public static Results EvaluateContinuousRecognizer(DeviceType device)
{
// Get the list of participants 15 through 24
List <int> participants = new List <int> {
15, 16, 17, 18, 19, 20, 21, 22, 23, 24
};
Results all_results = new Results();
all_results.Reset();
long one = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond; // at beginning
Results user_results = new Results();
for (int pid = 0; pid < participants.Count; pid++)
{
Debug.Log("Running Yeah evaluation on Participant " + participants[pid]);
user_results.Reset();
for (int ii = 0; ii < 10; ii++)
{
Results tempResults = EvaluateSession(device, participants[pid]);
tempResults.PrintF();
user_results.AppendResults(tempResults);
}
all_results.AppendResults(user_results);
Debug.Log("Results for Participant " + participants[pid]);
user_results.PrintF();
}
long two = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond; // at beginning
Debug.Log(string.Format("Time elapsed {0} seconds", (two - one) / 1000));
Debug.Log("Overall results");
all_results.PrintF();
return(all_results);
}
public static Results EvaluateSessionWindowed(DeviceType device, int subject_id)
{
configuartion_parameters_t parameneters = new configuartion_parameters_t(device);
// Load subject dataset
Dataset ds = Global.load_subject_dataset(device, subject_id);
List <Sample> train_set = Global.GetTrainSet(ds, 1);
// Covert the dataset to format accepted by Jackknife
List <Jackknife.Sample> jk_train_set = JackknifeConnector.GetJKTrainSet(train_set);
// Load subject session
List <Frame> frames = new List <Frame>();
Global.load_session(device, subject_id, frames, ds);
// Load ground truth
List <GestureCommand> cmds = new List <GestureCommand>();
GestureCommand.GetAllCommands(cmds, ds, device, subject_id);
// Train the recognizer
JackknifeBlades blades = new JackknifeBlades();
blades.SetIPDefaults();
blades.ResampleCnt = 20;
Jackknife.Jackknife jk = new Jackknife.Jackknife(blades);
foreach (Jackknife.Sample s in jk_train_set)
{
jk.AddTemplate(s);
}
// Set between 2.0 and 10.0 in steps of .25
// to find the best result
jk.SetRejectionThresholds(5.25f);
// Set up filter for session points
ExponentialMovingAverage ema_filter = new ExponentialMovingAverage(frames[0].pt);
Vector pt;
WindowSegmentor windowSegmentor = new WindowSegmentor(jk);
//List<RecognitionResult> rresults = new List<RecognitionResult>();
List <ContinuousResult> continuous_results = new List <ContinuousResult>();
// Go through session
for (int session_pt = 0; session_pt < frames.Count; session_pt++)
{
long ts1 = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond; // at beginning
pt = ema_filter.Filter(frames[session_pt].pt, 1 / (double)parameneters.fps);
long ts2 = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond; // after filter
Jackknife.Vector jkpt = JackknifeConnector.ToJKVector(pt);
windowSegmentor.Update(jkpt);
windowSegmentor.Segment(continuous_results);
if (session_pt % 2000 == 0)
{
Debug.Log(string.Format("{0}% Done", (double)session_pt / (double)frames.Count * 100.0));
}
}
foreach (ContinuousResult cr in continuous_results)
{
Debug.Log(string.Format("st {0}, en {1}, gid {2}", cr.startFrameNo, cr.endFrameNo, cr.gid));
}
// Per gesture confusion matrix
List <ConfisionMatrix> cm = new List <ConfisionMatrix>();
for (int ii = 0; ii < ds.Gestures.Count; ii++)
{
cm.Add(new ConfisionMatrix());
}
for (int ii = 0; ii < continuous_results.Count; ii++)
{
ContinuousResult result = continuous_results[ii];
bool found = false;
int cidx = 0;
for (cidx = 0; cidx < cmds.Count; cidx++)
{
found = cmds[cidx].Hit(result);
if (found == true)
{
break;
}
}
if (found == true)
{
// true positive
if (cmds[cidx].detected == false)
{
cmds[cidx].detected = true;
cm[result.gid].tp += 1.0f;
}
}
else
{
bool bad = GestureCommand.IsBadCommand(
frames,
result);
if (bad == true)
{
continue;
}
// false positive
cm[result.gid].fp += 1.0f;
}
}
// false negatives
for (int cidx = 0; cidx < cmds.Count; cidx++)
{
if (cmds[cidx].detected == true)
{
continue;
}
cm[cmds[cidx].gid].fn += 1.0;
}
Results ret = new Results();
for (int ii = 0; ii < cm.Count; ii++)
{
ret.AppendResults(cm[ii]);
}
ret.PrintF();
return(ret);
}
void Update()
{
if (eStatus == EvaluationStatus.TRAINING)
{
if (segmentorType == SegmentorType.MACHETE)
{
Prepare();
}
else if (segmentorType == SegmentorType.WINDOW)
{
PrepareWindow();
}
eStatus = EvaluationStatus.EVALUATING;
}
if (eStatus == EvaluationStatus.EVALUATING)
{
if (frame_idx > 1)
{
// Time since last frame
timer += Time.deltaTime; // Total time
timeStats_UserDependent.add(Time.deltaTime);
timeStats_Overall.add(Time.deltaTime);
}
if (segmentorType == SegmentorType.MACHETE)
{
Step();
}
else if (segmentorType == SegmentorType.WINDOW)
{
StepWindow();
}
frame_idx += 1;
if (frame_idx == frames.Count)
{
eStatus = EvaluationStatus.SUMMARIZING;
}
}
if (eStatus == EvaluationStatus.SUMMARIZING)
{
Summarize();
eStatus = EvaluationStatus.TRANSITION;
}
if (eStatus == EvaluationStatus.TRANSITION)
{
iteration += 1;
Debug.Log(string.Format("Iteration {2} User# {0}, (Participant {1}) Completed.\n",
currentParticipantIndex, currentParticipantID, iteration));
iteration_results.PrintF();
user_results.AppendResults(iteration_results);
// PrintTimes();
iteration_results.Reset();
// If all iterations are done, continue to next participant
if (iteration == iterationCount)
{
// Save results into a file and to all results
logResultsToFile("stats.csv", user_results, timeStats_UserDependent, "PID " + currentParticipantID);
all_results.AppendResults(user_results);
iteration = 0;
currentParticipantIndex += 1;
timeStats_UserDependent.reset();
user_results.Reset();
}
// If all participants done, we're finished
if (currentParticipantIndex == participants.Count)
{
Debug.Log("FINISHED");
eStatus = EvaluationStatus.FINISHED;
all_results.PrintF();
logResultsToFile("stats.csv", all_results, timeStats_Overall, "global");
timeStats_Overall.reset();
return;
}
eStatus = EvaluationStatus.TRAINING;
}
if (eStatus == EvaluationStatus.FINISHED)
{
}
}