static private extern void cpp_RoiBox_list_release(ref RoiBox_list detectedObjs);
 public void RoiBox_list_release(ref RoiBox_list detectedObjs)
 {
     cpp_RoiBox_list_release(ref detectedObjs);
 }
 static private extern int cpp_full_iamge_detect_recognize(IntPtr pClassObject,
                                                           byte[] srcImage_ptr, int srcImage_ptr_len, ref RoiBox_list detectedObjs, int typeIdx);
 public void full_iamge_detect_recognize(byte[] srcImage_ptr, int srcImage_ptr_len, ref RoiBox_list detectedObjs, int typeIdx)
 {
     cpp_full_iamge_detect_recognize(this.m_pNativeObject,
                                     srcImage_ptr, srcImage_ptr_len, ref detectedObjs, typeIdx);
 }