Search Results for author: Marius Pachitariu

Found 6 papers, 1 papers with code

Fast and accurate spike sorting of high-channel count probes with KiloSort

1 code implementation NeurIPS 2016 Marius Pachitariu, Nicholas A. Steinmetz, Shabnam N. Kadir, Matteo Carandini, Kenneth D. Harris

Unlike previous algorithms that compress the data with PCA, KiloSort operates on the raw data which allows it to construct a more accurate model of the waveforms.

Clustering Spike Sorting +1

Extracting regions of interest from biological images with convolutional sparse block coding

no code implementations NeurIPS 2013 Marius Pachitariu, Adam M. Packer, Noah Pettit, Henry Dalgleish, Michael Hausser, Maneesh Sahani

We perform extensive experiments on simulated images and the inference algorithm consistently recovers a large proportion of the cells with a small number of false positives.

Recurrent linear models of simultaneously-recorded neural populations

no code implementations NeurIPS 2013 Marius Pachitariu, Biljana Petreska, Maneesh Sahani

We show that RLMs describe motor-cortical population data better than either directly-coupled generalised-linear models or latent linear dynamical system models with generalised-linear observations.

Regularization and nonlinearities for neural language models: when are they needed?

no code implementations23 Jan 2013 Marius Pachitariu, Maneesh Sahani

We develop a slightly modified IRLM that separates long-context units (LCUs) from short-context units and show that the LCUs alone achieve a state-of-the-art performance on the MRSC task of 60. 8%.

Sentence Sentence Completion

Learning visual motion in recurrent neural networks

no code implementations NeurIPS 2012 Marius Pachitariu, Maneesh Sahani

We present a dynamic nonlinear generative model for visual motion based on a latent representation of binary-gated Gaussian variables.

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