Search Results for author: Saul Calderon-Ramirez

Found 10 papers, 4 papers with code

A Novel Dataset for Financial Education Text Simplification in Spanish

no code implementations15 Dec 2023 Nelson Perez-Rojas, Saul Calderon-Ramirez, Martin Solis-Salazar, Mario Romero-Sandoval, Monica Arias-Monge, Horacio Saggion

Text simplification, crucial in natural language processing, aims to make texts more comprehensible, particularly for specific groups like visually impaired Spanish speakers, a less-represented language in this field.

Data Augmentation Sentence +1

Improving Semi-supervised Deep Learning by using Automatic Thresholding to Deal with Out of Distribution Data for COVID-19 Detection using Chest X-ray Images

no code implementations3 Nov 2022 Isaac Benavides-Mata, Saul Calderon-Ramirez

Frequently, the unlabeled data is more widely available than the labeled data, hence this data is used to improve the level of generalization of a model when the labeled data is scarce.

Semi-supervised Deep Learning for Image Classification with Distribution Mismatch: A Survey

no code implementations1 Mar 2022 Saul Calderon-Ramirez, Shengxiang Yang, David Elizondo

In a semi-supervised setting, unlabelled data is used to improve the levels of accuracy and generalization of a model with small labelled datasets.

Autonomous Driving Image Classification

A Real Use Case of Semi-Supervised Learning for Mammogram Classification in a Local Clinic of Costa Rica

no code implementations24 Jul 2021 Saul Calderon-Ramirez, Diego Murillo-Hernandez, Kevin Rojas-Salazar, David Elizondo, Shengxiang Yang, Miguel Molina-Cabello

The use of two popular and publicly available datasets (INbreast and CBIS-DDSM) as source data, to train and test the models on the novel target dataset, is evaluated.

Transfer Learning

Correcting Data Imbalance for Semi-Supervised Covid-19 Detection Using X-ray Chest Images

no code implementations19 Aug 2020 Saul Calderon-Ramirez, Shengxiang-Yang, Armaghan Moemeni, David Elizondo, Simon Colreavy-Donnelly, Luis Fernando Chavarria-Estrada, Miguel A. Molina-Cabello

In this work we evaluate the performance of the semi-supervised deep learning architecture known as MixMatch using a very limited number of labelled observations and highly imbalanced labelled dataset.

Image Classification Pseudo Label

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