Construction of high resolution images from low resolution sequences having rigid or semi-rigid ob-jects with unified motions is often important in surveillance and other applications.In this paper a novelobject-based...Construction of high resolution images from low resolution sequences having rigid or semi-rigid ob-jects with unified motions is often important in surveillance and other applications.In this paper a novelobject-based super resolution reconstruction scheme was proposed,in which a six-parameter affine model-based object tracking and registration method was first used to segment and match objects among a se-quence of low resolution frames.The motion model was then further extended to the traditional maximuma posterior(MAP)super resolution algorithm.The proposed object tracking and registration method wasevaluated by both simulated and real acquired sequences.The results have demonstrated the high accura-cy of the proposed object based method and the enhanced reconstruction performance of the extended ap-proach.展开更多
Three kinds of quantum relay communication models are proposed,i.e.,the quantum single relay model,quantum serial multi-relay model and quantum parallel multi-relay model.The channel capacities of those three kinds of...Three kinds of quantum relay communication models are proposed,i.e.,the quantum single relay model,quantum serial multi-relay model and quantum parallel multi-relay model.The channel capacities of those three kinds of systems are analyzed with the theory of quantum Markov trace-preserving process and the generalized theory of simple multi-hop channel in quantum system.Motivated by the quantum Fano inequality,the lower bounds of that channel capacities are derived.The illustration and simulation present the trends of the lower bounds on the channel capacities of different quantum relay systems based on the depolarizing noisy channel.展开更多
基金the National Natural Science Foundation of China(No90304001,60472036)the Beijing Natural Science Foundation(4052007)+1 种基金the National Key Lab of Communication Foundation,UEST,China(51434050105QT0101) the PolyU/UGC grants(B-Q698)
文摘Construction of high resolution images from low resolution sequences having rigid or semi-rigid ob-jects with unified motions is often important in surveillance and other applications.In this paper a novelobject-based super resolution reconstruction scheme was proposed,in which a six-parameter affine model-based object tracking and registration method was first used to segment and match objects among a se-quence of low resolution frames.The motion model was then further extended to the traditional maximuma posterior(MAP)super resolution algorithm.The proposed object tracking and registration method wasevaluated by both simulated and real acquired sequences.The results have demonstrated the high accura-cy of the proposed object based method and the enhanced reconstruction performance of the extended ap-proach.
基金Supported by the National Natural Science Foundation of China under Grant No.60902044the Program for New Century Excellent Talents in University of Ministry of Education of China(NCET-11-0510)+5 种基金the Hunan Provincial Innovation Foundation For Postgraduate under Grant No.CX2011B087the State Scholarship Fund organized by the China Scholarship Council under Grant No.2011637096Excellent Doctoral Dissertation Fund of Central South University under Grant No.2011ybjz030WCU R32-2010-000-20014-0(Korea)FR 2010-0020942(Korea)MEST 2012-002521(NRF Korea)
文摘Three kinds of quantum relay communication models are proposed,i.e.,the quantum single relay model,quantum serial multi-relay model and quantum parallel multi-relay model.The channel capacities of those three kinds of systems are analyzed with the theory of quantum Markov trace-preserving process and the generalized theory of simple multi-hop channel in quantum system.Motivated by the quantum Fano inequality,the lower bounds of that channel capacities are derived.The illustration and simulation present the trends of the lower bounds on the channel capacities of different quantum relay systems based on the depolarizing noisy channel.
