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June 22, 2020 to July 2, 2020
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Reconstructing 3D space points from LArTPC images using a Deep Convolutional Neural Network

Not scheduled
10m

Speaker

Ralitsa Sharankova

Description

MicroBooNE is a short baseline neutrino experiment at Fermilab aimed at measuring neutrino-argon cross-sections and probing for sterile neutrinos. The detector is a 85t Liquid Argon Time Projection Chamber (LArTPC) with three readout planes, each of which records charge depositions as 2D images of channel position versus time. In this poster, we present a new deep learning method for reconstructing the 3D positions of charge depositions based on finding spatial correspondence between the three TPC readout plane images. Our method takes advantage of the sparsity of LArTPC by using a sparse convolutional neural network to extract features from the 2D images. Those are used to infer 3D position from geometrically allowed 2D charge triplets. We discuss the performance of this novel approach, which is the first fully Deep Learning method for 3D space-point reconstruction in LArTPC data.

Mini-abstract

New approach to reconstructing 3D points from 2D LArTPC images using a convolutional neural network

Experiment/Collaboration MicroBooNE

Primary author

Presentation Materials