activity
20182022
most citedLaplacian Networks: Bounding Indicator Function Smoothness for Neural Network Robustness

7 citations · 20 across the 11 of their papers we have counts for

collaborators

12 papers

cs.LG2022

Study of Manifold Geometry using Multiscale Non-Negative Kernel Graphs

Carlos Hurtado, Sarath Shekkizhar, Javier Ruiz-Hidalgo +1

Modern machine learning systems are increasingly trained on large amounts of data embedded in high-dimensional spaces. Often this is done without analyzing the structure of the dat…

cs.LG2022★ 4 cited

The Geometry of Self-supervised Learning Models and its Impact on Transfer Learning

Romain Cosentino, Sarath Shekkizhar, Mahdi Soltanolkotabi +2

Self-supervised learning (SSL) has emerged as a desirable paradigm in computer vision due to the inability of supervised models to learn representations that can generalize in doma…

cs.LG2022★ 3 cited

Toward a Geometrical Understanding of Self-supervised Contrastive Learning

Romain Cosentino, Anirvan Sengupta, Salman Avestimehr +4

Self-supervised learning (SSL) is currently one of the premier techniques to create data representations that are actionable for transfer learning in the absence of human annotatio…

cs.LG2021

Channel redundancy and overlap in convolutional neural networks with channel-wise NNK graphs

David Bonet, Antonio Ortega, Javier Ruiz-Hidalgo +1

Feature spaces in the deep layers of convolutional neural networks (CNNs) are often very high-dimensional and difficult to interpret. However, convolutional layers consist of multi…

cs.LG2021

NNK-Means: Data summarization using dictionary learning with non-negative kernel regression

Sarath Shekkizhar, Antonio Ortega

An increasing number of systems are being designed by gathering significant amounts of data and then optimizing the system parameters directly using the obtained data. Often this i…

cs.LG2021★ 4 cited

Channel-Wise Early Stopping without a Validation Set via NNK Polytope Interpolation

David Bonet, Antonio Ortega, Javier Ruiz-Hidalgo +1

State-of-the-art neural network architectures continue to scale in size and deliver impressive generalization results, although this comes at the expense of limited interpretabilit…

cs.LG2020

Representing Deep Neural Networks Latent Space Geometries with Graphs

Carlos Lassance, Vincent Gripon, Antonio Ortega

Deep Learning (DL) has attracted a lot of attention for its ability to reach state-of-the-art performance in many machine learning tasks. The core principle of DL methods consists…

cs.LG2019

Deep geometric knowledge distillation with graphs

Carlos Lassance, Myriam Bontonou, Ghouthi Boukli Hacene +3

In most cases deep learning architectures are trained disregarding the amount of operations and energy consumption. However, some applications, like embedded systems, can be resour…

cs.LG2019

Neighborhood and Graph Constructions using Non-Negative Kernel Regression

Sarath Shekkizhar, Antonio Ortega

Data-driven neighborhood definitions and graph constructions are often used in machine learning and signal processing applications. k-nearest neighbor~(kNN) and -neighborhood me…

cs.LG2019★ 2 cited

Structural Robustness for Deep Learning Architectures

Carlos Lassance, Vincent Gripon, Jian Tang +1

Deep Networks have been shown to provide state-of-the-art performance in many machine learning challenges. Unfortunately, they are susceptible to various types of noise, including…

cs.LG2019

Introducing Graph Smoothness Loss for Training Deep Learning Architectures

Myriam Bontonou, Carlos Lassance, Ghouthi Boukli Hacene +3

We introduce a novel loss function for training deep learning architectures to perform classification. It consists in minimizing the smoothness of label signals on similarity graph…

cs.LG2018★ 7 cited

Laplacian Networks: Bounding Indicator Function Smoothness for Neural Network Robustness

Carlos Eduardo Rosar Kos Lassance, Vincent Gripon, Antonio Ortega

For the past few years, Deep Neural Network (DNN) robustness has become a question of paramount importance. As a matter of fact, in sensitive settings misclassification can lead to…