 0.025 + 0.3656 + 0.0706 + 0.0013 + 0.018 + 0.4843 + 0.58 + 0.697	5.0000	25	0.2000
	+ + + + + + + + + + + + + + + + + + + + +	1.546 + 0.366 + 0.2296 + 0.011 + 0.5009 + 0.5961 + 0.076 + 0.0067 + 0.00066 + 0.0055 + 0.00011 + 0.044 + 0.0083 + 0.0143 + 0.07 + 0.0519 + 0.0706 + 0.164 + 0.0896 + 0.6053 + 0.5798 + 0.7000	5.5022	22	0.2501