private async Task <IList <IdentifyResult> > GetFaceIdentificationResultsOrDefaultAsync(string personGroupId, Guid[] detectedFaceIds) { try { return(await FaceServiceHelper.IdentifyAsync(personGroupId, detectedFaceIds)); } catch (Exception e) { // Catch errors with individual groups so we can continue looping through all groups. Maybe an answer will come from // another one. ErrorTrackingHelper.TrackException(e, "Face API IdentifyAsync error"); if (this.ShowDialogOnFaceApiErrors) { await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Failure identifying faces"); } } return(new List <IdentifyResult>()); }
public async Task <IdentifyResult[]> IdentifyFacesAsync(string groupId) { this.IdentifiedPersons = Enumerable.Empty <IdentifiedPerson>(); IdentifyResult[] groupResults = null; Guid[] detectedFaceIds = this.DetectedFaces?.Select(f => f.FaceId).ToArray(); if (detectedFaceIds != null && detectedFaceIds.Any()) { List <IdentifiedPerson> result = new List <IdentifiedPerson>(); try { groupResults = await FaceServiceHelper.IdentifyAsync(groupId, detectedFaceIds); foreach (var match in groupResults) { if (!match.Candidates.Any()) { continue; } Person person = await FaceServiceHelper.GetPersonAsync(groupId, match.Candidates[0].PersonId); result.Add(new IdentifiedPerson { Person = person, Confidence = match.Candidates[0].Confidence, FaceId = match.FaceId }); } } catch (Exception e) { // Catch errors with individual groups so we can continue looping through all groups. Maybe an answer will come from // another one. ErrorTrackingHelper.TrackException(e, "Face API IdentifyAsync error"); //if (this.ShowDialogOnFaceApiErrors) //{ // await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Failure identifying faces"); //} } this.IdentifiedPersons = result; } return(groupResults); }
public async Task IdentifyFacesAsync() { this.IdentifiedPersons = Enumerable.Empty <IdentifiedPerson>(); Guid[] detectedFaceIds = this.DetectedFaces?.Select(f => f.FaceId).ToArray(); if (detectedFaceIds != null && detectedFaceIds.Any()) { List <IdentifiedPerson> result = new List <IdentifiedPerson>(); IEnumerable <PersonGroup> personGroups = Enumerable.Empty <PersonGroup>(); try { personGroups = await FaceServiceHelper.GetPersonGroupsAsync(PeopleGroupsUserDataFilter); } catch (Exception e) { ErrorTrackingHelper.TrackException(e, "Face API GetPersonGroupsAsync error"); if (this.ShowDialogOnFaceApiErrors) { await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Failure getting PersonGroups"); } } foreach (var group in personGroups) { try { IdentifyResult[] groupResults = await FaceServiceHelper.IdentifyAsync(group.PersonGroupId, detectedFaceIds); foreach (var match in groupResults) { if (!match.Candidates.Any()) { continue; } Person person = await FaceServiceHelper.GetPersonAsync(group.PersonGroupId, match.Candidates[0].PersonId); IdentifiedPerson alreadyIdentifiedPerson = result.FirstOrDefault(p => p.Person.PersonId == match.Candidates[0].PersonId); if (alreadyIdentifiedPerson != null) { // We already tagged this person in another group. Replace the existing one if this new one if the confidence is higher. if (alreadyIdentifiedPerson.Confidence < match.Candidates[0].Confidence) { alreadyIdentifiedPerson.Person = person; alreadyIdentifiedPerson.Confidence = match.Candidates[0].Confidence; alreadyIdentifiedPerson.FaceId = match.FaceId; } } else { result.Add(new IdentifiedPerson { Person = person, Confidence = match.Candidates[0].Confidence, FaceId = match.FaceId }); } } } catch (Exception e) { // Catch errors with individual groups so we can continue looping through all groups. Maybe an answer will come from // another one. ErrorTrackingHelper.TrackException(e, "Face API IdentifyAsync error"); if (this.ShowDialogOnFaceApiErrors) { await ErrorTrackingHelper.GenericApiCallExceptionHandler(e, "Failure identifying faces"); } } } this.IdentifiedPersons = result; } this.OnFaceRecognitionCompleted(); }