public static TrainingDataSet build(ImageTrainingBound trainBound, ImageFeatures extractor)
throws IOException {
double[] output, input;
if (trainBound == null) return null;
int totalOutput = trainBound.lastCategority + 1;
TrainingDataSet dataSet = new TrainingDataSet(extractor.getTotalFeatures(), totalOutput);
for (int i = 0; i < trainBound.list.size(); i++) {
input = extractor.extract(trainBound.list.get(i).getImg());
output = new double[totalOutput];
for (int j = 0; j < totalOutput; j++) output[j] = (trainBound.outputBind[i] == j) ? 1.0 : 0.0;
dataSet.registerTest(input, output);
}
return dataSet;
}