Search Results for author: Hugo Jair Escalante

Found 34 papers, 3 papers with code

Self-Contextualized Attention for Abusive Language Identification

no code implementations NAACL (SocialNLP) 2021 Horacio Jarquín-Vásquez, Hugo Jair Escalante, Manuel Montes

The use of attention mechanisms in deep learning approaches has become popular in natural language processing due to its outstanding performance.

Abusive Language Language Identification

Unified Physical-Digital Attack Detection Challenge

no code implementations9 Apr 2024 Haocheng Yuan, Ajian Liu, Junze Zheng, Jun Wan, Jiankang Deng, Sergio Escalera, Hugo Jair Escalante, Isabelle Guyon, Zhen Lei

Based on this dataset, we organized a Unified Physical-Digital Face Attack Detection Challenge to boost the research in Unified Attack Detections.

Face Anti-Spoofing Face Recognition

Analysis of Systems' Performance in Natural Language Processing Competitions

no code implementations7 Mar 2024 Sergio Nava-Muñoz, Mario Graff, Hugo Jair Escalante

Collaborative competitions have gained popularity in the scientific and technological fields.

Academic competitions

no code implementations1 Dec 2023 Hugo Jair Escalante, Aleksandra Kruchinina

Academic challenges comprise effective means for (i) advancing the state of the art, (ii) putting in the spotlight of a scientific community specific topics and problems, as well as (iii) closing the gap for under represented communities in terms of accessing and participating in the shaping of research fields.

TurboGP: A flexible and advanced python based GP library

no code implementations31 Aug 2023 Lino Rodriguez-Coayahuitl, Alicia Morales-Reyes, Hugo Jair Escalante

We introduce TurboGP, a Genetic Programming (GP) library fully written in Python and specifically designed for machine learning tasks.

Continuous Cartesian Genetic Programming based representation for Multi-Objective Neural Architecture Search

no code implementations5 Jun 2023 Cosijopii Garcia-Garcia, Alicia Morales-Reyes, Hugo Jair Escalante

Our approach combines real-based and block-chained CNNs representations based on CGP for optimization in the continuous domain using multi-objective evolutionary algorithms (MOEAs).

Evolutionary Algorithms Neural Architecture Search

Comparison of classifiers in challenge scheme

no code implementations16 May 2023 Sergio Nava-Muñoz, Mario Graff Guerrero, Hugo Jair Escalante

For the challenges settings, it is vital to establish the scientific question, the dataset (with adequate quality, quantity, diversity, and complexity), performance metrics, as well as a way to authenticate the participants' results (Gold Standard).

Decision Making

Surveillance Face Presentation Attack Detection Challenge

no code implementations15 Apr 2023 Hao Fang, Ajian Liu, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Zhen Lei

Based on this dataset and protocol-$3$ for evaluating the robustness of the algorithm under quality changes, we organized a face presentation attack detection challenge in surveillance scenarios.

Face Anti-Spoofing Face Presentation Attack Detection +1

Wild Face Anti-Spoofing Challenge 2023: Benchmark and Results

1 code implementation12 Apr 2023 Dong Wang, Jia Guo, Qiqi Shao, Haochi He, Zhian Chen, Chuanbao Xiao, Ajian Liu, Sergio Escalera, Hugo Jair Escalante, Zhen Lei, Jun Wan, Jiankang Deng

Leveraging the WFAS dataset and Protocol 1 (Known-Type), we host the Wild Face Anti-Spoofing Challenge at the CVPR2023 workshop.

Face Anti-Spoofing Face Recognition

Multi-Branch Deep Radial Basis Function Networks for Facial Emotion Recognition

no code implementations7 Sep 2021 Fernanda Hernández-Luquin, Hugo Jair Escalante

Initial efforts on ER relied on handcrafted features that were used to characterize facial images and then feed to standard predictive models.

Face Model Facial Emotion Recognition

ChaLearn Looking at People: Inpainting and Denoising challenges

no code implementations24 Jun 2021 Sergio Escalera, Marti Soler, Stephane Ayache, Umut Guclu, Jun Wan, Meysam Madadi, Xavier Baro, Hugo Jair Escalante, Isabelle Guyon

Dealing with incomplete information is a well studied problem in the context of machine learning and computational intelligence.

Denoising Pose Estimation

Automated Machine Learning -- a brief review at the end of the early years

no code implementations19 Aug 2020 Hugo Jair Escalante

Automated machine learning (AutoML) is the sub-field of machine learning that aims at automating, to some extend, all stages of the design of a machine learning system.

