System Training

Figure 1: Flow chart for training and use of the discriminant function (DF) [View Image]

• From the set of Normal biopsies, thresholds were defined to recognize cells which are within Normal Limits.
• For discriminant function (DF) training (shown in Figure 1), only cells from Normal sections which are greater that 1.5 standard deviations from the Normal cell population means were used.
• A cell by cell DF was trained only on cells from sections graded as Invasive Cancer and sections graded as Normal was created.
• This DF classifies cells as being similar to the cells from the Invasive Cancer sections or not.

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