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Add placeholder novelty detector.

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david 2012-01-17 20:31:10 +00:00
parent bc898f7610
commit 014accb239
1 changed files with 22 additions and 1 deletions
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23
FPEngine.cc
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@ -923,6 +923,12 @@ int label_prob_cmp(const void *a, const void *b) {
return 0;
}
#define NOVELTY_THRESHOLD 10.0
static double novelty_of(const struct feature_node *features, int label) {
return 0.0;
}
static void classify(FingerPrintResultsIPv6 *FPR) {
int nr_class, i;
struct feature_node *features;
@ -955,7 +961,22 @@ static void classify(FingerPrintResultsIPv6 *FPR) {
if (FPR->num_perfect_matches == 0) {
FPR->overall_results = OSSCAN_NOMATCHES;
} else if (FPR->num_perfect_matches == 1) {
FPR->overall_results = OSSCAN_SUCCESS;
double novelty;
novelty = novelty_of(features, labels[0].label);
if (o.debugging > 1)
log_write(LOG_PLAIN, "Novelty of closest match is %.3f.\n", novelty);
if (novelty < NOVELTY_THRESHOLD) {
FPR->overall_results = OSSCAN_SUCCESS;
} else {
if (o.debugging > 0) {
log_write(LOG_PLAIN, "Novelty of closest match is %.3f > %.3f; ignoring.\n",
novelty, NOVELTY_THRESHOLD);
}
FPR->overall_results = OSSCAN_NOMATCHES;
FPR->num_perfect_matches = 0;
}
} else {
FPR->overall_results = OSSCAN_NOMATCHES;
FPR->num_perfect_matches = 0;