Lymphocyte dysregulation and coagulopathy are closely correlated with the severity and fatal risks of coronavirus disease 2019(COVID-19).Patients with lymphopenia showed a remarkably higher risk of progressive thrombo...Lymphocyte dysregulation and coagulopathy are closely correlated with the severity and fatal risks of coronavirus disease 2019(COVID-19).Patients with lymphopenia showed a remarkably higher risk of progressive thrombosis and abnormal coagulation[1].Up to 80%of severely ill and deceased COVID-19 patients have been found to have diffuse alveolar damage and fibrinous thrombi[2].Autopsy studies confirmed widespread pulmonary embolism and microthrombosis in multiple organs,including but not limited to the lung,kidney,liver,heart,and brain[3].展开更多
To meet the needs of transportation systems for smart scenic security services,real-time detection and identification of traffic anomalies with high accuracy is essential.Based on the multi-objective sparse optical fl...To meet the needs of transportation systems for smart scenic security services,real-time detection and identification of traffic anomalies with high accuracy is essential.Based on the multi-objective sparse optical flow estimation method based on KLT algorithm,an improved algorithm for robust sparse optical flow is designed.The Forward-Backward error calculation method was used to eliminate the error optical flow generated by the KLT algorithm and the robustness of optical flow was improved.The proposed algorithm was verified by the actual traffic scene monitoring example,and the anomaly detection accuracy is above 80%.Furthermore,it has good detection effect on the benchmark dataset.展开更多
基金supported by the National Natural Science Foundation of China(82273576)。
文摘Lymphocyte dysregulation and coagulopathy are closely correlated with the severity and fatal risks of coronavirus disease 2019(COVID-19).Patients with lymphopenia showed a remarkably higher risk of progressive thrombosis and abnormal coagulation[1].Up to 80%of severely ill and deceased COVID-19 patients have been found to have diffuse alveolar damage and fibrinous thrombi[2].Autopsy studies confirmed widespread pulmonary embolism and microthrombosis in multiple organs,including but not limited to the lung,kidney,liver,heart,and brain[3].
基金Xaar Network Next Generation Internet Technology Innovation Project(No.NGII20180901)the Major special project of science and technology of Guangxi(No.AA18118047-7).
文摘To meet the needs of transportation systems for smart scenic security services,real-time detection and identification of traffic anomalies with high accuracy is essential.Based on the multi-objective sparse optical flow estimation method based on KLT algorithm,an improved algorithm for robust sparse optical flow is designed.The Forward-Backward error calculation method was used to eliminate the error optical flow generated by the KLT algorithm and the robustness of optical flow was improved.The proposed algorithm was verified by the actual traffic scene monitoring example,and the anomaly detection accuracy is above 80%.Furthermore,it has good detection effect on the benchmark dataset.
