catch (cv::Exception& e) { cerr << "Error opening file \"" << fn_csv << "\". Reason: " << e.msg << endl; // 文件有问题,我们啥也做不了了,退出了 exit(1); } // 如果没有读取到足够图片,也退出. if (images.size() <= 1) { string error_message = "This demo needs at ...
} catch (const cv::Exception&) { frameSource.release(); } } if (!frameSource) { frameSource = createFrameSource_Video(inputVideoName); } // skip first frame, it is usually corrupted Mat frame; frameSource->nextFrame(frame); superRes->setInput(frameSource); VideoWriter writer; for (int...
} catch (runtime_error& ex) { fprintf(stderr, "图像转换成PNG格式发生错误:%s\n", ex.what()); return 1; } fprintf(stdout, "PNG图片文件的alpha数据保存完毕!\n"); return 0; }
try：该代码块中编写可能产生异常的代码。 catch：用来进行某种异常的捕获，实现对捕获到的异常进行...
opencv学习之catch blue#20190703 Object Tracking Now we know how to convert BGR image to HSV, we can use this to extract a colored object. In HSV, it is more easier to represent a color than in BGR color-space. In our application, we will try to extract a blue colored object. So ...
catch( cv::Exception& e ) { const char* err_msg = e.what(); std::cout << "exception caught: " << err_msg << std::endl; } 多线程和重入 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
41catch (cv_bridge::Exception& e) 42{ 43ROS_ERROR("cv_bridge exception: %s", e.what()); 44return; 45} 在我们的订阅者回调中,我们首先将ROS图像消息转换为 适合使用OpenCV的CvImage。因为我们要在图像上绘制,所以我们需要它的可变副本,所以我们使用 toCvCopy()。 sensor_msgs::image_encodings::BGR...
bardet = makePtr<barcode::BarcodeDetector>(sr_prototxt, sr_model); } catch (const std::exception& e) { cout << "\n---\n" "Failed to initialize super resolution.\n" "Please, download 'sr.*' from\n" "https://github.com/WeChatCV/opencv_3rdparty/tree/wechat_qrcode\n" "and put...
catch(NullReferenceException excpt) { MessageBox.Show(excpt.Message); } } #endregion cameracapture 从视频文件捕获的代码 #region filecapture if(comboBox1.Text =="Capture From File") { openFileDialog1.Filter ="MP4|*.mp4"; openFileDialog1.FileName =""; ...
catch (const ivx::RuntimeError & e) { VX_DbgThrow(e.what()); } catch (const ivx::WrapperError & e) { VX_DbgThrow(e.what()); }return true; } } #endif#if 0 //defined HAVE_IPP namespace cv {static bool ipp_Deriv(InputArray _src, OutputArray _dst, int dx, int dy, int ks...