Search Results for author: Horacio Franco

Found 6 papers, 0 papers with code

Investigation and Analysis of Hyper and Hypo neuron pruning to selectively update neurons during Unsupervised Adaptation

no code implementations6 Jan 2020 Vikramjit Mitra, Horacio Franco

This work investigates if pruning approaches are successful in detecting neurons that are either high-salient (mostly active or hyper) or low-salient (barely active or hypo), and whether removal of such neurons can help to improve the model's generalization capacity.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

Articulatory and bottleneck features for speaker-independent ASR of dysarthric speech

no code implementations16 May 2019 Emre Yilmaz, Vikramjit Mitra, Ganesh Sivaraman, Horacio Franco

The rapid population aging has stimulated the development of assistive devices that provide personalized medical support to the needies suffering from various etiologies.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

Articulatory Features for ASR of Pathological Speech

no code implementations28 Jul 2018 Emre Yilmaz, Vikramjit Mitra, Chris Bartels, Horacio Franco

In this work, we investigate the joint use of articulatory and acoustic features for automatic speech recognition (ASR) of pathological speech.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

Articulatory information and Multiview Features for Large Vocabulary Continuous Speech Recognition

no code implementations16 Feb 2018 Vikramjit Mitra, Wen Wang, Chris Bartels, Horacio Franco, Dimitra Vergyri

This paper explores the use of multi-view features and their discriminative transforms in a convolutional deep neural network (CNN) architecture for a continuous large vocabulary speech recognition task.

speech-recognition Speech Recognition

Interpreting DNN output layer activations: A strategy to cope with unseen data in speech recognition

no code implementations16 Feb 2018 Vikramjit Mitra, Horacio Franco

This work proposes a strategy to assess a model's performance by analyzing the output layer activations by using a distance measure between the most likely target and the next most likely target, which is used for data selection for performing unsupervised adaptation.

speech-recognition Speech Recognition

Leveraging Deep Neural Network Activation Entropy to cope with Unseen Data in Speech Recognition

no code implementations31 Aug 2017 Vikramjit Mitra, Horacio Franco

This work aims to estimate the propagation of such distortion in the form of network activation entropy, which is measured over a short- time running window on the activation from each neuron of a given hidden layer, and these measurements are then used to compute summary entropy.

BIG-bench Machine Learning speech-recognition +1

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