Browsing by Author "Ba, Demba Elimane"

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Algorithms and inference for simultaneous-event multivariate point-process, with applications to neural data

Ba, Demba Elimane (Massachusetts Institute of Technology, 2011)

The formulation of multivariate point-process (MPP) models based on the Jacod likelihood does not allow for simultaneous occurrence of events at an arbitrarily small time resolution. In this thesis, we introduce two versatile ...
Nonlinear transform coding with lossless polar coordinates

Ba, Demba Elimane (Massachusetts Institute of Technology, 2006)

In conventional transform coding, the importance of preserving desirable quantization partition cell shapes prevents one from considering the use of a nonlinear change of variables. If no linear transformation of a given ...