/// <summary>
/// Steps to perform each detection started
/// 1. Count frame
/// 2. Start detection stopwatch
/// If not same second as in previous frame then update statistics and start from the beginning
/// </summary>
public void Begin()
{
DateTime now = _dateTime.Now;
if (_currenWorkingSecond.Second != now.Second)
{
DetectionRate = (_totalFramesPerSecond < 1) ? 100 : 100 * _successDetectionFrame / _totalFramesPerSecond;
AverageDetectionTime = (_totalFramesPerSecond < 1) ? 0 : _spentOnDetectionInSecond.Milliseconds / _totalFramesPerSecond;
DetectedFPS = _successDetectionFrame;
TotalFPS = _totalFramesPerSecond;
Statistics.TryUpdateBasicImageProcessingInfo(String.Format("Detection: Rate {0}% ({1}/{2}) Average T {3}(ms)",
DetectionRate, DetectedFPS, TotalFPS, AverageDetectionTime));
_totalFramesPerSecond = 0;
_successDetectionFrame = 0;
_spentOnDetectionInSecond = TimeSpan.FromMilliseconds(0);
_currenWorkingSecond = now;
}
_totalFramesPerSecond++;
_dateTime.Start();
}