public static final LocalFeaturesMatches getMatchesFloatsLF(
ALocalFeaturesGroup<FloatsLF> g1, ALocalFeaturesGroup<FloatsLF> g2, double sqMaxDist) {
LocalFeaturesMatches matches = new LocalFeaturesMatches();
if (g2.size() == 0) return null;
int nMatches = 0;
for (FloatsLF curr : g1.lfArr) {
FloatsLF match = get(curr, g2, sqMaxDist);
if (match != null) matches.add(new LocalFeatureMatch(curr, match));
}
return matches;
}
public static final LocalFeaturesMatches getMatchesRootSIFT(
ALocalFeaturesGroup<RootSIFT> g1, ALocalFeaturesGroup<RootSIFT> g2, int sqMaxDist) {
LocalFeaturesMatches matches = new LocalFeaturesMatches();
if (g2.size() == 0) return null;
int nMatches = 0;
for (RootSIFT curr : g1.lfArr) {
RootSIFT match = get(curr, g2, sqMaxDist);
if (match != null) matches.add(new LocalFeatureMatch(curr, match));
}
return matches;
}
public final ArrayList<TransformationHypothesis> getTrHypothesis(
LocalFeaturesMatches matches, int qN) {
Hashtable<Long, LocalFeaturesMatches> ht = this.getLoweHoughTransforms_HT(matches);
if (ht == null || ht.size() == 0) return null;
LocalFeaturesMatches[] ordered = LoweHoughTransform.orderHT(ht);
if (ordered[0].size() < minHoughMatches || ordered[0].size() / (double) qN < minPercMatches)
return null;
totNRANSAC++;
return matches.getRANSAC(
ht, cycles, nHoughMaxForRANSAC, errorPerc, tr, minXYDist, true, rejectUnConsistent);
}
public final double distance(F g1, F g2, LocalFeaturesMatches matches) {
distCount++;
if (matches == null || matches.size() == 0) return 1.0;
if (matches.size() / (double) g1.size() < minPercMatches) {
updateStats(0, matches.size(), 0);
return 1.0;
}
if (nHoughMatches) {
Hashtable<Long, LocalFeaturesMatches> ht = this.getLoweHoughTransforms_HT(matches);
if (ht == null || ht.size() == 0) {
updateStats(0, matches.size(), 0);
return 1.0;
}
LocalFeaturesMatches[] ordered = LoweHoughTransform.orderHT(ht);
updateStats(0, matches.size(), 0);
return 1.0 - this.getPercentage(ordered[0].size(), g1.size(), g2.size());
} else if (onlyNMatches) {
updateStats(0, matches.size(), 0);
return 1.0 - this.getPercentage(matches.size(), g1.size(), g2.size());
}
double res = 0;
if (matches.size() / (double) g1.size() < minPercMatches) {
updateStats(0, matches.size(), 0);
return 1.0;
}
ArrayList<TransformationHypothesis> trArr = getTrHypothesis(matches, g1.size());
if (trArr == null || trArr.size() == 0) {
res = 0.0;
updateStats(0, 0, matches.size());
} else {
res = this.getPercentage(trArr.get(0).getMatches().size(), g1.size(), g2.size());
updateStats(matches.size(), trArr.get(0).getMatches().size(), 0);
}
if (res > 1.0) res = 1.0;
return 1.0 - res;
}
public final Hashtable<Long, LocalFeaturesMatches> getLoweHoughTransforms_HT(
LocalFeaturesMatches matches) {
if (matches.size() < minMatches) return null;
return LoweHoughTransform.getLoweHoughTransforms_HT(
matches.getMatches(), false, RANSAC_minMaxSR);
}
