Essays about: "message-passing algorithm"

Showing result 1 - 5 of 13 essays containing the words message-passing algorithm.

  1. 1. Phase Unwrapping MRI Flow Measurements

    University essay from Uppsala universitet/Avdelningen Vi3

    Author : Mio Liljeblad; [2023]
    Keywords : phase unwrapping; computer vision; cine MRI; NMR; flow measurements; velocity encoding; venc; energy minimization; magnetic resonance; cardiac MRI; sinotubuar junction; pulmonary artery; ascending descending aorta; laplacian algorithm; iterative graph cuts; IGC; sequential tree-reweighted message passing; TRW-S; velocity to noise ratio; VNR; retrospective wrapping; energy formulation;

    Abstract : Magnetic resonance images (MRI) are acquired by sampling the current of induced electromotiveforce (EMF). EMF is induced due to flux of the net magnetic field from coherent nuclear spins with intrinsic magnetic dipole moments. READ MORE

  3. 2. Simulating Distributed Executions in Kompact

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Johan Mallo Bakken; [2022]
    Keywords : Simulation; Testing; Distributed Systems; Kompact; Liveness; Raft; Simulering; Testning; Distribuerade System; Kompact; Liveness; Raft;

    Abstract : Distributed systems are complex systems that offer highly scalable and reliable services. With that complexity comes the difficulty of developing and testing such systems as they are highly non-deterministic. READ MORE

  4. 3. Graph Neural Networks and Learned Approximate Message Passing Algorithms for Massive MIMO Detection

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Andrea Scotti; [2020]
    Keywords : ;

    Abstract : Massive multiple-input and multiple-output (MIMO) is a method to improvethe performance of wireless communication systems by having a large numberof antennas at both the transmitter and the receiver. In the fifth-generation(5G) mobile communication system, Massive MIMO is a key technology toface the increasing number of mobile users and satisfy user demands. READ MORE

  5. 4. Distributed Consensus: Performance Comparison of Paxos and Raft

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Harald Ng; [2020]
    Keywords : Paxos; Multi-Paxos; Leader-based Sequence Paxos; Raft; Distributed Systems; Consensus; Replicated State Machine; Paxos; Multi-Paxos; Leader-based Sequence Paxos; Raft; Distribuearade System; Konsensus; Replikerad Tillståndsmaskin;

    Abstract : With the growth of the internet, distributed systems have become increasingly important in order to provide more available and scalable applications. Con- sensus is a fundamental problem in distributed systems where multiple pro- cesses have to agree on the same proposed value in the presence of partial failures. READ MORE

  6. 5. Approximate Inference Low-Complexity MIMO Detection

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Joao Torres; [2019]
    Keywords : ;

    Abstract : In the telecommunications field, the correct detection of a certain signal is of most interest as it improves the robustness of the system. With multiple-input multiple-output (MIMO) antenna systems a new problem arises, the increase in complexity of the detection algorithms with the number of antennas. READ MORE