/// <summary>
/// Creates a <see cref="TrainingStatus"/> from a <see cref="TrainingStatusType"/>
/// </summary>
/// <returns>The <see cref="TrainingStatus"/>.</returns>
/// <param name="status">The status to use.</param>
public static TrainingStatus FromStatus(TrainingStatusType status)
{
return(new TrainingStatus
{
Status = status
});
}
public async Task <List <Identification> > Identify(string personGroupId, StorageFile file)
{
var result = new List <Identification>();
try
{
var faces = await Detect(file);
var faceIds = faces.Select(face => face.FaceId.GetValueOrDefault()).ToList();
if (faceIds.Count == 0)
{
Debug.WriteLine("No Faces Found");
return(result);
}
TrainingStatusType status = await IsTrainingComplete(personGroupId);
IList <IdentifyResult> identities = new List <IdentifyResult>();
if (status != TrainingStatusType.Failed)
{
identities = await _faceClient.Face.IdentifyAsync(personGroupId, faceIds);
}
foreach (var face in faces)
{
var identifyResult = identities.Where(i => i.FaceId == face.FaceId).FirstOrDefault();
var identification = new Identification
{
Person = new Person {
Name = "Unknown"
},
Confidence = 1,
Face = face,
IdentifyResult = identifyResult
};
result.Add(identification);
if (identifyResult != null && identifyResult.Candidates.Count > 0)
{
// Get top 1 among all candidates returned
IdentifyCandidate candidate = identifyResult.Candidates[0];
var person = await _faceClient.PersonGroupPerson.GetAsync(personGroupId, candidate.PersonId);
identification.Person = person;
identification.Confidence = candidate.Confidence;
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return(result);
}
/// <summary>
/// Initializes a new instance of the TrainingStatus class.
/// </summary>
/// <param name="status">Training status: notstarted, running,
/// succeeded, failed. If the training process is waiting to perform,
/// the status is notstarted. If the training is ongoing, the status is
/// running. Status succeed means this person group or large person
/// group is ready for Face - Identify, or this large face list is
/// ready for Face - Find Similar. Status failed is often caused by no
/// person or no persisted face exist in the person group or large
/// person group, or no persisted face exist in the large face list.
/// Possible values include: 'nonstarted', 'running', 'succeeded',
/// 'failed'</param>
/// <param name="created">A combined UTC date and time string that
/// describes the created time of the person group, large person group
/// or large face list.</param>
/// <param name="lastAction">A combined UTC date and time string that
/// describes the last modify time of the person group, large person
/// group or large face list, could be null value when the group is not
/// successfully trained.</param>
/// <param name="lastSuccessfulTraining">A combined UTC date and time
/// string that describes the last successful training time of the
/// person group, large person group or large face list.</param>
/// <param name="message">Show failure message when training failed
/// (omitted when training succeed).</param>
public TrainingStatus(TrainingStatusType status, System.DateTime created, System.DateTime?lastAction = default(System.DateTime?), System.DateTime?lastSuccessfulTraining = default(System.DateTime?), string message = default(string))
{
Status = status;
Created = created;
LastAction = lastAction;
LastSuccessfulTraining = lastSuccessfulTraining;
Message = message;
CustomInit();
}
internal static string ToSerializedValue(this TrainingStatusType value)
{
switch (value)
{
case TrainingStatusType.Nonstarted:
return("nonstarted");
case TrainingStatusType.Running:
return("running");
case TrainingStatusType.Succeeded:
return("succeeded");
case TrainingStatusType.Failed:
return("failed");
}
return(null);
}
