/**
* Generates codebook by clustering all features in training set raw data
*
* @return
*/
public boolean generateCodeBook() {
boolean operationSuccess = false;
database.setMode(DBMode.TRAINDATA);
Model[][] regModels = database.readAllDataofCurrentMode();
int totalFrames = 0;
allFeaturesList.clear();
// extract single list of all features
for (int i = 0; i < regModels.length; i++) {
for (int j = 0; j < regModels[i].length; j++) {
GestureFeature[] gf = getFeature((RawFeature) regModels[i][j]);
for (int k = 0; k < gf.length; k++) {
allFeaturesList.add(gf[k]);
totalFrames++;
}
}
} //
// single array from list
GestureFeature[] allFeaturesArr = new GestureFeature[totalFrames];
allFeaturesArr = allFeaturesList.toArray(new GestureFeature[0]);
// clustering is done automatically after callng constructor
Codebook cbk = new Codebook(getPointsFromFeatureVector(allFeaturesArr));
cbk.saveToFile();
operationSuccess = true;
return operationSuccess;
}
