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Abstract #2609

Developing new metrics for comparison of diffusion propagators

Luis Miguel Lacerda 1 , Jonathan I. Sperl 2 , Gareth Barker 1 , and Flavio Dell'Acqua 1

1 Centre for Neuroimaging Sciences, Institute of Psychiatry, King's College London, London, Denmark Hill, United Kingdom, 2 GE Global Research, Munich, BY, Germany

Several techniques have been used to explore the information contained in the diffusion propagator. A standard methodology to evaluate such techniques (and the influence of factors such as acceleration methods) is to compare the reconstructed orientation distribution functions against a predefined "gold standard". Nonetheless additional measures may retrieve more information from the diffusion propagator. In this work we present preliminary results that may allow a more robust analysis and comparison of diffusion data and acceleration methods. Specific indices were extracted and appear to be helpful in the characterization of the diffusion propagator and in the comparison of different reconstruction methods

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