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Image Acquisitionand Proces

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<strong>Image</strong> Analysis 179<br />

FIGURE 7.17 Convert grayscale image to two-dimensional array — wiring diagram.<br />

FIGURE 7.18 Grayscale image portions to mathematical values.<br />

value for the PUI. The user can also deÞne a multiplier for the selected row (the<br />

current intensity values are multiplied by this number), and a divider for the selected<br />

column. Notice how the multiplied row seems noisy; this is because the calculated<br />

new intensity values are more than 255 (the data is limited to an unsigned 8 bit<br />

integer), therefore the new values wrap to lower levels.

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