环回和源路由是多协议标签交换-传输应用(multi-protocol label switching transport profile,MPLS-TP)网络环保护的2种基本方式,融合它们有利于减少丢包和降低数据时延。针对目前融合二者的方法在控制分组传输路径和倒换时延方面存在...环回和源路由是多协议标签交换-传输应用(multi-protocol label switching transport profile,MPLS-TP)网络环保护的2种基本方式,融合它们有利于减少丢包和降低数据时延。针对目前融合二者的方法在控制分组传输路径和倒换时延方面存在冗余的问题,提出一种新的环保护方法—高效的环回和源路由网络环保护(efficient wrapping and steering,EWAS),通过精简控制分组传输路径消除路径冗余,降低控制分组传送开销和倒换时延,并使中间节点自动倒换数据传送通路以减少数据分组转发次数。理论分析验证了新方法的有效性,仿真结果显示,与环回、源路由和环回和源路由网络环保护(wrapping and steering,WAS)方法相比,EWAS的控制开销和倒换时延分别降低20.55%和15.18%以上。展开更多
Co-occurrence matrices have been successfully applied in texture classification and segmentation.However,they have poor computation performance in real-time application.In this paper,the efficient co-occurrence matrix...Co-occurrence matrices have been successfully applied in texture classification and segmentation.However,they have poor computation performance in real-time application.In this paper,the efficient co-occurrence matrix solution for defect detection is focused on,and a method of Fuzzy Label Co-occurrence Matrix (FLCM) set is proposed.In this method,all gray levels are supposed to subject to some fuzzy sets called fuzzy tonal sets and three defective features are defined.Features of FLCM set with various parameters are combined for the final judgment.Unlike many methods,image acquired for learning hasn't to be entirely free of defects.It is shown that the method produces high accuracy and can be a competent candidate for plain colour fabric defect detection.展开更多
Through the study of individual identification technology, the paper put forward the identification scheme for two-dimensional code ear tag ＋ RFID electronic tag, namely using Ministry of agriculture regulations two-...Through the study of individual identification technology, the paper put forward the identification scheme for two-dimensional code ear tag ＋ RFID electronic tag, namely using Ministry of agriculture regulations two-dimensional code ear tag to identify individual animal in the breeding stage, and record the basic information and breeding, using the RFID electronic identification tag to record slaughter quarantine information; phase, and finally the ear tag code, RFID electronic tag and product number should be encode relatively to generate tracing code in the final agricultural products, realize the smooth flow of the information flow from the breeding stage to the final product. For fruits and vegetables, agricultural products are adopted the common identification for orchard （greenhouse） numbers units.展开更多
The principle of a novel orthogonal modulation format of differential 8-1evel phase-shift keying amplitude-shift keying （D8PSK/ASK） with differential bi-phase encoding （DBC） is introduced. Based on it, an optical ...The principle of a novel orthogonal modulation format of differential 8-1evel phase-shift keying amplitude-shift keying （D8PSK/ASK） with differential bi-phase encoding （DBC） is introduced. Based on it, an optical labeling scheme, in which the payload is 100 Gbit/s D8PSK signal and the label is 10 Gbit/s DBC-ASK signal, is proposed and simulated. The results arc compared with other current schemes, and the effects of transmission range, modulation extinction ratio （ER） and received power on system performance are analyzed, respectively. The results show that the spectrum efficiency and bit error rate （BER） are improved greatly, and when the modulation ER is increased to 11 dB, the balanced performance between the payload and label is achieved.展开更多
文摘环回和源路由是多协议标签交换-传输应用(multi-protocol label switching transport profile,MPLS-TP)网络环保护的2种基本方式,融合它们有利于减少丢包和降低数据时延。针对目前融合二者的方法在控制分组传输路径和倒换时延方面存在冗余的问题,提出一种新的环保护方法—高效的环回和源路由网络环保护(efficient wrapping and steering,EWAS),通过精简控制分组传输路径消除路径冗余,降低控制分组传送开销和倒换时延,并使中间节点自动倒换数据传送通路以减少数据分组转发次数。理论分析验证了新方法的有效性,仿真结果显示,与环回、源路由和环回和源路由网络环保护(wrapping and steering,WAS)方法相比,EWAS的控制开销和倒换时延分别降低20.55%和15.18%以上。
基金Open Fund of the Key Lab of the Ministry of Education for Image Information Processing and Intelligent Control,China(No.200702)
文摘Co-occurrence matrices have been successfully applied in texture classification and segmentation.However,they have poor computation performance in real-time application.In this paper,the efficient co-occurrence matrix solution for defect detection is focused on,and a method of Fuzzy Label Co-occurrence Matrix (FLCM) set is proposed.In this method,all gray levels are supposed to subject to some fuzzy sets called fuzzy tonal sets and three defective features are defined.Features of FLCM set with various parameters are combined for the final judgment.Unlike many methods,image acquired for learning hasn't to be entirely free of defects.It is shown that the method produces high accuracy and can be a competent candidate for plain colour fabric defect detection.
文摘Through the study of individual identification technology, the paper put forward the identification scheme for two-dimensional code ear tag ＋ RFID electronic tag, namely using Ministry of agriculture regulations two-dimensional code ear tag to identify individual animal in the breeding stage, and record the basic information and breeding, using the RFID electronic identification tag to record slaughter quarantine information; phase, and finally the ear tag code, RFID electronic tag and product number should be encode relatively to generate tracing code in the final agricultural products, realize the smooth flow of the information flow from the breeding stage to the final product. For fruits and vegetables, agricultural products are adopted the common identification for orchard （greenhouse） numbers units.
基金supported by the National Basic Research Program of China (No.2010CB328300)the National Natural Science Foundation of China (Nos.61077050, 61077014 and 60932004)+2 种基金the Foundation of State Key Laboratory of Optical Communication Technologies and Networks (WRI) (No.2010OCTN-02)the Fundamental Research Funds for the Central Universities (Nos.2011RC0307 and 2009 RC0314)the Natural Science Foundation of Hebei Province (No.F2010001045)
文摘The principle of a novel orthogonal modulation format of differential 8-1evel phase-shift keying amplitude-shift keying （D8PSK/ASK） with differential bi-phase encoding （DBC） is introduced. Based on it, an optical labeling scheme, in which the payload is 100 Gbit/s D8PSK signal and the label is 10 Gbit/s DBC-ASK signal, is proposed and simulated. The results arc compared with other current schemes, and the effects of transmission range, modulation extinction ratio （ER） and received power on system performance are analyzed, respectively. The results show that the spectrum efficiency and bit error rate （BER） are improved greatly, and when the modulation ER is increased to 11 dB, the balanced performance between the payload and label is achieved.
