Search Results for author: Javier Ruiz-Hidalgo

Found 10 papers, 2 papers with code

PSyCo: Manifold Span Reduction for Super Resolution

no code implementations CVPR 2016 Eduardo Perez-Pellitero, Jordi Salvador, Javier Ruiz-Hidalgo, Bodo Rosenhahn

The main challenge in Super Resolution (SR) is to discover the mapping between the low- and high-resolution manifolds of image patches, a complex ill-posed problem which has recently been addressed through piecewise linear regression with promising results.

regression Super-Resolution

Hybrid Cosine Based Convolutional Neural Networks

no code implementations3 Apr 2019 Adrià Ciurana, Albert Mosella-Montoro, Javier Ruiz-Hidalgo

Convolutional neural networks (CNNs) have demonstrated their capability to solve different kind of problems in a very huge number of applications.

General Classification

FuCiTNet: Improving the generalization of deep learning networks by the fusion of learned class-inherent transformations

1 code implementation17 May 2020 Manuel Rey-Area, Emilio Guirado, Siham Tabik, Javier Ruiz-Hidalgo

It is widely known that very small datasets produce overfitting in Deep Neural Networks (DNNs), i. e., the network becomes highly biased to the data it has been trained on.

Data Augmentation General Classification +1

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

1 code implementation27 Jul 2021 David Bonet, Antonio Ortega, Javier Ruiz-Hidalgo, Sarath Shekkizhar

Motivated by our observations, we use CW-DeepNNK to propose a novel early stopping criterion that (i) does not require a validation set, (ii) is based on a task performance metric, and (iii) allows stopping to be reached at different points for each channel.

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

no code implementations18 Oct 2021 David Bonet, Antonio Ortega, Javier Ruiz-Hidalgo, Sarath Shekkizhar

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

SkinningNet: Two-Stream Graph Convolutional Neural Network for Skinning Prediction of Synthetic Characters

no code implementations CVPR 2022 Albert Mosella-Montoro, Javier Ruiz-Hidalgo

Whereas previous methods pre-compute handcrafted features that relate the mesh and the skeleton or assume a fixed topology of the skeleton, the proposed method extracts this information in an end-to-end learnable fashion by jointly learning the best relationship between mesh vertices and skeleton joints.

Learning task-specific features for 3D pointcloud graph creation

no code implementations2 Sep 2022 Elías Abad-Rocamora, Javier Ruiz-Hidalgo

Processing 3D pointclouds with Deep Learning methods is not an easy task.

Study of Manifold Geometry using Multiscale Non-Negative Kernel Graphs

no code implementations31 Oct 2022 Carlos Hurtado, Sarath Shekkizhar, Javier Ruiz-Hidalgo, Antonio Ortega

Modern machine learning systems are increasingly trained on large amounts of data embedded in high-dimensional spaces.

graph construction regression

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