protected virtual void OnDestroy()
 {
     if (CloudRecognizer != null)
     {
         CloudRecognizer.Dispose();
     }
 }
 public void Dispose()
 {
     if (cloudRecognizer != null)
     {
         cloudRecognizer.Dispose();
     }
     foreach (var obj in targetObjs)
     {
         Destroy(obj);
     }
 }