| Cascaded Classifier |
| FACE |
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| first classifier:
100% detection, 50% false positives. |
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| second
classifier: 100% detection, 40%
false positives |
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| (20% cumulative) |
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| • | using data from
previous stage. |
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| third classifier:
100% detection,10% false positive rate |
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| (2% cumulative) |
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| Put cheaper
classifiers up front |
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