107.

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Page 194

Figure 5.4 Results of intersection between the box with L=3 and the image intensity surface shown in Figure 5.3(a and b). See text for explanation.

cells is calculated by locating the box on each of the interior pixels of the image (i.e. excluding boundary pixels). Suppose that thirty boxes contain nine filled cells, twenty boxes contain fifteen filled cells, forty boxes contain twenty filled cells, and ten boxes contains twenty-one filled cells. Note that Equation (5.6) requires that the sum of overall probabilities P(m, L) must be equal to one. It is a simple matter to calculate that P(m, L)=P (9, 3) =30/100=0.3, P(15, 3)=20/100=0.2, P(20, 3)=40/100=0.4, and P(21, 3)=10/100=0.1.

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