/// <summary>
/// Stores the latest face recognition results.
/// </summary>
/// <param name="newResultData">The results set to be stored.</param>
private void StoreResult(FaceRecognitionResult newResultData)
{
Results.FaceRecognitionResults.Enqueue(newResultData);
// Only keep the last n results for live display. Ensure by removing oldest results (FIFO).
// Check defined constant 'MAX_COUNT_DISPLAY_FACES' to specify n.
if (Results.FaceRecognitionResults.Count > MAX_COUNT_DISPLAY_FACES)
{
Results.FaceRecognitionResults.TryDequeue(out FaceRecognitionResult dequeuedResult);
}
}
/// <summary>
/// Analyzes face recognition results for the image to be found under the given url.
/// </summary>
/// <param name="imageUrl">The url of the image which has been analyzed.</param>
/// <param name="detectedFaces">The face recognition results as collection of face classes containing several attributes.</param>
private void AnalyseResults(string imageUrl, IEnumerable <Face> detectedFaces)
{
var resultFaces = detectedFaces.ToList();
var countResult = CountFaces(resultFaces);
var newResultData = new FaceRecognitionResult(
imageUrl,
countResult.totalFaceCount,
countResult.femaleFaceCount,
countResult.totalFaceCount - countResult.femaleFaceCount);
StoreResult(newResultData);
}