AutoML BIG-bench Machine Learning

Cross-ethnicity Face Anti-spoofing Recognition Challenge: A Review

no code implementations23 Apr 2020 Ajian Liu, Xuan Li, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Meysam Madadi, Yi Jin, Zhuoyuan Wu, Xiaogang Yu, Zichang Tan, Qi Yuan, Ruikun Yang, Benjia Zhou, Guodong Guo, Stan Z. Li

Although ethnic bias has been verified to severely affect the performance of face recognition systems, it still remains an open research problem in face anti-spoofing.

Face Anti-Spoofing Face Recognition

CASIA-SURF: A Large-scale Multi-modal Benchmark for Face Anti-spoofing

no code implementations28 Aug 2019 Shifeng Zhang, Ajian Liu, Jun Wan, Yanyan Liang, Guogong Guo, Sergio Escalera, Hugo Jair Escalante, Stan Z. Li

To facilitate face anti-spoofing research, we introduce a large-scale multi-modal dataset, namely CASIA-SURF, which is the largest publicly available dataset for face anti-spoofing in terms of both subjects and modalities.

Face Anti-Spoofing Face Recognition

Meta-learning of textual representations

1 code implementation21 Jun 2019 Jorge Madrid, Hugo Jair Escalante, Eduardo Morales

Recent progress in AutoML has lead to state-of-the-art methods (e. g., AutoSKLearn) that can be readily used by non-experts to approach any supervised learning problem.

AutoML Meta-Learning +2

AutoML @ NeurIPS 2018 challenge: Design and Results

no code implementations12 Mar 2019 Hugo Jair Escalante, Wei-Wei Tu, Isabelle Guyon, Daniel L. Silver, Evelyne Viegas, Yuqiang Chen, Wenyuan Dai, Qiang Yang

We organized a competition on Autonomous Lifelong Machine Learning with Drift that was part of the competition program of NeurIPS 2018.

AutoML BIG-bench Machine Learning

A visual approach for age and gender identification on Twitter

no code implementations28 May 2018 Miguel A. Alvarez-Carmona, Luis Pellegrin, Manuel Montes-y-Gómez, Fernando Sánchez-Vega, Hugo Jair Escalante, A. Pastor López-Monroy, Luis Villaseñor-Pineda, Esaú Villatoro-Tello

The goal of Author Profiling (AP) is to identify demographic aspects (e. g., age, gender) from a given set of authors by analyzing their written texts.

Marketing

Fractal dimension analysis for automatic morphological galaxy classification

no code implementations22 Jun 2017 Jorge de la Calleja, Elsa M. de la Calleja, Hugo Jair Escalante

In this report we present experimental results using \emph{Haussdorf-Besicovich} fractal dimension for performing morphological galaxy classification.

Classification General Classification

ChaLearn Looking at People: A Review of Events and Resources

no code implementations10 Jan 2017 Sergio Escalera, Xavier Baró, Hugo Jair Escalante, Isabelle Guyon

This paper reviews associated events, and introduces the ChaLearn LAP platform where public resources (including code, data and preprints of papers) related to the organized events are available.

Gesture Recognition

Early text classification: a Naive solution

no code implementations20 Sep 2015 Hugo Jair Escalante, Manuel Montes-y-Gómez, Luis Villaseñor-Pineda, Marcelo Luis Errecalde

A document is processed as a sequence of terms, and the goal is to devise a method that can make predictions as fast as possible.

General Classification text-classification +1

Term-Weighting Learning via Genetic Programming for Text Classification

no code implementations2 Oct 2014 Hugo Jair Escalante, Mauricio A. García-Limón, Alicia Morales-Reyes, Mario Graff, Manuel Montes-y-Gómez, Eduardo F. Morales

We propose in this article a genetic program that aims at learning effective TWSs that can improve the performance of current schemes in text classification.

General Classification Image Classification +2

Principal motion components for gesture recognition using a single-example

no code implementations17 Oct 2013 Hugo Jair Escalante, Isabelle Guyon, Vassilis Athitsos, Pat Jangyodsuk, Jun Wan

In the considered scenario a single training-video is available for each gesture to be recognized, which limits the application of traditional techniques (e. g., HMMs).

Gesture Recognition

An estimation of distribution algorithm with adaptive Gibbs sampling for unconstrained global optimization

no code implementations11 Jul 2011 Jonás Velasco, Mario A. Saucedo-Espinosa, Hugo Jair Escalante, Karlo Mendoza, César Emilio Villarreal-Rodríguez, Óscar L. Chacón-Mondragón, Adrián Rodríguez, Arturo Berrones

The main framework of the proposed method is an estimation of distribution algorithm, in which an adaptive Gibbs sampling is used to generate new promising solutions and, in combination with a local search strategy, it improves the individual solutions produced in each iteration.

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