/// <summary> Function which submits a frame to the Computer Vision API for celebrity
/// detection. </summary>
/// <param name="frame"> The video frame to submit. </param>
/// <returns> A <see cref="Task{LiveCameraResult}"/> representing the asynchronous API call,
/// and containing the celebrities returned by the API. </returns>
private async Task <LiveCameraResult> AtosEmployeeAnalysisFunction(VideoFrame frame)
{
var jpg = frame.Image.ToMemoryStream(".jpg", s_jpegParams);
// Submit image to API.
var attrs = new List <FaceAPI.FaceAttributeType> {
FaceAPI.FaceAttributeType.Age,
FaceAPI.FaceAttributeType.Gender,
FaceAPI.FaceAttributeType.HeadPose,
FaceAPI.FaceAttributeType.Glasses,
FaceAPI.FaceAttributeType.Hair,
FaceAPI.FaceAttributeType.FacialHair,
FaceAPI.FaceAttributeType.Makeup,
FaceAPI.FaceAttributeType.Smile,
FaceAPI.FaceAttributeType.Emotion,
FaceAPI.FaceAttributeType.Accessories,
FaceAPI.FaceAttributeType.Occlusion,
FaceAPI.FaceAttributeType.Blur
};
var faces = await _faceClient.DetectAsync(jpg, returnFaceAttributes : attrs);
// Count the API call.
Properties.Settings.Default.FaceAPICallCount++;
FaceRecognition fr = new FaceRecognition();
var person = await fr.Identify(_faceClient, faces);
var pName = "";
List <AtosEmployee> aeList = new List <AtosEmployee>();
if (person != null)
{
pName = person.Name;
var employee = AtosEmployeesDetails.Get(pName);
if (employee != null)
{
aeList.Add(employee);
pName = employee.FirstName + " " + employee.LastName;
}
}
return(new LiveCameraResult
{
// Extract face rectangles from results.
Faces = faces.Take(1).ToArray(),
// Extract celebrity names from results.
CelebrityNames = aeList.ToArray(),
EmotionScores = faces.Select(e => e.FaceAttributes.Emotion).ToArray()
});
}
private async void UploadFacesButton_Click(object sender, RoutedEventArgs e)
{
FaceRecognition fr = new FaceRecognition();
await fr.UploadFaces();
}
private async void StartTrainingButton_Click(object sender, RoutedEventArgs e)
{
FaceRecognition fr = new FaceRecognition();
await fr.StartTraining();
}
private async void CreateDBButton_Click(object sender, RoutedEventArgs e)
{
FaceRecognition fr = new FaceRecognition();
await fr.UpdatePerson("Person 3 Sabina");
}